From 35136e53c90b46852d9814fc30ea67d18c9c388c Mon Sep 17 00:00:00 2001
From: McDamon <andrew.p.mcmahon@gmail.com>
Date: Wed, 22 May 2013 15:00:26 +0100
Subject: [PATCH 1/3] #74 : dust plugin: upgrade to play 2.1, move to LinkedIn
 Dust.js fork, and allow for native compiler

---
 dust/README.md                                |   35 +-
 dust/build.sbt                                |   12 +-
 dust/project/build.properties                 |    2 +-
 dust/project/plugins.sbt                      |    1 +
 dust/sample/app/controllers/Application.java  |   25 -
 dust/sample/app/controllers/Application.scala |   21 +
 dust/sample/app/views/index.scala.html        |    4 +-
 dust/sample/build.sbt                         |    2 +
 dust/sample/conf/application.conf             |    6 -
 dust/sample/project/Build.scala               |   16 +-
 dust/sample/project/build.properties          |    2 +-
 dust/sample/project/plugins.sbt               |    3 +-
 .../public/javascripts/dust-core-0.3.0.min.js |   21 -
 .../public/javascripts/dust-core-0.6.0.min.js |   24 -
 .../public/javascripts/dust-core-1.2.3.min.js |    1 +
 .../public/javascripts/jquery-1.7.1.min.js    |    4 -
 .../public/javascripts/jquery-1.9.1.min.js    |    5 +
 .../main/resources/dust-core-1.2.3.js}        |  307 +-
 ...{dust-full-0.6.0.js => dust-full-1.2.3.js} | 1008 +++---
 .../src/main/resources/dust-full-mod-0.3.0.js | 3209 -----------------
 .../scala/com/typesafe/plugin/DustKeys.scala  |    2 +
 .../com/typesafe/plugin/DustPlugin.scala      |   17 +-
 .../scala/com/typesafe/plugin/DustTasks.scala |   93 +-
 dust/src/test/resources/test.tl               |    1 +
 .../com/typesafe/plugin/DustTasksSpec.scala   |   41 +
 .../com/typesafe/plugin/DustTasksTest.scala   |   17 -
 26 files changed, 840 insertions(+), 4039 deletions(-)
 create mode 100644 dust/project/plugins.sbt
 delete mode 100644 dust/sample/app/controllers/Application.java
 create mode 100644 dust/sample/app/controllers/Application.scala
 delete mode 100644 dust/sample/public/javascripts/dust-core-0.3.0.min.js
 delete mode 100644 dust/sample/public/javascripts/dust-core-0.6.0.min.js
 create mode 100644 dust/sample/public/javascripts/dust-core-1.2.3.min.js
 delete mode 100644 dust/sample/public/javascripts/jquery-1.7.1.min.js
 create mode 100644 dust/sample/public/javascripts/jquery-1.9.1.min.js
 rename dust/{sample/public/javascripts/dust-core-0.6.0.js => src/main/resources/dust-core-1.2.3.js} (66%)
 rename dust/src/main/resources/{dust-full-0.6.0.js => dust-full-1.2.3.js} (86%)
 delete mode 100644 dust/src/main/resources/dust-full-mod-0.3.0.js
 create mode 100644 dust/src/test/resources/test.tl
 create mode 100644 dust/src/test/scala/com/typesafe/plugin/DustTasksSpec.scala
 delete mode 100644 dust/src/test/scala/com/typesafe/plugin/DustTasksTest.scala

diff --git a/dust/README.md b/dust/README.md
index e78c89c..49c3dd4 100644
--- a/dust/README.md
+++ b/dust/README.md
@@ -1,27 +1,21 @@
 # Dust Plugin
 
-This plugin provides build time compilation for [Dust](https://github.com/akdubya/dustjs) templates.
-
-
+This plugin provides build time compilation for the LinkedIn fork of [Dust](https://github.com/linkedin/dustjs) templates.
 
 # How to install
 
 * add 
 
-play 2.0.2:
-
-```addSbtPlugin("com.typesafe" % "play-plugins-dust" % "1.4")```
+play 2.1:
 
-play 2.0.1:
-
-```addSbtPlugin("com.typesafe" % "play-plugins-dust" % "1.0-SNAPSHOT")``` 
+```addSbtPlugin("com.typesafe" % "play-plugins-dust" % "1.5")```
 
 to your plugin.sbt
 
 # How to Use
 
-* Include dust. Note that this is not provided by the sbt plugin. It can be found here: [dust-core-0.6.0.min.js](https://raw.github.com/typesafehub/play-plugins/master/dust/sample/public/javascripts/dust-core-0.6.0.min.js) 
-```<script src="@routes.Assets.at("javascripts/dust-core-0.6.0.min.js")"></script>
+* Include dust. Note that this is not provided by the sbt plugin. It can be found here: [dust-core-1.2.3.min.js](https://raw.github.com/typesafehub/play-plugins/master/dust/sample/public/javascripts/dust-core-1.2.3.min.js) 
+```<script src="@routes.Assets.at("javascripts/dust-core-1.2.3.min.js")"></script>
 ```
 
 * Put your dust template .tl files under the ```app/assets``` directory
@@ -41,10 +35,27 @@ to your plugin.sbt
   });
 ```
 
+# Settings
+
+## dustOutputRelativePath
+
+Specify path relative to public assets folder to place compiled javascript templates.
+
+Example:
+
+    DustPlugin.dustOutputRelativePath := "javascripts/templates/"
+
+## dustNativePath
+
+Elect to use a native Dust.js compiler (via Node) if installed.
+
+Example:
+
+    DustPlugin.dustNativePath := Some("/usr/local/shared/npm/bin/dustc")
 
 # Sample
 
-For an example, see the bundled sample app
+For an example, see the bundled sample app.
 
 ## Licence
 
diff --git a/dust/build.sbt b/dust/build.sbt
index d5cd918..bb1a890 100644
--- a/dust/build.sbt
+++ b/dust/build.sbt
@@ -4,19 +4,17 @@ sbtPlugin := true
 
 name := "play-plugins-dust"
 
-version := "1.4.1-09122012"
+version := "1.5"
 
 organization := "com.typesafe"
 
 resolvers += "Typesafe repository" at "http://repo.typesafe.com/typesafe/releases/"
 
-libraryDependencies <++= (scalaVersion) { 
-	case (scalaVersion) => Seq(
-		sbtPluginExtra("play" % "sbt-plugin" % "2.1-09092012" % "provided", "0.12", scalaVersion)
-	)
-}
+scalacOptions ++= Seq("-deprecation")
+
+addSbtPlugin("play" % "sbt-plugin" % "2.1.1")
 
-libraryDependencies += "commons-io" % "commons-io" % "2.2"
+libraryDependencies += "commons-io" % "commons-io" % "2.4"
 
 libraryDependencies += "org.specs2" %% "specs2" % "1.12.3" % "test"
 
diff --git a/dust/project/build.properties b/dust/project/build.properties
index a8c2f84..9b860e2 100755
--- a/dust/project/build.properties
+++ b/dust/project/build.properties
@@ -1 +1 @@
-sbt.version=0.12.0
+sbt.version=0.12.3
diff --git a/dust/project/plugins.sbt b/dust/project/plugins.sbt
new file mode 100644
index 0000000..f0a2e04
--- /dev/null
+++ b/dust/project/plugins.sbt
@@ -0,0 +1 @@
+addSbtPlugin("com.typesafe.sbteclipse" % "sbteclipse-plugin" % "2.2.0")
diff --git a/dust/sample/app/controllers/Application.java b/dust/sample/app/controllers/Application.java
deleted file mode 100644
index b510bc0..0000000
--- a/dust/sample/app/controllers/Application.java
+++ /dev/null
@@ -1,25 +0,0 @@
-package controllers;
-
-import org.codehaus.jackson.node.ObjectNode;
-
-import play.*;
-import play.mvc.*;
-import play.libs.*;
-import views.html.*;
-
-public class Application extends Controller {
-
-	public static Result frame() {
-		return ok(index.render());
-	}
-
-	public static Result data() {
-		ObjectNode json = Json.newObject();
-
-		json.put("name", "Json");
-		json.put("count", 1);
-
-		return ok(json);
-	}
-
-}
\ No newline at end of file
diff --git a/dust/sample/app/controllers/Application.scala b/dust/sample/app/controllers/Application.scala
new file mode 100644
index 0000000..7580d7e
--- /dev/null
+++ b/dust/sample/app/controllers/Application.scala
@@ -0,0 +1,21 @@
+package controllers;
+
+import play.api.mvc._
+import play.api.libs.json._
+
+import views.html._
+
+object Application extends Controller {
+  def frame = Action {
+    Ok(index.render());
+  }
+
+  def data() = Action {
+	val json = Json.obj(
+	  "name" -> "Json",
+	  "count" -> 1
+	)
+
+	Ok(json);
+  }
+}
\ No newline at end of file
diff --git a/dust/sample/app/views/index.scala.html b/dust/sample/app/views/index.scala.html
index a1672f8..3264d8a 100644
--- a/dust/sample/app/views/index.scala.html
+++ b/dust/sample/app/views/index.scala.html
@@ -6,8 +6,8 @@
 <html>
     <head>
         <title>Test</title>
-        <script src="@routes.Assets.at("javascripts/jquery-1.7.1.min.js")"></script>
-        <script src="@routes.Assets.at("javascripts/dust-core-0.6.0.min.js")"></script>
+        <script src="@routes.Assets.at("javascripts/jquery-1.9.1.min.js")"></script>
+        <script src="@routes.Assets.at("javascripts/dust-core-1.2.3.min.js")"></script>
         <script src="@routes.Assets.at("example.js")"></script>
         <script>
   $(function() {
diff --git a/dust/sample/build.sbt b/dust/sample/build.sbt
index 475475a..f11fa78 100644
--- a/dust/sample/build.sbt
+++ b/dust/sample/build.sbt
@@ -1 +1,3 @@
+com.typesafe.plugin.DustPlugin.defaultSettings
+
 name := "dust-sample"
diff --git a/dust/sample/conf/application.conf b/dust/sample/conf/application.conf
index 22b9d7c..1cf0242 100644
--- a/dust/sample/conf/application.conf
+++ b/dust/sample/conf/application.conf
@@ -54,9 +54,3 @@ logger.play=INFO
 
 # Logger provided to your application:
 logger.application=DEBUG
-
-# Static conf
-static.lib.root = "/Users/bguan/p/content/static/lib"
-static.js.root = "/Users/bguan/p/content/static/js"
-static.tl.root = "/Users/bguan/p/content/static/tl"
-app.root = ""
\ No newline at end of file
diff --git a/dust/sample/project/Build.scala b/dust/sample/project/Build.scala
index e07772a..b2c08cd 100644
--- a/dust/sample/project/Build.scala
+++ b/dust/sample/project/Build.scala
@@ -1,19 +1,13 @@
 import sbt._
 import Keys._
-import PlayProject._
+import play.Project._
 
 object ApplicationBuild extends Build {
-
     val appName         = "play-plugins-dust-sample"
-    val appVersion      = "1.0-SNAPSHOT"
-
-    val appDependencies = Seq(
-      // Add your project dependencies here,
-    )
-
-    val main = PlayProject(appName, appVersion, appDependencies, mainLang = JAVA).settings(
-      
-    )
+    val appVersion      = "1.5"
+ 
 
+    val appDependencies = Seq()
 
+    val main = play.Project(appName, appVersion, appDependencies).settings()
 }
diff --git a/dust/sample/project/build.properties b/dust/sample/project/build.properties
index d428711..9b860e2 100644
--- a/dust/sample/project/build.properties
+++ b/dust/sample/project/build.properties
@@ -1 +1 @@
-sbt.version=0.11.3
+sbt.version=0.12.3
diff --git a/dust/sample/project/plugins.sbt b/dust/sample/project/plugins.sbt
index e6b6e75..dd4eb77 100644
--- a/dust/sample/project/plugins.sbt
+++ b/dust/sample/project/plugins.sbt
@@ -8,6 +8,7 @@ resolvers += "Typesafe repository" at "http://repo.typesafe.com/typesafe/release
 resolvers += Resolver.url("Typesafe Ivy Snapshots Repository", url("http://repo.typesafe.com/typesafe/ivy-snapshots/"))(Resolver.ivyStylePatterns)
 
 // The Dust plugin
-addSbtPlugin("com.typesafe" % "play-plugins-dust" % "1.4.1")
+addSbtPlugin("com.typesafe" % "play-plugins-dust" % "1.5")
 
 // Use the Play sbt plugin for Play projects
+addSbtPlugin("play" % "sbt-plugin" % "2.1.1")
diff --git a/dust/sample/public/javascripts/dust-core-0.3.0.min.js b/dust/sample/public/javascripts/dust-core-0.3.0.min.js
deleted file mode 100644
index cab380b..0000000
--- a/dust/sample/public/javascripts/dust-core-0.3.0.min.js
+++ /dev/null
@@ -1,21 +0,0 @@
-//
-// Dust - Asynchronous Templating v0.3.0
-// http://akdubya.github.com/dustjs
-//
-// Copyright (c) 2010, Aleksander Williams
-// Released under the MIT License.
-//
-
-var dust={};
-(function(d){function h(a,b,c){this.stack=a;this.global=b;this.blocks=c}function k(a,b,c,e){this.tail=b;this.isObject=!d.isArray(a)&&a&&typeof a==="object";this.head=a;this.index=c;this.of=e}function l(a){this.head=new f(this);this.callback=a;this.out=""}function j(){this.head=new f(this)}function f(a,b,c){this.root=a;this.next=b;this.data="";this.flushable=false;this.taps=c}function m(a,b){this.head=a;this.tail=b}d.cache={};d.register=function(a,b){if(a)d.cache[a]=b};d.render=function(a,b,c){c=(new l(c)).head;
-d.load(a,c,h.wrap(b)).end()};d.stream=function(a,b){var c=new j;d.nextTick(function(){d.load(a,c.head,h.wrap(b)).end()});return c};d.renderSource=function(a,b,c){return d.compileFn(a)(b,c)};d.compileFn=function(a,b){var c=d.loadSource(d.compile(a,b));return function(e,g){var i=g?new l(g):new j;d.nextTick(function(){c(i.head,h.wrap(e)).end()});return i}};d.load=function(a,b,c){var e=d.cache[a];if(e)return e(b,c);else{if(d.onLoad)return b.map(function(g){d.onLoad(a,function(i,n){if(i)return g.setError(i);
-d.cache[a]||d.loadSource(d.compile(n,a));d.cache[a](g,c).end()})});return b.setError(Error("Template Not Found: "+a))}};d.loadSource=function(a){return eval(a)};d.isArray=Array.isArray?Array.isArray:function(a){return Object.prototype.toString.call(a)=="[object Array]"};d.nextTick=function(a){setTimeout(a,0)};d.isEmpty=function(a){if(d.isArray(a)&&!a.length)return true;if(a===0)return false;return!a};d.filter=function(a,b,c){if(c)for(var e=0,g=c.length;e<g;e++){var i=c[e];if(i==="s")b=null;else a=
-d.filters[i](a)}if(b)a=d.filters[b](a);return a};d.filters={h:function(a){return d.escapeHtml(a)},j:function(a){return d.escapeJs(a)},u:encodeURI,uc:encodeURIComponent};d.makeBase=function(a){return new h(new k,a)};h.wrap=function(a){if(a instanceof h)return a;return new h(new k(a))};h.prototype.get=function(a){for(var b=this.stack,c;b;){if(b.isObject){c=b.head[a];if(c!==undefined)return c}b=b.tail}return this.global?this.global[a]:undefined};h.prototype.getPath=function(a,b){var c=this.stack,e=b.length;
-if(a&&e===0)return c.head;if(c.isObject){c=c.head;for(var g=0;c&&g<e;){c=c[b[g]];g++}return c}};h.prototype.push=function(a,b,c){return new h(new k(a,this.stack,b,c),this.global,this.blocks)};h.prototype.rebase=function(a){return new h(new k(a),this.global,this.blocks)};h.prototype.current=function(){return this.stack.head};h.prototype.getBlock=function(a){var b=this.blocks;if(b)for(var c=b.length,e;c--;)if(e=b[c][a])return e};h.prototype.shiftBlocks=function(a){var b=this.blocks;if(a){newBlocks=
-b?b.concat([a]):[a];return new h(this.stack,this.global,newBlocks)}return this};l.prototype.flush=function(){for(var a=this.head;a;){if(a.flushable)this.out+=a.data;else{if(a.error){this.callback(a.error);this.flush=function(){}}return}this.head=a=a.next}this.callback(null,this.out)};j.prototype.flush=function(){for(var a=this.head;a;){if(a.flushable)this.emit("data",a.data);else{if(a.error){this.emit("error",a.error);this.flush=function(){}}return}this.head=a=a.next}this.emit("end")};j.prototype.emit=
-function(a,b){var c=this.events;c&&c[a]&&c[a](b)};j.prototype.on=function(a,b){if(!this.events)this.events={};this.events[a]=b;return this};f.prototype.write=function(a){var b=this.taps;if(b)a=b.go(a);this.data+=a;return this};f.prototype.end=function(a){a&&this.write(a);this.flushable=true;this.root.flush();return this};f.prototype.map=function(a){var b=new f(this.root,this.next,this.taps),c=new f(this.root,b,this.taps);this.next=c;this.flushable=true;a(c);return b};f.prototype.tap=function(a){var b=
-this.taps;this.taps=b?b.push(a):new m(a);return this};f.prototype.untap=function(){this.taps=this.taps.tail;return this};f.prototype.render=function(a,b){return a(this,b)};f.prototype.reference=function(a,b,c,e){if(typeof a==="function"){a=a(this,b,null,{auto:c,filters:e});if(a instanceof f)return a}return d.isEmpty(a)?this:this.write(d.filter(a,c,e))};f.prototype.section=function(a,b,c,e){if(typeof a==="function"){a=a(this,b,c,e);if(a instanceof f)return a}var g=c.block;c=c["else"];if(e)b=b.push(e);
-if(d.isArray(a)){if(g){e=a.length;c=this;for(var i=0;i<e;i++)c=g(c,b.push(a[i],i,e));return c}}else if(a===true){if(g)return g(this,b)}else if(a||a===0){if(g)return g(this,b.push(a))}else if(c)return c(this,b);return this};f.prototype.exists=function(a,b,c){var e=c.block;c=c["else"];if(d.isEmpty(a)){if(c)return c(this,b)}else if(e)return e(this,b);return this};f.prototype.notexists=function(a,b,c){var e=c.block;c=c["else"];if(d.isEmpty(a)){if(e)return e(this,b)}else if(c)return c(this,b);return this};
-f.prototype.block=function(a,b,c){c=c.block;if(a)c=a;if(c)return c(this,b);return this};f.prototype.partial=function(a,b){if(typeof a==="function")return this.capture(a,b,function(c,e){d.load(c,e,b).end()});return d.load(a,this,b)};f.prototype.helper=function(a,b,c,e){return d.helpers[a](this,b,c,e)};f.prototype.capture=function(a,b,c){return this.map(function(e){var g=new l(function(i,n){i?e.setError(i):c(n,e)});a(g.head,b).end()})};f.prototype.setError=function(a){this.error=a;this.root.flush();
-return this};d.helpers={sep:function(a,b,c){if(b.stack.index===b.stack.of-1)return a;return c.block(a,b)},idx:function(a,b,c){return c.block(a,b.push(b.stack.index))}};m.prototype.push=function(a){return new m(a,this)};m.prototype.go=function(a){for(var b=this;b;){a=b.head(a);b=b.tail}return a};var o=RegExp(/[&<>\"]/),p=/&/g,q=/</g,r=/>/g,s=/\"/g;d.escapeHtml=function(a){if(typeof a==="string"){if(!o.test(a))return a;return a.replace(p,"&amp;").replace(q,"&lt;").replace(r,"&gt;").replace(s,"&quot;")}return a};
-var t=/\\/g,u=/\r/g,v=/\u2028/g,w=/\u2029/g,x=/\n/g,y=/\f/g,z=/'/g,A=/"/g,B=/\t/g;d.escapeJs=function(a){if(typeof a==="string")return a.replace(t,"\\\\").replace(A,'\\"').replace(z,"\\'").replace(u,"\\r").replace(v,"\\u2028").replace(w,"\\u2029").replace(x,"\\n").replace(y,"\\f").replace(B,"\\t");return a}})(dust);if(typeof exports!=="undefined"){typeof process!=="undefined"&&require("./server")(dust);module.exports=dust};
diff --git a/dust/sample/public/javascripts/dust-core-0.6.0.min.js b/dust/sample/public/javascripts/dust-core-0.6.0.min.js
deleted file mode 100644
index f4d5c71..0000000
--- a/dust/sample/public/javascripts/dust-core-0.6.0.min.js
+++ /dev/null
@@ -1,24 +0,0 @@
-//
-// Dust - Asynchronous Templating v0.6.0
-// http://akdubya.github.com/dustjs
-//
-// Copyright (c) 2010, Aleksander Williams
-// Released under the MIT License.
-//
-var dust={};function getGlobal(){return function(){return this.dust}.call(null)}
-(function(f){function h(a,c,d){this.stack=a;this.global=c;this.blocks=d}function k(a,c,d,b){this.tail=c;this.isObject=!f.isArray(a)&&a&&"object"===typeof a;this.head=a;this.index=d;this.of=b}function l(a){this.head=new b(this);this.callback=a;this.out=""}function e(){this.head=new b(this)}function b(a,c,d){this.root=a;this.next=c;this.data="";this.flushable=!1;this.taps=d}function i(a,c){this.head=a;this.tail=c}f.cache={};f.register=function(a,c){a&&(f.cache[a]=c)};f.render=function(a,c,d){d=(new l(d)).head;
-f.load(a,d,h.wrap(c)).end()};f.stream=function(a,c){var d=new e;f.nextTick(function(){f.load(a,d.head,h.wrap(c)).end()});return d};f.renderSource=function(a,c,d){return f.compileFn(a)(c,d)};f.compileFn=function(a,c){var d=f.loadSource(f.compile(a,c));return function(a,c){var b=c?new l(c):new e;f.nextTick(function(){d(b.head,h.wrap(a)).end()});return b}};f.load=function(a,c,d){var b=f.cache[a];return b?b(c,d):f.onLoad?c.map(function(c){f.onLoad(a,function(b,e){if(b)return c.setError(b);f.cache[a]||
-f.loadSource(f.compile(e,a));f.cache[a](c,d).end()})}):c.setError(Error("Template Not Found: "+a))};f.loadSource=function(a){return eval(a)};f.isArray=Array.isArray?Array.isArray:function(a){return"[object Array]"==Object.prototype.toString.call(a)};f.nextTick=function(){return"undefined"!==typeof process?process.nextTick:function(a){setTimeout(a,0)}}();f.isEmpty=function(a){return f.isArray(a)&&!a.length?!0:0===a?!1:!a};f.filter=function(a,c,d){if(d)for(var b=0,e=d.length;b<e;b++){var i=d[b];"s"===
-i?c=null:a=f.filters[i](a)}c&&(a=f.filters[c](a));return a};f.filters={h:function(a){return f.escapeHtml(a)},j:function(a){return f.escapeJs(a)},u:encodeURI,uc:encodeURIComponent,js:function(a){return!JSON?a:JSON.stringify(a)},jp:function(a){return!JSON?a:JSON.parse(a)}};f.makeBase=function(a){return new h(new k,a)};h.wrap=function(a){return a instanceof h?a:new h(new k(a))};h.prototype.get=function(a){for(var c=this.stack,d;c;){if(c.isObject&&(d=c.head[a],void 0!==d))return d;c=c.tail}return this.global?
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diff --git a/dust/sample/public/javascripts/dust-core-1.2.3.min.js b/dust/sample/public/javascripts/dust-core-1.2.3.min.js
new file mode 100644
index 0000000..531634f
--- /dev/null
+++ b/dust/sample/public/javascripts/dust-core-1.2.3.min.js
@@ -0,0 +1 @@
+function getGlobal(){return function(){return this.dust}.call(null)}var dust={};(function(dust){function Context(e,t,n){this.stack=e,this.global=t,this.blocks=n}function Stack(e,t,n,r){this.tail=t,this.isObject=!dust.isArray(e)&&e&&typeof e=="object",this.head=e,this.index=n,this.of=r}function Stub(e){this.head=new Chunk(this),this.callback=e,this.out=""}function Stream(){this.head=new Chunk(this)}function Chunk(e,t,n){this.root=e,this.next=t,this.data=[],this.flushable=!1,this.taps=n}function Tap(e,t){this.head=e,this.tail=t}dust.helpers={},dust.cache={},dust.register=function(e,t){if(!e)return;dust.cache[e]=t},dust.render=function(e,t,n){var r=(new Stub(n)).head;dust.load(e,r,Context.wrap(t)).end()},dust.stream=function(e,t){var n=new Stream;return dust.nextTick(function(){dust.load(e,n.head,Context.wrap(t)).end()}),n},dust.renderSource=function(e,t,n){return dust.compileFn(e)(t,n)},dust.compileFn=function(e,t){var n=dust.loadSource(dust.compile(e,t));return function(e,t){var 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diff --git a/dust/sample/public/javascripts/jquery-1.7.1.min.js b/dust/sample/public/javascripts/jquery-1.7.1.min.js
deleted file mode 100644
index 198b3ff..0000000
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diff --git a/dust/sample/public/javascripts/dust-core-0.6.0.js b/dust/src/main/resources/dust-core-1.2.3.js
similarity index 66%
rename from dust/sample/public/javascripts/dust-core-0.6.0.js
rename to dust/src/main/resources/dust-core-1.2.3.js
index e588762..afa0f60 100644
--- a/dust/sample/public/javascripts/dust-core-0.6.0.js
+++ b/dust/src/main/resources/dust-core-1.2.3.js
@@ -1,5 +1,5 @@
 //
-// Dust - Asynchronous Templating v0.6.0
+// Dust - Asynchronous Templating v1.2.3
 // http://akdubya.github.com/dustjs
 //
 // Copyright (c) 2010, Aleksander Williams
@@ -8,14 +8,16 @@
 
 var dust = {};
 
-function getGlobal(){	
-  return (function(){	
-    return this.dust;	
-      }).call(null);
+function getGlobal(){
+  return (function(){
+    return this.dust;
+  }).call(null);
 }
 
 (function(dust) {
 
+dust.helpers = {};
+
 dust.cache = {};
 
 dust.register = function(name, tmpl) {
@@ -48,7 +50,7 @@ dust.compileFn = function(source, name) {
       tmpl(master.head, Context.wrap(context)).end();
     });
     return master;
-  }
+  };
 };
 
 dust.load = function(name, chunk, context) {
@@ -87,7 +89,7 @@ dust.nextTick = (function() {
   } else {
     return function(callback) {
       setTimeout(callback,0);
-    }
+    };
   }
 } )();
 
@@ -97,17 +99,21 @@ dust.isEmpty = function(value) {
   return (!value);
 };
 
+// apply the filter chain and return the output string
 dust.filter = function(string, auto, filters) {
   if (filters) {
     for (var i=0, len=filters.length; i<len; i++) {
       var name = filters[i];
       if (name === "s") {
         auto = null;
-      } else {
+      }
+      // fail silently for invalid filters
+      else if (typeof dust.filters[name] === 'function') {
         string = dust.filters[name](string);
       }
     }
   }
+  // by default always apply the h filter, unless asked to unescape with |s
   if (auto) {
     string = dust.filters[auto](string);
   }
@@ -160,7 +166,6 @@ Context.prototype.getPath = function(cur, down) {
       len = down.length;
 
   if (cur && len === 0) return ctx.head;
-  if (!ctx.isObject) return undefined;
   ctx = ctx.head;
   var i = 0;
   while(ctx && i < len) {
@@ -171,12 +176,6 @@ Context.prototype.getPath = function(cur, down) {
 };
 
 Context.prototype.push = function(head, idx, len) {
-  if( head ){
-   // loop index for a block section
-   head['$idx'] = idx;
-   // loop size for a block section
-   head['$len'] = len;
-  }
   return new Context(new Stack(head, this.stack, idx, len), this.global, this.blocks);
 };
 
@@ -188,7 +187,12 @@ Context.prototype.current = function() {
   return this.stack.head;
 };
 
-Context.prototype.getBlock = function(key) {
+Context.prototype.getBlock = function(key, chk, ctx) {
+  if (typeof key === "function") {
+    key = key(chk, ctx).data.join("");
+    chk.data = []; //ie7 perf
+  }
+
   var blocks = this.blocks;
 
   if (!blocks) return;
@@ -200,7 +204,8 @@ Context.prototype.getBlock = function(key) {
 };
 
 Context.prototype.shiftBlocks = function(locals) {
-  var blocks = this.blocks;
+  var blocks = this.blocks,
+      newBlocks;
 
   if (locals) {
     if (!blocks) {
@@ -232,7 +237,7 @@ Stub.prototype.flush = function() {
 
   while (chunk) {
     if (chunk.flushable) {
-      this.out += chunk.data;
+      this.out += chunk.data.join(""); //ie7 perf
     } else if (chunk.error) {
       this.callback(chunk.error);
       this.flush = function() {};
@@ -255,7 +260,7 @@ Stream.prototype.flush = function() {
 
   while(chunk) {
     if (chunk.flushable) {
-      this.emit('data', chunk.data);
+      this.emit('data', chunk.data.join("")); //ie7 perf
     } else if (chunk.error) {
       this.emit('error', chunk.error);
       this.flush = function() {};
@@ -270,10 +275,16 @@ Stream.prototype.flush = function() {
 };
 
 Stream.prototype.emit = function(type, data) {
-  var events = this.events;
-
-  if (events && events[type]) {
-    events[type](data);
+  if (!this.events) return false;
+  var handler = this.events[type];
+  if (!handler) return false;
+  if (typeof handler == 'function') {
+    handler(data);
+  } else {
+    var listeners = handler.slice(0);
+    for (var i = 0, l = listeners.length; i < l; i++) {
+      listeners[i](data);
+    }
   }
 };
 
@@ -281,14 +292,31 @@ Stream.prototype.on = function(type, callback) {
   if (!this.events) {
     this.events = {};
   }
-  this.events[type] = callback;
+  if (!this.events[type]) {
+    this.events[type] = callback;
+  } else if(typeof this.events[type] === 'function') {
+    this.events[type] = [this.events[type], callback];
+  } else {
+    this.events[type].push(callback);
+  }
+  return this;
+};
+
+Stream.prototype.pipe = function(stream) {
+  this.on("data", function(data) {
+    stream.write(data, "utf8");
+  }).on("end", function() {
+    stream.end();
+  }).on("error", function(err) {
+    stream.error(err);
+  });
   return this;
 };
 
 function Chunk(root, next, taps) {
   this.root = root;
   this.next = next;
-  this.data = '';
+  this.data = []; //ie7 perf
   this.flushable = false;
   this.taps = taps;
 }
@@ -299,7 +327,7 @@ Chunk.prototype.write = function(data) {
   if (taps) {
     data = taps.go(data);
   }
-  this.data += data;
+  this.data.push(data);
   return this;
 };
 
@@ -344,7 +372,10 @@ Chunk.prototype.render = function(body, context) {
 
 Chunk.prototype.reference = function(elem, context, auto, filters) {
   if (typeof elem === "function") {
-    elem = elem(this, context, null, {auto: auto, filters: filters});
+    elem.isFunction = true;
+    // Changed the function calling to use apply with the current context to make sure 
+    // that "this" is wat we expect it to be inside the function
+    elem = elem.apply(context.current(), [this, context, null, {auto: auto, filters: filters}]);
     if (elem instanceof Chunk) {
       return elem;
     }
@@ -357,35 +388,72 @@ Chunk.prototype.reference = function(elem, context, auto, filters) {
 };
 
 Chunk.prototype.section = function(elem, context, bodies, params) {
+  // anonymous functions
   if (typeof elem === "function") {
-    elem = elem(this, context, bodies, params);
+    elem = elem.apply(context.current(), [this, context, bodies, params]);
+    // functions that return chunks are assumed to have handled the body and/or have modified the chunk
+    // use that return value as the current chunk and go to the next method in the chain
     if (elem instanceof Chunk) {
       return elem;
     }
   }
-
   var body = bodies.block,
       skip = bodies['else'];
 
+  // a.k.a Inline parameters in the Dust documentations
   if (params) {
     context = context.push(params);
   }
 
+  /*
+  Dust's default behavior is to enumerate over the array elem, passing each object in the array to the block.
+  When elem resolves to a value or object instead of an array, Dust sets the current context to the value 
+  and renders the block one time.
+  */
+  //non empty array is truthy, empty array is falsy
   if (dust.isArray(elem)) {
-    if (body) {
+     if (body) {
       var len = elem.length, chunk = this;
-      for (var i=0; i<len; i++) {
-        chunk = body(chunk, context.push(elem[i], i, len));
+      if (len > 0) {
+        // any custom helper can blow up the stack 
+        // and store a flattened context, guard defensively
+        if(context.stack.head) {
+         context.stack.head['$len'] = len;
+        }
+        for (var i=0; i<len; i++) {
+          if(context.stack.head) {
+           context.stack.head['$idx'] = i;
+          }
+          chunk = body(chunk, context.push(elem[i], i, len));
+        }
+        if(context.stack.head) {
+         context.stack.head['$idx'] = undefined;
+         context.stack.head['$len'] = undefined;
+        }
+        return chunk;
+      } 
+      else if (skip) {
+         return skip(this, context);
       }
-      return chunk;
-    }
-  } else if (elem === true) {
-    if (body) return body(this, context);
-  } else if (elem || elem === 0) {
-    if (body) return body(this, context.push(elem));
+     }
+   }
+   // true is truthy but does not change context
+   else if (elem  === true) {
+     if (body) { 
+        return body(this, context);
+     }
+   }
+   // everything that evaluates to true are truthy ( e.g. Non-empty strings and Empty objects are truthy. )
+   // zero is truthy
+   // for anonymous functions that did not returns a chunk, truthiness is evaluated based on the return value
+   //
+   else if (elem || elem === 0) {
+     if (body) return body(this, context.push(elem));
+   // nonexistent, scalar false value, scalar empty string, null,
+   // undefined are all falsy
   } else if (skip) {
-    return skip(this, context);
-  }
+     return skip(this, context);
+   }  
   return this;
 };
 
@@ -427,26 +495,38 @@ Chunk.prototype.block = function(elem, context, bodies) {
 };
 
 Chunk.prototype.partial = function(elem, context, params) {
-  var ctx = context.stack, tempHead = ctx.head;
+  var partialContext;
   if (params){
     //put the params context second to match what section does. {.} matches the current context without parameters
-    //remove head
-    context = context.rebase(ctx.tail);
+    // start with an empty context
+    partialContext = dust.makeBase(context.global);
+    partialContext.blocks = context.blocks;
+    if (context.stack && context.stack.tail){
+      // grab the stack(tail) off of the previous context if we have it
+      partialContext.stack = context.stack.tail;
+    }
     //put params on
-    context = context.push(params);
+    partialContext = partialContext.push(params);
     //reattach the head
-    context = context.push(tempHead);
+    partialContext = partialContext.push(context.stack.head);
+  } else {
+    partialContext = context;
   }
   if (typeof elem === "function") {
-    return this.capture(elem, context, function(name, chunk) {
-      dust.load(name, chunk, context).end();
+    return this.capture(elem, partialContext, function(name, chunk) {
+      dust.load(name, chunk, partialContext).end();
     });
   }
-  return dust.load(elem, this, context);
+  return dust.load(elem, this, partialContext);
 };
 
 Chunk.prototype.helper = function(name, context, bodies, params) {
-  return dust.helpers[name](this, context, bodies, params);
+  // handle invalid helpers, similar to invalid filters
+  if( dust.helpers[name]){
+   return dust.helpers[name](this, context, bodies, params);
+  } else {
+    return this;
+  }
 };
 
 Chunk.prototype.capture = function(body, context, callback) {
@@ -505,6 +585,7 @@ dust.escapeHtml = function(s) {
 };
 
 var BS = /\\/g,
+    FS = /\//g,
     CR = /\r/g,
     LS = /\u2028/g,
     PS = /\u2029/g,
@@ -518,6 +599,7 @@ dust.escapeJs = function(s) {
   if (typeof s === "string") {
     return s
       .replace(BS, '\\\\')
+      .replace(FS, '\\/')
       .replace(DQ, '\\"')
       .replace(SQ, "\\'")
       .replace(CR, '\\r')
@@ -533,135 +615,8 @@ dust.escapeJs = function(s) {
 })(dust);
 
 if (typeof exports !== "undefined") {
-  dust.helpers = require("./dust-helpers").helpers;
   if (typeof process !== "undefined") {
       require('./server')(dust);
   }
   module.exports = dust;
 }
-(function(dust){
-
-function isSelect(context) {
-  var value = context.current();
-  return typeof value === "object" && value.isSelect === true;    
-}
-
-function filter(chunk, context, bodies, params, filter) {
-  var params = params || {},
-      actual, expected;
-  
-  if (params.key) {
-    actual = context.get(params.key);
-  } else if (isSelect(context)) {
-    actual = context.current().value;
-    if (context.current().isResolved) {
-      filter = function() { return false; };
-    }
-  } else {
-    throw "No key specified for filter and no key found in context from select statement";
-  }
-
-  expected = params.value;
-  if (filter(expected, coerce(actual, params.type, context))) {
-    if (isSelect(context)) {
-      context.current().isResolved = true;
-    }
-    return chunk.render(bodies.block, context);
-  } else if (bodies['else']) {
-    return chunk.render(bodies['else'], context);
-  }
-
-  return chunk.write('');
-}
-
-function coerce (value, type, context) {
-  if (value) {
-    switch (type || typeof(value)) {
-      case 'number': return +value;
-      case 'string': return String(value);
-      case 'boolean': return Boolean(value);
-      case 'date': return new Date(value);
-      case 'context': return context.get(value);
-    }
-  }
-
-  return value;
-}
-
-var helpers = {
-  
-  sep: function(chunk, context, bodies) {
-    if (context.stack.index === context.stack.of - 1) {
-      return chunk;
-    }
-    return bodies.block(chunk, context);
-  },
-
-  idx: function(chunk, context, bodies) {
-    return bodies.block(chunk, context.push(context.stack.index));
-  },
-
-  "if": function( chunk, context, bodies, params ){
-    if( params && params.cond ){
-      var cond = params.cond;
-
-      // resolve dust references in the expression
-      if( typeof cond === "function" ){
-        cond = '';
-        chunk.tap( function( data ){
-          cond += data;
-          return '';
-        } ).render( params.cond, context ).untap();
-        if( cond === '' ){
-          cond = false;
-        }
-      }
-      // eval expressions with no dust references
-      if( eval( cond ) ){
-       return chunk.render( bodies.block, context );
-      }
-      if( bodies['else'] ){
-       return chunk.render( bodies['else'], context );
-      }
-    }
-    // no condition
-    else {
-      if( typeof window !== 'undefined' && window.console ){
-        window.console.log( "No expression given!" );
-      }
-    }
-    return chunk;
-  },
-
-  select: function(chunk, context, bodies, params) {
-    return chunk.render(bodies.block, context.push({ isSelect: true, isResolved: false, value: context.get(params.key) }));
-  },
-
-  eq: function(chunk, context, bodies, params) {
-    return filter(chunk, context, bodies, params, function(expected, actual) { return actual === expected; });
-  },
-
-  lt: function(chunk, context, bodies, params) {
-    return filter(chunk, context, bodies, params, function(expected, actual) { return actual < expected; });
-  },
-
-  lte: function(chunk, context, bodies, params) {
-    return filter(chunk, context, bodies, params, function(expected, actual) { return actual <= expected; });
-  },
-
-  gt: function(chunk, context, bodies, params) {
-    return filter(chunk, context, bodies, params, function(expected, actual) { return actual > expected; });
-  },
-
-  gte: function(chunk, context, bodies, params) {
-    return filter(chunk, context, bodies, params, function(expected, actual) { return actual >= expected; });
-  },
-
-  "else": function(chunk, context, bodies, params) {
-    return filter(chunk, context, bodies, params, function(expected, actual) { return true; });
-  }
-};
-
-dust.helpers = helpers;
-
-})(typeof exports !== 'undefined' ? exports : getGlobal());
\ No newline at end of file
diff --git a/dust/src/main/resources/dust-full-0.6.0.js b/dust/src/main/resources/dust-full-1.2.3.js
similarity index 86%
rename from dust/src/main/resources/dust-full-0.6.0.js
rename to dust/src/main/resources/dust-full-1.2.3.js
index 94c7f0b..d11d61c 100644
--- a/dust/src/main/resources/dust-full-0.6.0.js
+++ b/dust/src/main/resources/dust-full-1.2.3.js
@@ -1,5 +1,5 @@
 //
-// Dust - Asynchronous Templating v0.6.0
+// Dust - Asynchronous Templating v1.2.3
 // http://akdubya.github.com/dustjs
 //
 // Copyright (c) 2010, Aleksander Williams
@@ -8,14 +8,16 @@
 
 var dust = {};
 
-function getGlobal(){	
-  return (function(){	
-    return this.dust;	
-      }).call(null);
+function getGlobal(){
+  return (function(){
+    return this.dust;
+  }).call(null);
 }
 
 (function(dust) {
 
+dust.helpers = {};
+
 dust.cache = {};
 
 dust.register = function(name, tmpl) {
@@ -48,7 +50,7 @@ dust.compileFn = function(source, name) {
       tmpl(master.head, Context.wrap(context)).end();
     });
     return master;
-  }
+  };
 };
 
 dust.load = function(name, chunk, context) {
@@ -87,7 +89,7 @@ dust.nextTick = (function() {
   } else {
     return function(callback) {
       setTimeout(callback,0);
-    }
+    };
   }
 } )();
 
@@ -97,17 +99,21 @@ dust.isEmpty = function(value) {
   return (!value);
 };
 
+// apply the filter chain and return the output string
 dust.filter = function(string, auto, filters) {
   if (filters) {
     for (var i=0, len=filters.length; i<len; i++) {
       var name = filters[i];
       if (name === "s") {
         auto = null;
-      } else {
+      }
+      // fail silently for invalid filters
+      else if (typeof dust.filters[name] === 'function') {
         string = dust.filters[name](string);
       }
     }
   }
+  // by default always apply the h filter, unless asked to unescape with |s
   if (auto) {
     string = dust.filters[auto](string);
   }
@@ -160,7 +166,6 @@ Context.prototype.getPath = function(cur, down) {
       len = down.length;
 
   if (cur && len === 0) return ctx.head;
-  if (!ctx.isObject) return undefined;
   ctx = ctx.head;
   var i = 0;
   while(ctx && i < len) {
@@ -171,12 +176,6 @@ Context.prototype.getPath = function(cur, down) {
 };
 
 Context.prototype.push = function(head, idx, len) {
-  if( head ){
-   // loop index for a block section
-   head['$idx'] = idx;
-   // loop size for a block section
-   head['$len'] = len;
-  }
   return new Context(new Stack(head, this.stack, idx, len), this.global, this.blocks);
 };
 
@@ -188,7 +187,12 @@ Context.prototype.current = function() {
   return this.stack.head;
 };
 
-Context.prototype.getBlock = function(key) {
+Context.prototype.getBlock = function(key, chk, ctx) {
+  if (typeof key === "function") {
+    key = key(chk, ctx).data.join("");
+    chk.data = []; //ie7 perf
+  }
+
   var blocks = this.blocks;
 
   if (!blocks) return;
@@ -200,7 +204,8 @@ Context.prototype.getBlock = function(key) {
 };
 
 Context.prototype.shiftBlocks = function(locals) {
-  var blocks = this.blocks;
+  var blocks = this.blocks,
+      newBlocks;
 
   if (locals) {
     if (!blocks) {
@@ -232,7 +237,7 @@ Stub.prototype.flush = function() {
 
   while (chunk) {
     if (chunk.flushable) {
-      this.out += chunk.data;
+      this.out += chunk.data.join(""); //ie7 perf
     } else if (chunk.error) {
       this.callback(chunk.error);
       this.flush = function() {};
@@ -255,7 +260,7 @@ Stream.prototype.flush = function() {
 
   while(chunk) {
     if (chunk.flushable) {
-      this.emit('data', chunk.data);
+      this.emit('data', chunk.data.join("")); //ie7 perf
     } else if (chunk.error) {
       this.emit('error', chunk.error);
       this.flush = function() {};
@@ -270,10 +275,16 @@ Stream.prototype.flush = function() {
 };
 
 Stream.prototype.emit = function(type, data) {
-  var events = this.events;
-
-  if (events && events[type]) {
-    events[type](data);
+  if (!this.events) return false;
+  var handler = this.events[type];
+  if (!handler) return false;
+  if (typeof handler == 'function') {
+    handler(data);
+  } else {
+    var listeners = handler.slice(0);
+    for (var i = 0, l = listeners.length; i < l; i++) {
+      listeners[i](data);
+    }
   }
 };
 
@@ -281,14 +292,31 @@ Stream.prototype.on = function(type, callback) {
   if (!this.events) {
     this.events = {};
   }
-  this.events[type] = callback;
+  if (!this.events[type]) {
+    this.events[type] = callback;
+  } else if(typeof this.events[type] === 'function') {
+    this.events[type] = [this.events[type], callback];
+  } else {
+    this.events[type].push(callback);
+  }
+  return this;
+};
+
+Stream.prototype.pipe = function(stream) {
+  this.on("data", function(data) {
+    stream.write(data, "utf8");
+  }).on("end", function() {
+    stream.end();
+  }).on("error", function(err) {
+    stream.error(err);
+  });
   return this;
 };
 
 function Chunk(root, next, taps) {
   this.root = root;
   this.next = next;
-  this.data = '';
+  this.data = []; //ie7 perf
   this.flushable = false;
   this.taps = taps;
 }
@@ -299,7 +327,7 @@ Chunk.prototype.write = function(data) {
   if (taps) {
     data = taps.go(data);
   }
-  this.data += data;
+  this.data.push(data);
   return this;
 };
 
@@ -344,7 +372,10 @@ Chunk.prototype.render = function(body, context) {
 
 Chunk.prototype.reference = function(elem, context, auto, filters) {
   if (typeof elem === "function") {
-    elem = elem(this, context, null, {auto: auto, filters: filters});
+    elem.isFunction = true;
+    // Changed the function calling to use apply with the current context to make sure 
+    // that "this" is wat we expect it to be inside the function
+    elem = elem.apply(context.current(), [this, context, null, {auto: auto, filters: filters}]);
     if (elem instanceof Chunk) {
       return elem;
     }
@@ -357,35 +388,72 @@ Chunk.prototype.reference = function(elem, context, auto, filters) {
 };
 
 Chunk.prototype.section = function(elem, context, bodies, params) {
+  // anonymous functions
   if (typeof elem === "function") {
-    elem = elem(this, context, bodies, params);
+    elem = elem.apply(context.current(), [this, context, bodies, params]);
+    // functions that return chunks are assumed to have handled the body and/or have modified the chunk
+    // use that return value as the current chunk and go to the next method in the chain
     if (elem instanceof Chunk) {
       return elem;
     }
   }
-
   var body = bodies.block,
       skip = bodies['else'];
 
+  // a.k.a Inline parameters in the Dust documentations
   if (params) {
     context = context.push(params);
   }
 
+  /*
+  Dust's default behavior is to enumerate over the array elem, passing each object in the array to the block.
+  When elem resolves to a value or object instead of an array, Dust sets the current context to the value 
+  and renders the block one time.
+  */
+  //non empty array is truthy, empty array is falsy
   if (dust.isArray(elem)) {
-    if (body) {
+     if (body) {
       var len = elem.length, chunk = this;
-      for (var i=0; i<len; i++) {
-        chunk = body(chunk, context.push(elem[i], i, len));
+      if (len > 0) {
+        // any custom helper can blow up the stack 
+        // and store a flattened context, guard defensively
+        if(context.stack.head) {
+         context.stack.head['$len'] = len;
+        }
+        for (var i=0; i<len; i++) {
+          if(context.stack.head) {
+           context.stack.head['$idx'] = i;
+          }
+          chunk = body(chunk, context.push(elem[i], i, len));
+        }
+        if(context.stack.head) {
+         context.stack.head['$idx'] = undefined;
+         context.stack.head['$len'] = undefined;
+        }
+        return chunk;
+      } 
+      else if (skip) {
+         return skip(this, context);
       }
-      return chunk;
-    }
-  } else if (elem === true) {
-    if (body) return body(this, context);
-  } else if (elem || elem === 0) {
-    if (body) return body(this, context.push(elem));
+     }
+   }
+   // true is truthy but does not change context
+   else if (elem  === true) {
+     if (body) { 
+        return body(this, context);
+     }
+   }
+   // everything that evaluates to true are truthy ( e.g. Non-empty strings and Empty objects are truthy. )
+   // zero is truthy
+   // for anonymous functions that did not returns a chunk, truthiness is evaluated based on the return value
+   //
+   else if (elem || elem === 0) {
+     if (body) return body(this, context.push(elem));
+   // nonexistent, scalar false value, scalar empty string, null,
+   // undefined are all falsy
   } else if (skip) {
-    return skip(this, context);
-  }
+     return skip(this, context);
+   }  
   return this;
 };
 
@@ -427,26 +495,38 @@ Chunk.prototype.block = function(elem, context, bodies) {
 };
 
 Chunk.prototype.partial = function(elem, context, params) {
-  var ctx = context.stack, tempHead = ctx.head;
+  var partialContext;
   if (params){
     //put the params context second to match what section does. {.} matches the current context without parameters
-    //remove head
-    context = context.rebase(ctx.tail);
+    // start with an empty context
+    partialContext = dust.makeBase(context.global);
+    partialContext.blocks = context.blocks;
+    if (context.stack && context.stack.tail){
+      // grab the stack(tail) off of the previous context if we have it
+      partialContext.stack = context.stack.tail;
+    }
     //put params on
-    context = context.push(params);
+    partialContext = partialContext.push(params);
     //reattach the head
-    context = context.push(tempHead);
+    partialContext = partialContext.push(context.stack.head);
+  } else {
+    partialContext = context;
   }
   if (typeof elem === "function") {
-    return this.capture(elem, context, function(name, chunk) {
-      dust.load(name, chunk, context).end();
+    return this.capture(elem, partialContext, function(name, chunk) {
+      dust.load(name, chunk, partialContext).end();
     });
   }
-  return dust.load(elem, this, context);
+  return dust.load(elem, this, partialContext);
 };
 
 Chunk.prototype.helper = function(name, context, bodies, params) {
-  return dust.helpers[name](this, context, bodies, params);
+  // handle invalid helpers, similar to invalid filters
+  if( dust.helpers[name]){
+   return dust.helpers[name](this, context, bodies, params);
+  } else {
+    return this;
+  }
 };
 
 Chunk.prototype.capture = function(body, context, callback) {
@@ -505,6 +585,7 @@ dust.escapeHtml = function(s) {
 };
 
 var BS = /\\/g,
+    FS = /\//g,
     CR = /\r/g,
     LS = /\u2028/g,
     PS = /\u2029/g,
@@ -518,6 +599,7 @@ dust.escapeJs = function(s) {
   if (typeof s === "string") {
     return s
       .replace(BS, '\\\\')
+      .replace(FS, '\\/')
       .replace(DQ, '\\"')
       .replace(SQ, "\\'")
       .replace(CR, '\\r')
@@ -533,142 +615,18 @@ dust.escapeJs = function(s) {
 })(dust);
 
 if (typeof exports !== "undefined") {
-  dust.helpers = require("./dust-helpers").helpers;
   if (typeof process !== "undefined") {
       require('./server')(dust);
   }
   module.exports = dust;
 }
-(function(dust){
-
-function isSelect(context) {
-  var value = context.current();
-  return typeof value === "object" && value.isSelect === true;    
-}
-
-function filter(chunk, context, bodies, params, filter) {
-  var params = params || {},
-      actual, expected;
-  
-  if (params.key) {
-    actual = context.get(params.key);
-  } else if (isSelect(context)) {
-    actual = context.current().value;
-    if (context.current().isResolved) {
-      filter = function() { return false; };
-    }
-  } else {
-    throw "No key specified for filter and no key found in context from select statement";
-  }
-
-  expected = params.value;
-  if (filter(expected, coerce(actual, params.type, context))) {
-    if (isSelect(context)) {
-      context.current().isResolved = true;
-    }
-    return chunk.render(bodies.block, context);
-  } else if (bodies['else']) {
-    return chunk.render(bodies['else'], context);
-  }
-
-  return chunk.write('');
-}
-
-function coerce (value, type, context) {
-  if (value) {
-    switch (type || typeof(value)) {
-      case 'number': return +value;
-      case 'string': return String(value);
-      case 'boolean': return Boolean(value);
-      case 'date': return new Date(value);
-      case 'context': return context.get(value);
-    }
-  }
-
-  return value;
-}
-
-var helpers = {
-  
-  sep: function(chunk, context, bodies) {
-    if (context.stack.index === context.stack.of - 1) {
-      return chunk;
-    }
-    return bodies.block(chunk, context);
-  },
-
-  idx: function(chunk, context, bodies) {
-    return bodies.block(chunk, context.push(context.stack.index));
-  },
-
-  "if": function( chunk, context, bodies, params ){
-    if( params && params.cond ){
-      var cond = params.cond;
-
-      // resolve dust references in the expression
-      if( typeof cond === "function" ){
-        cond = '';
-        chunk.tap( function( data ){
-          cond += data;
-          return '';
-        } ).render( params.cond, context ).untap();
-        if( cond === '' ){
-          cond = false;
-        }
-      }
-      // eval expressions with no dust references
-      if( eval( cond ) ){
-       return chunk.render( bodies.block, context );
-      }
-      if( bodies['else'] ){
-       return chunk.render( bodies['else'], context );
-      }
-    }
-    // no condition
-    else {
-      if( typeof window !== 'undefined' && window.console ){
-        window.console.log( "No expression given!" );
-      }
-    }
-    return chunk;
-  },
-
-  select: function(chunk, context, bodies, params) {
-    return chunk.render(bodies.block, context.push({ isSelect: true, isResolved: false, value: context.get(params.key) }));
-  },
-
-  eq: function(chunk, context, bodies, params) {
-    return filter(chunk, context, bodies, params, function(expected, actual) { return actual === expected; });
-  },
-
-  lt: function(chunk, context, bodies, params) {
-    return filter(chunk, context, bodies, params, function(expected, actual) { return actual < expected; });
-  },
-
-  lte: function(chunk, context, bodies, params) {
-    return filter(chunk, context, bodies, params, function(expected, actual) { return actual <= expected; });
-  },
-
-  gt: function(chunk, context, bodies, params) {
-    return filter(chunk, context, bodies, params, function(expected, actual) { return actual > expected; });
-  },
-
-  gte: function(chunk, context, bodies, params) {
-    return filter(chunk, context, bodies, params, function(expected, actual) { return actual >= expected; });
-  },
-
-  "else": function(chunk, context, bodies, params) {
-    return filter(chunk, context, bodies, params, function(expected, actual) { return true; });
-  }
-};
-
-dust.helpers = helpers;
-
-})(typeof exports !== 'undefined' ? exports : getGlobal());
-(function(dust) {
+var dustCompiler = (function(dust) {
 
-dust.compile = function(source, name) {
+dust.compile = function(source, name, strip) {
   try {
+    if (strip) {
+      source = source.replace(/^\s+/mg, '').replace(/\n/mg, '');
+    }
     var ast = filterAST(dust.parse(source));
     return compile(ast, name);
   }
@@ -682,11 +640,11 @@ dust.compile = function(source, name) {
 function filterAST(ast) {
   var context = {};
   return dust.filterNode(context, ast);
-}
+};
 
 dust.filterNode = function(context, node) {
   return dust.optimizers[node[0]](context, node);
-}
+};
 
 dust.optimizers = {
   body:      compactBuffers,
@@ -711,7 +669,7 @@ dust.optimizers = {
   path:      noop,
   literal:   noop,
   comment:   nullify
-}
+};
 
 dust.pragmas = {
   esc: function(compiler, context, bodies, params) {
@@ -722,7 +680,7 @@ dust.pragmas = {
     compiler.auto = old;
     return out;
   }
-}
+};
 
 function visit(context, node) {
   var out = [node[0]];
@@ -731,7 +689,7 @@ function visit(context, node) {
     if (res) out.push(res);
   }
   return out;
-}
+};
 
 // Compacts consecutive buffer nodes into a single node
 function compactBuffers(context, node) {
@@ -753,7 +711,7 @@ function compactBuffers(context, node) {
     }
   }
   return out;
-}
+};
 
 var specialChars = {
   "s": " ",
@@ -763,9 +721,9 @@ var specialChars = {
   "rb": "}"
 };
 
-function convertSpecial(context, node) { return ['buffer', specialChars[node[1]]] }
-function noop(context, node) { return node }
-function nullify(){}
+function convertSpecial(context, node) { return ['buffer', specialChars[node[1]]] };
+function noop(context, node) { return node };
+function nullify(){};
 
 function compile(ast, name) {
   var context = {
@@ -784,21 +742,21 @@ function compile(ast, name) {
     + compileBodies(context)
     + "return body_0;"
     + "})();";
-}
+};
 
 function compileBlocks(context) {
   var out = [],
       blocks = context.blocks;
 
   for (var name in blocks) {
-    out.push(name + ":" + blocks[name]);
+    out.push("'" + name + "':" + blocks[name]);
   }
   if (out.length) {
     context.blocks = "ctx=ctx.shiftBlocks(blocks);";
     return "var blocks={" + out.join(',') + "};";
   }
   return context.blocks = "";
-}
+};
 
 function compileBodies(context) {
   var out = [],
@@ -810,7 +768,7 @@ function compileBodies(context) {
       + blx + "return chk" + bodies[i] + ";}";
   }
   return out.join('');
-}
+};
 
 function compileParts(context, body) {
   var parts = '';
@@ -818,11 +776,11 @@ function compileParts(context, body) {
     parts += dust.compileNode(context, body[i]);
   }
   return parts;
-}
+};
 
 dust.compileNode = function(context, node) {
   return dust.nodes[node[0]](context, node);
-}
+};
 
 dust.nodes = {
   body: function(context, node) {
@@ -870,12 +828,20 @@ dust.nodes = {
   },
 
   "+": function(context, node) {
-    return ".block(ctx.getBlock("
+    if(typeof(node[1].text) === "undefined"  && typeof(node[4]) === "undefined"){
+      return ".block(ctx.getBlock("
+      + dust.compileNode(context, node[1])
+      + ",chk, ctx)," + dust.compileNode(context, node[2]) + ", {},"
+      + dust.compileNode(context, node[3])
+      + ")";
+    }else {
+      return ".block(ctx.getBlock("
       + escape(node[1].text)
       + ")," + dust.compileNode(context, node[2]) + ","
       + dust.compileNode(context, node[4]) + ","
       + dust.compileNode(context, node[3])
       + ")";
+    }
   },
 
   "@": function(context, node) {
@@ -968,7 +934,10 @@ dust.nodes = {
         list = [];
 
     for (var i=0,len=keys.length; i<len; i++) {
-      list.push("\"" + keys[i] + "\"");
+      if (dust.isArray(keys[i]))
+        list.push(dust.compileNode(context, keys[i]));
+      else
+        list.push("\"" + keys[i] + "\"");
     }
     return "ctx.getPath(" + current + ",[" + list.join(',') + "])";
   },
@@ -976,7 +945,7 @@ dust.nodes = {
   literal: function(context, node) {
     return escape(node[1]);
   }
-}
+};
 
 function compileSection(context, node, cmd) {
   return "." + cmd + "("
@@ -985,13 +954,21 @@ function compileSection(context, node, cmd) {
     + dust.compileNode(context, node[4]) + ","
     + dust.compileNode(context, node[3])
     + ")";
-}
+};
 
 var escape = (typeof JSON === "undefined")
   ? function(str) { return "\"" + dust.escapeJs(str) + "\"" }
   : JSON.stringify;
 
-})(typeof exports !== 'undefined' ? exports : getGlobal());
+  return dust;
+
+});
+
+if (typeof exports !== 'undefined') {
+  module.exports = dustCompiler;
+} else {
+  dustCompiler(getGlobal());
+}
 (function(dust){
 
 var parser = (function(){
@@ -1051,8 +1028,8 @@ var parser = (function(){
         "integer": parse_integer,
         "path": parse_path,
         "key": parse_key,
-        "nestedKey": parse_nestedKey,
         "array": parse_array,
+        "array_part": parse_array_part,
         "inline": parse_inline,
         "inline_part": parse_inline_part,
         "buffer": parse_buffer,
@@ -1062,6 +1039,8 @@ var parser = (function(){
         "tag": parse_tag,
         "ld": parse_ld,
         "rd": parse_rd,
+        "lb": parse_lb,
+        "rb": parse_rb,
         "eol": parse_eol,
         "ws": parse_ws
       };
@@ -1214,8 +1193,9 @@ var parser = (function(){
                 result4 = parse_bodies();
                 if (result4 !== null) {
                   result5 = parse_end_tag();
+                  result5 = result5 !== null ? result5 : "";
                   if (result5 !== null) {
-                    result6 = (function(offset, line, column, t, b, e, n) { return t[1].text === n.text;})(pos.offset, pos.line, pos.column, result0, result3, result4, result5) ? "" : null;
+                    result6 = (function(offset, line, column, t, b, e, n) {if( (!n) || (t[1].text !== n.text) ) { throw new Error("Expected end tag for "+t[1].text+" but it was not found. At line : "+line+", column : " + column)} return true;})(pos.offset, pos.line, pos.column, result0, result3, result4, result5) ? "" : null;
                     if (result6 !== null) {
                       result0 = [result0, result1, result2, result3, result4, result5, result6];
                     } else {
@@ -1789,7 +1769,7 @@ var parser = (function(){
       }
       
       function parse_partial() {
-        var result0, result1, result2, result3, result4, result5, result6, result7;
+        var result0, result1, result2, result3, result4, result5, result6, result7, result8;
         var pos0, pos1, pos2;
         
         reportFailures++;
@@ -1806,43 +1786,65 @@ var parser = (function(){
               matchFailed("\">\"");
             }
           }
-          if (result1 !== null) {
-            pos2 = clone(pos);
-            result2 = parse_key();
-            if (result2 !== null) {
-              result2 = (function(offset, line, column, k) {return ["literal", k]})(pos2.offset, pos2.line, pos2.column, result2);
-            }
-            if (result2 === null) {
-              pos = clone(pos2);
+          if (result1 === null) {
+            if (input.charCodeAt(pos.offset) === 43) {
+              result1 = "+";
+              advance(pos, 1);
+            } else {
+              result1 = null;
+              if (reportFailures === 0) {
+                matchFailed("\"+\"");
+              }
             }
-            if (result2 === null) {
-              result2 = parse_inline();
+          }
+          if (result1 !== null) {
+            result2 = [];
+            result3 = parse_ws();
+            while (result3 !== null) {
+              result2.push(result3);
+              result3 = parse_ws();
             }
             if (result2 !== null) {
-              result3 = parse_context();
+              pos2 = clone(pos);
+              result3 = parse_key();
+              if (result3 !== null) {
+                result3 = (function(offset, line, column, k) {return ["literal", k]})(pos2.offset, pos2.line, pos2.column, result3);
+              }
+              if (result3 === null) {
+                pos = clone(pos2);
+              }
+              if (result3 === null) {
+                result3 = parse_inline();
+              }
               if (result3 !== null) {
-                result4 = parse_params();
+                result4 = parse_context();
                 if (result4 !== null) {
-                  result5 = [];
-                  result6 = parse_ws();
-                  while (result6 !== null) {
-                    result5.push(result6);
-                    result6 = parse_ws();
-                  }
+                  result5 = parse_params();
                   if (result5 !== null) {
-                    if (input.charCodeAt(pos.offset) === 47) {
-                      result6 = "/";
-                      advance(pos, 1);
-                    } else {
-                      result6 = null;
-                      if (reportFailures === 0) {
-                        matchFailed("\"/\"");
-                      }
+                    result6 = [];
+                    result7 = parse_ws();
+                    while (result7 !== null) {
+                      result6.push(result7);
+                      result7 = parse_ws();
                     }
                     if (result6 !== null) {
-                      result7 = parse_rd();
+                      if (input.charCodeAt(pos.offset) === 47) {
+                        result7 = "/";
+                        advance(pos, 1);
+                      } else {
+                        result7 = null;
+                        if (reportFailures === 0) {
+                          matchFailed("\"/\"");
+                        }
+                      }
                       if (result7 !== null) {
-                        result0 = [result0, result1, result2, result3, result4, result5, result6, result7];
+                        result8 = parse_rd();
+                        if (result8 !== null) {
+                          result0 = [result0, result1, result2, result3, result4, result5, result6, result7, result8];
+                        } else {
+                          result0 = null;
+                          pos = clone(pos1);
+                        }
                       } else {
                         result0 = null;
                         pos = clone(pos1);
@@ -1876,7 +1878,7 @@ var parser = (function(){
           pos = clone(pos1);
         }
         if (result0 !== null) {
-          result0 = (function(offset, line, column, n, c, p) { return ["partial", n, c, p] })(pos0.offset, pos0.line, pos0.column, result0[2], result0[3], result0[4]);
+          result0 = (function(offset, line, column, s, n, c, p) { var key = (s ===">")? "partial" : s; return [key, n, c, p] })(pos0.offset, pos0.line, pos0.column, result0[1], result0[3], result0[4], result0[5]);
         }
         if (result0 === null) {
           pos = clone(pos0);
@@ -2186,12 +2188,18 @@ var parser = (function(){
         result0 = parse_key();
         result0 = result0 !== null ? result0 : "";
         if (result0 !== null) {
-          result2 = parse_nestedKey();
+          result2 = parse_array_part();
+          if (result2 === null) {
+            result2 = parse_array();
+          }
           if (result2 !== null) {
             result1 = [];
             while (result2 !== null) {
               result1.push(result2);
-              result2 = parse_nestedKey();
+              result2 = parse_array_part();
+              if (result2 === null) {
+                result2 = parse_array();
+              }
             }
           } else {
             result1 = null;
@@ -2211,7 +2219,7 @@ var parser = (function(){
             d = d[0]; 
             if (k && d) {
               d.unshift(k);
-              return [false, d];;
+              return [false, d];
             }
             return [true, d];
           })(pos0.offset, pos0.line, pos0.column, result0[0], result0[1]);
@@ -2221,6 +2229,7 @@ var parser = (function(){
         }
         if (result0 === null) {
           pos0 = clone(pos);
+          pos1 = clone(pos);
           if (input.charCodeAt(pos.offset) === 46) {
             result0 = ".";
             advance(pos, 1);
@@ -2231,7 +2240,35 @@ var parser = (function(){
             }
           }
           if (result0 !== null) {
-            result0 = (function(offset, line, column) { return [true, []] })(pos0.offset, pos0.line, pos0.column);
+            result1 = [];
+            result2 = parse_array_part();
+            if (result2 === null) {
+              result2 = parse_array();
+            }
+            while (result2 !== null) {
+              result1.push(result2);
+              result2 = parse_array_part();
+              if (result2 === null) {
+                result2 = parse_array();
+              }
+            }
+            if (result1 !== null) {
+              result0 = [result0, result1];
+            } else {
+              result0 = null;
+              pos = clone(pos1);
+            }
+          } else {
+            result0 = null;
+            pos = clone(pos1);
+          }
+          if (result0 !== null) {
+            result0 = (function(offset, line, column, d) {
+              if (d.length > 0) {
+                return [true, d[0]];
+              }
+              return [true, []] 
+            })(pos0.offset, pos0.line, pos0.column, result0[1]);
           }
           if (result0 === null) {
             pos = clone(pos0);
@@ -2262,24 +2299,24 @@ var parser = (function(){
         }
         if (result0 !== null) {
           result1 = [];
-          if (/^[0-9a-zA-Z_$]/.test(input.charAt(pos.offset))) {
+          if (/^[0-9a-zA-Z_$\-]/.test(input.charAt(pos.offset))) {
             result2 = input.charAt(pos.offset);
             advance(pos, 1);
           } else {
             result2 = null;
             if (reportFailures === 0) {
-              matchFailed("[0-9a-zA-Z_$]");
+              matchFailed("[0-9a-zA-Z_$\\-]");
             }
           }
           while (result2 !== null) {
             result1.push(result2);
-            if (/^[0-9a-zA-Z_$]/.test(input.charAt(pos.offset))) {
+            if (/^[0-9a-zA-Z_$\-]/.test(input.charAt(pos.offset))) {
               result2 = input.charAt(pos.offset);
               advance(pos, 1);
             } else {
               result2 = null;
               if (reportFailures === 0) {
-                matchFailed("[0-9a-zA-Z_$]");
+                matchFailed("[0-9a-zA-Z_$\\-]");
               }
             }
           }
@@ -2306,81 +2343,77 @@ var parser = (function(){
         return result0;
       }
       
-      function parse_nestedKey() {
+      function parse_array() {
         var result0, result1, result2;
-        var pos0, pos1, pos2, pos3;
+        var pos0, pos1, pos2, pos3, pos4;
         
         reportFailures++;
         pos0 = clone(pos);
         pos1 = clone(pos);
         pos2 = clone(pos);
         pos3 = clone(pos);
-        if (input.charCodeAt(pos.offset) === 46) {
-          result1 = ".";
-          advance(pos, 1);
-        } else {
-          result1 = null;
-          if (reportFailures === 0) {
-            matchFailed("\".\"");
+        result0 = parse_lb();
+        if (result0 !== null) {
+          pos4 = clone(pos);
+          if (/^[0-9]/.test(input.charAt(pos.offset))) {
+            result2 = input.charAt(pos.offset);
+            advance(pos, 1);
+          } else {
+            result2 = null;
+            if (reportFailures === 0) {
+              matchFailed("[0-9]");
+            }
           }
-        }
-        if (result1 !== null) {
-          result2 = parse_key();
           if (result2 !== null) {
-            result1 = [result1, result2];
+            result1 = [];
+            while (result2 !== null) {
+              result1.push(result2);
+              if (/^[0-9]/.test(input.charAt(pos.offset))) {
+                result2 = input.charAt(pos.offset);
+                advance(pos, 1);
+              } else {
+                result2 = null;
+                if (reportFailures === 0) {
+                  matchFailed("[0-9]");
+                }
+              }
+            }
           } else {
             result1 = null;
+          }
+          if (result1 !== null) {
+            result1 = (function(offset, line, column, n) {return n.join('')})(pos4.offset, pos4.line, pos4.column, result1);
+          }
+          if (result1 === null) {
+            pos = clone(pos4);
+          }
+          if (result1 === null) {
+            result1 = parse_identifier();
+          }
+          if (result1 !== null) {
+            result2 = parse_rb();
+            if (result2 !== null) {
+              result0 = [result0, result1, result2];
+            } else {
+              result0 = null;
+              pos = clone(pos3);
+            }
+          } else {
+            result0 = null;
             pos = clone(pos3);
           }
         } else {
-          result1 = null;
+          result0 = null;
           pos = clone(pos3);
         }
-        if (result1 !== null) {
-          result1 = (function(offset, line, column, k) {return k})(pos2.offset, pos2.line, pos2.column, result1[1]);
+        if (result0 !== null) {
+          result0 = (function(offset, line, column, a) {return a; })(pos2.offset, pos2.line, pos2.column, result0[1]);
         }
-        if (result1 === null) {
+        if (result0 === null) {
           pos = clone(pos2);
         }
-        if (result1 !== null) {
-          result0 = [];
-          while (result1 !== null) {
-            result0.push(result1);
-            pos2 = clone(pos);
-            pos3 = clone(pos);
-            if (input.charCodeAt(pos.offset) === 46) {
-              result1 = ".";
-              advance(pos, 1);
-            } else {
-              result1 = null;
-              if (reportFailures === 0) {
-                matchFailed("\".\"");
-              }
-            }
-            if (result1 !== null) {
-              result2 = parse_key();
-              if (result2 !== null) {
-                result1 = [result1, result2];
-              } else {
-                result1 = null;
-                pos = clone(pos3);
-              }
-            } else {
-              result1 = null;
-              pos = clone(pos3);
-            }
-            if (result1 !== null) {
-              result1 = (function(offset, line, column, k) {return k})(pos2.offset, pos2.line, pos2.column, result1[1]);
-            }
-            if (result1 === null) {
-              pos = clone(pos2);
-            }
-          }
-        } else {
-          result0 = null;
-        }
         if (result0 !== null) {
-          result1 = parse_array();
+          result1 = parse_array_part();
           result1 = result1 !== null ? result1 : "";
           if (result1 !== null) {
             result0 = [result0, result1];
@@ -2393,19 +2426,19 @@ var parser = (function(){
           pos = clone(pos1);
         }
         if (result0 !== null) {
-          result0 = (function(offset, line, column, d, a) { if (a) { return d.concat(a); } else { return d; } })(pos0.offset, pos0.line, pos0.column, result0[0], result0[1]);
+          result0 = (function(offset, line, column, i, nk) { if(nk) { nk.unshift(i); } else {nk = [i] } return nk; })(pos0.offset, pos0.line, pos0.column, result0[0], result0[1]);
         }
         if (result0 === null) {
           pos = clone(pos0);
         }
         reportFailures--;
         if (reportFailures === 0 && result0 === null) {
-          matchFailed("nestedKey");
+          matchFailed("array");
         }
         return result0;
       }
       
-      function parse_array() {
+      function parse_array_part() {
         var result0, result1, result2;
         var pos0, pos1, pos2, pos3;
         
@@ -2414,74 +2447,72 @@ var parser = (function(){
         pos1 = clone(pos);
         pos2 = clone(pos);
         pos3 = clone(pos);
-        if (input.charCodeAt(pos.offset) === 91) {
-          result0 = "[";
+        if (input.charCodeAt(pos.offset) === 46) {
+          result1 = ".";
           advance(pos, 1);
         } else {
-          result0 = null;
+          result1 = null;
           if (reportFailures === 0) {
-            matchFailed("\"[\"");
+            matchFailed("\".\"");
           }
         }
-        if (result0 !== null) {
-          if (/^[0-9]/.test(input.charAt(pos.offset))) {
-            result2 = input.charAt(pos.offset);
-            advance(pos, 1);
-          } else {
-            result2 = null;
-            if (reportFailures === 0) {
-              matchFailed("[0-9]");
-            }
-          }
+        if (result1 !== null) {
+          result2 = parse_key();
           if (result2 !== null) {
-            result1 = [];
-            while (result2 !== null) {
-              result1.push(result2);
-              if (/^[0-9]/.test(input.charAt(pos.offset))) {
-                result2 = input.charAt(pos.offset);
-                advance(pos, 1);
-              } else {
-                result2 = null;
-                if (reportFailures === 0) {
-                  matchFailed("[0-9]");
-                }
-              }
-            }
+            result1 = [result1, result2];
           } else {
             result1 = null;
+            pos = clone(pos3);
           }
-          if (result1 !== null) {
-            if (input.charCodeAt(pos.offset) === 93) {
-              result2 = "]";
+        } else {
+          result1 = null;
+          pos = clone(pos3);
+        }
+        if (result1 !== null) {
+          result1 = (function(offset, line, column, k) {return k})(pos2.offset, pos2.line, pos2.column, result1[1]);
+        }
+        if (result1 === null) {
+          pos = clone(pos2);
+        }
+        if (result1 !== null) {
+          result0 = [];
+          while (result1 !== null) {
+            result0.push(result1);
+            pos2 = clone(pos);
+            pos3 = clone(pos);
+            if (input.charCodeAt(pos.offset) === 46) {
+              result1 = ".";
               advance(pos, 1);
             } else {
-              result2 = null;
+              result1 = null;
               if (reportFailures === 0) {
-                matchFailed("\"]\"");
+                matchFailed("\".\"");
               }
             }
-            if (result2 !== null) {
-              result0 = [result0, result1, result2];
+            if (result1 !== null) {
+              result2 = parse_key();
+              if (result2 !== null) {
+                result1 = [result1, result2];
+              } else {
+                result1 = null;
+                pos = clone(pos3);
+              }
             } else {
-              result0 = null;
+              result1 = null;
               pos = clone(pos3);
             }
-          } else {
-            result0 = null;
-            pos = clone(pos3);
+            if (result1 !== null) {
+              result1 = (function(offset, line, column, k) {return k})(pos2.offset, pos2.line, pos2.column, result1[1]);
+            }
+            if (result1 === null) {
+              pos = clone(pos2);
+            }
           }
         } else {
           result0 = null;
-          pos = clone(pos3);
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, line, column, a) {return a.join('')})(pos2.offset, pos2.line, pos2.column, result0[1]);
-        }
-        if (result0 === null) {
-          pos = clone(pos2);
         }
         if (result0 !== null) {
-          result1 = parse_nestedKey();
+          result1 = parse_array();
           result1 = result1 !== null ? result1 : "";
           if (result1 !== null) {
             result0 = [result0, result1];
@@ -2494,14 +2525,14 @@ var parser = (function(){
           pos = clone(pos1);
         }
         if (result0 !== null) {
-          result0 = (function(offset, line, column, i, nk) { if(nk) { nk.unshift(i); } else {nk = [i] } return nk; })(pos0.offset, pos0.line, pos0.column, result0[0], result0[1]);
+          result0 = (function(offset, line, column, d, a) { if (a) { return d.concat(a); } else { return d; } })(pos0.offset, pos0.line, pos0.column, result0[0], result0[1]);
         }
         if (result0 === null) {
           pos = clone(pos0);
         }
         reportFailures--;
         if (reportFailures === 0 && result0 === null) {
-          matchFailed("array");
+          matchFailed("array_part");
         }
         return result0;
       }
@@ -2723,7 +2754,7 @@ var parser = (function(){
           if (result1 !== null) {
             pos3 = clone(pos);
             reportFailures++;
-            result2 = parse_eol();
+            result2 = parse_comment();
             reportFailures--;
             if (result2 === null) {
               result2 = "";
@@ -2734,7 +2765,7 @@ var parser = (function(){
             if (result2 !== null) {
               pos3 = clone(pos);
               reportFailures++;
-              result3 = parse_comment();
+              result3 = parse_eol();
               reportFailures--;
               if (result3 === null) {
                 result3 = "";
@@ -2795,7 +2826,7 @@ var parser = (function(){
               if (result1 !== null) {
                 pos3 = clone(pos);
                 reportFailures++;
-                result2 = parse_eol();
+                result2 = parse_comment();
                 reportFailures--;
                 if (result2 === null) {
                   result2 = "";
@@ -2806,7 +2837,7 @@ var parser = (function(){
                 if (result2 !== null) {
                   pos3 = clone(pos);
                   reportFailures++;
-                  result3 = parse_comment();
+                  result3 = parse_eol();
                   reportFailures--;
                   if (result3 === null) {
                     result3 = "";
@@ -2867,7 +2898,7 @@ var parser = (function(){
       }
       
       function parse_literal() {
-        var result0, result1, result2, result3;
+        var result0, result1, result2;
         var pos0, pos1, pos2, pos3;
         
         reportFailures++;
@@ -2885,35 +2916,20 @@ var parser = (function(){
           pos = clone(pos3);
         }
         if (result1 !== null) {
-          pos3 = clone(pos);
-          reportFailures++;
-          result2 = parse_eol();
-          reportFailures--;
+          result2 = parse_esc();
           if (result2 === null) {
-            result2 = "";
-          } else {
-            result2 = null;
-            pos = clone(pos3);
-          }
-          if (result2 !== null) {
-            result3 = parse_esc();
-            if (result3 === null) {
-              if (/^[^"]/.test(input.charAt(pos.offset))) {
-                result3 = input.charAt(pos.offset);
-                advance(pos, 1);
-              } else {
-                result3 = null;
-                if (reportFailures === 0) {
-                  matchFailed("[^\"]");
-                }
-              }
-            }
-            if (result3 !== null) {
-              result1 = [result1, result2, result3];
+            if (/^[^"]/.test(input.charAt(pos.offset))) {
+              result2 = input.charAt(pos.offset);
+              advance(pos, 1);
             } else {
-              result1 = null;
-              pos = clone(pos2);
+              result2 = null;
+              if (reportFailures === 0) {
+                matchFailed("[^\"]");
+              }
             }
+          }
+          if (result2 !== null) {
+            result1 = [result1, result2];
           } else {
             result1 = null;
             pos = clone(pos2);
@@ -2923,7 +2939,7 @@ var parser = (function(){
           pos = clone(pos2);
         }
         if (result1 !== null) {
-          result1 = (function(offset, line, column, c) {return c})(pos1.offset, pos1.line, pos1.column, result1[2]);
+          result1 = (function(offset, line, column, c) {return c})(pos1.offset, pos1.line, pos1.column, result1[1]);
         }
         if (result1 === null) {
           pos = clone(pos1);
@@ -2945,35 +2961,20 @@ var parser = (function(){
               pos = clone(pos3);
             }
             if (result1 !== null) {
-              pos3 = clone(pos);
-              reportFailures++;
-              result2 = parse_eol();
-              reportFailures--;
+              result2 = parse_esc();
               if (result2 === null) {
-                result2 = "";
-              } else {
-                result2 = null;
-                pos = clone(pos3);
-              }
-              if (result2 !== null) {
-                result3 = parse_esc();
-                if (result3 === null) {
-                  if (/^[^"]/.test(input.charAt(pos.offset))) {
-                    result3 = input.charAt(pos.offset);
-                    advance(pos, 1);
-                  } else {
-                    result3 = null;
-                    if (reportFailures === 0) {
-                      matchFailed("[^\"]");
-                    }
-                  }
-                }
-                if (result3 !== null) {
-                  result1 = [result1, result2, result3];
+                if (/^[^"]/.test(input.charAt(pos.offset))) {
+                  result2 = input.charAt(pos.offset);
+                  advance(pos, 1);
                 } else {
-                  result1 = null;
-                  pos = clone(pos2);
+                  result2 = null;
+                  if (reportFailures === 0) {
+                    matchFailed("[^\"]");
+                  }
                 }
+              }
+              if (result2 !== null) {
+                result1 = [result1, result2];
               } else {
                 result1 = null;
                 pos = clone(pos2);
@@ -2983,7 +2984,7 @@ var parser = (function(){
               pos = clone(pos2);
             }
             if (result1 !== null) {
-              result1 = (function(offset, line, column, c) {return c})(pos1.offset, pos1.line, pos1.column, result1[2]);
+              result1 = (function(offset, line, column, c) {return c})(pos1.offset, pos1.line, pos1.column, result1[1]);
             }
             if (result1 === null) {
               pos = clone(pos1);
@@ -3179,44 +3180,40 @@ var parser = (function(){
       }
       
       function parse_tag() {
-        var result0, result1, result2, result3, result4, result5, result6;
+        var result0, result1, result2, result3, result4, result5, result6, result7;
         var pos0, pos1, pos2;
         
         pos0 = clone(pos);
         result0 = parse_ld();
         if (result0 !== null) {
-          if (/^[#?^><+%:@\/~%]/.test(input.charAt(pos.offset))) {
-            result1 = input.charAt(pos.offset);
-            advance(pos, 1);
-          } else {
-            result1 = null;
-            if (reportFailures === 0) {
-              matchFailed("[#?^><+%:@\\/~%]");
-            }
+          result1 = [];
+          result2 = parse_ws();
+          while (result2 !== null) {
+            result1.push(result2);
+            result2 = parse_ws();
           }
           if (result1 !== null) {
-            result2 = [];
-            result3 = parse_ws();
-            while (result3 !== null) {
-              result2.push(result3);
-              result3 = parse_ws();
+            if (/^[#?^><+%:@\/~%]/.test(input.charAt(pos.offset))) {
+              result2 = input.charAt(pos.offset);
+              advance(pos, 1);
+            } else {
+              result2 = null;
+              if (reportFailures === 0) {
+                matchFailed("[#?^><+%:@\\/~%]");
+              }
             }
             if (result2 !== null) {
-              pos1 = clone(pos);
-              pos2 = clone(pos);
-              reportFailures++;
-              result4 = parse_rd();
-              reportFailures--;
-              if (result4 === null) {
-                result4 = "";
-              } else {
-                result4 = null;
-                pos = clone(pos2);
+              result3 = [];
+              result4 = parse_ws();
+              while (result4 !== null) {
+                result3.push(result4);
+                result4 = parse_ws();
               }
-              if (result4 !== null) {
+              if (result3 !== null) {
+                pos1 = clone(pos);
                 pos2 = clone(pos);
                 reportFailures++;
-                result5 = parse_eol();
+                result5 = parse_rd();
                 reportFailures--;
                 if (result5 === null) {
                   result5 = "";
@@ -3225,48 +3222,48 @@ var parser = (function(){
                   pos = clone(pos2);
                 }
                 if (result5 !== null) {
-                  if (input.length > pos.offset) {
-                    result6 = input.charAt(pos.offset);
-                    advance(pos, 1);
+                  pos2 = clone(pos);
+                  reportFailures++;
+                  result6 = parse_eol();
+                  reportFailures--;
+                  if (result6 === null) {
+                    result6 = "";
                   } else {
                     result6 = null;
-                    if (reportFailures === 0) {
-                      matchFailed("any character");
-                    }
+                    pos = clone(pos2);
                   }
                   if (result6 !== null) {
-                    result4 = [result4, result5, result6];
+                    if (input.length > pos.offset) {
+                      result7 = input.charAt(pos.offset);
+                      advance(pos, 1);
+                    } else {
+                      result7 = null;
+                      if (reportFailures === 0) {
+                        matchFailed("any character");
+                      }
+                    }
+                    if (result7 !== null) {
+                      result5 = [result5, result6, result7];
+                    } else {
+                      result5 = null;
+                      pos = clone(pos1);
+                    }
                   } else {
-                    result4 = null;
+                    result5 = null;
                     pos = clone(pos1);
                   }
                 } else {
-                  result4 = null;
+                  result5 = null;
                   pos = clone(pos1);
                 }
-              } else {
-                result4 = null;
-                pos = clone(pos1);
-              }
-              if (result4 !== null) {
-                result3 = [];
-                while (result4 !== null) {
-                  result3.push(result4);
-                  pos1 = clone(pos);
-                  pos2 = clone(pos);
-                  reportFailures++;
-                  result4 = parse_rd();
-                  reportFailures--;
-                  if (result4 === null) {
-                    result4 = "";
-                  } else {
-                    result4 = null;
-                    pos = clone(pos2);
-                  }
-                  if (result4 !== null) {
+                if (result5 !== null) {
+                  result4 = [];
+                  while (result5 !== null) {
+                    result4.push(result5);
+                    pos1 = clone(pos);
                     pos2 = clone(pos);
                     reportFailures++;
-                    result5 = parse_eol();
+                    result5 = parse_rd();
                     reportFailures--;
                     if (result5 === null) {
                       result5 = "";
@@ -3275,44 +3272,59 @@ var parser = (function(){
                       pos = clone(pos2);
                     }
                     if (result5 !== null) {
-                      if (input.length > pos.offset) {
-                        result6 = input.charAt(pos.offset);
-                        advance(pos, 1);
+                      pos2 = clone(pos);
+                      reportFailures++;
+                      result6 = parse_eol();
+                      reportFailures--;
+                      if (result6 === null) {
+                        result6 = "";
                       } else {
                         result6 = null;
-                        if (reportFailures === 0) {
-                          matchFailed("any character");
-                        }
+                        pos = clone(pos2);
                       }
                       if (result6 !== null) {
-                        result4 = [result4, result5, result6];
+                        if (input.length > pos.offset) {
+                          result7 = input.charAt(pos.offset);
+                          advance(pos, 1);
+                        } else {
+                          result7 = null;
+                          if (reportFailures === 0) {
+                            matchFailed("any character");
+                          }
+                        }
+                        if (result7 !== null) {
+                          result5 = [result5, result6, result7];
+                        } else {
+                          result5 = null;
+                          pos = clone(pos1);
+                        }
                       } else {
-                        result4 = null;
+                        result5 = null;
                         pos = clone(pos1);
                       }
                     } else {
-                      result4 = null;
+                      result5 = null;
                       pos = clone(pos1);
                     }
-                  } else {
-                    result4 = null;
-                    pos = clone(pos1);
                   }
-                }
-              } else {
-                result3 = null;
-              }
-              if (result3 !== null) {
-                result4 = [];
-                result5 = parse_ws();
-                while (result5 !== null) {
-                  result4.push(result5);
-                  result5 = parse_ws();
+                } else {
+                  result4 = null;
                 }
                 if (result4 !== null) {
-                  result5 = parse_rd();
+                  result5 = [];
+                  result6 = parse_ws();
+                  while (result6 !== null) {
+                    result5.push(result6);
+                    result6 = parse_ws();
+                  }
                   if (result5 !== null) {
-                    result0 = [result0, result1, result2, result3, result4, result5];
+                    result6 = parse_rd();
+                    if (result6 !== null) {
+                      result0 = [result0, result1, result2, result3, result4, result5, result6];
+                    } else {
+                      result0 = null;
+                      pos = clone(pos0);
+                    }
                   } else {
                     result0 = null;
                     pos = clone(pos0);
@@ -3373,6 +3385,36 @@ var parser = (function(){
         return result0;
       }
       
+      function parse_lb() {
+        var result0;
+        
+        if (input.charCodeAt(pos.offset) === 91) {
+          result0 = "[";
+          advance(pos, 1);
+        } else {
+          result0 = null;
+          if (reportFailures === 0) {
+            matchFailed("\"[\"");
+          }
+        }
+        return result0;
+      }
+      
+      function parse_rb() {
+        var result0;
+        
+        if (input.charCodeAt(pos.offset) === 93) {
+          result0 = "]";
+          advance(pos, 1);
+        } else {
+          result0 = null;
+          if (reportFailures === 0) {
+            matchFailed("\"]\"");
+          }
+        }
+        return result0;
+      }
+      
       function parse_eol() {
         var result0;
         
diff --git a/dust/src/main/resources/dust-full-mod-0.3.0.js b/dust/src/main/resources/dust-full-mod-0.3.0.js
deleted file mode 100644
index edcbb5d..0000000
--- a/dust/src/main/resources/dust-full-mod-0.3.0.js
+++ /dev/null
@@ -1,3209 +0,0 @@
-//
-// Dust - Asynchronous Templating v0.3.0
-// http://akdubya.github.com/dustjs
-//
-// Copyright (c) 2010, Aleksander Williams
-// Released under the MIT License.
-//
-var window = {};
-var dust = window.dust = {};
-
-(function(dust) {
-
-dust.cache = {};
-
-dust.register = function(name, tmpl) {
-  if (!name) return;
-  dust.cache[name] = tmpl;
-};
-
-dust.render = function(name, context, callback) {
-  var chunk = new Stub(callback).head;
-  dust.load(name, chunk, Context.wrap(context)).end();
-};
-
-dust.stream = function(name, context) {
-  var stream = new Stream();
-  dust.nextTick(function() {
-    dust.load(name, stream.head, Context.wrap(context)).end();
-  });
-  return stream;
-};
-
-dust.renderSource = function(source, context, callback) {
-  return dust.compileFn(source)(context, callback);
-};
-
-dust.compileFn = function(source, name) {
-  var tmpl = dust.loadSource(dust.compile(source, name));
-  return function(context, callback) {
-    var master = callback ? new Stub(callback) : new Stream();
-    dust.nextTick(function() {
-      tmpl(master.head, Context.wrap(context)).end();
-    });
-    return master;
-  }
-};
-
-dust.load = function(name, chunk, context) {
-  var tmpl = dust.cache[name];
-  if (tmpl) {
-    return tmpl(chunk, context);
-  } else {
-    if (dust.onLoad) {
-      return chunk.map(function(chunk) {
-        dust.onLoad(name, function(err, src) {
-          if (err) return chunk.setError(err);
-          if (!dust.cache[name]) dust.loadSource(dust.compile(src, name));
-          dust.cache[name](chunk, context).end();
-        });
-      });
-    }
-    return chunk.setError(new Error("Template Not Found: " + name));
-  }
-};
-
-dust.loadSource = function(source, path) {
-  return eval(source);
-};
-
-if (Array.isArray) {
-  dust.isArray = Array.isArray;
-} else {
-  dust.isArray = function(arr) {
-    return Object.prototype.toString.call(arr) == "[object Array]";
-  };
-}
-
-dust.nextTick = function(callback) {
-  setTimeout(callback, 0);
-}
-
-dust.isEmpty = function(value) {
-  if (dust.isArray(value) && !value.length) return true;
-  if (value === 0) return false;
-  return (!value);
-};
-
-dust.filter = function(string, auto, filters) {
-  if (filters) {
-    for (var i=0, len=filters.length; i<len; i++) {
-      var name = filters[i];
-      if (name === "s") {
-        auto = null;
-      } else {
-        string = dust.filters[name](string);
-      }
-    }
-  }
-  if (auto) {
-    string = dust.filters[auto](string);
-  }
-  return string;
-};
-
-dust.filters = {
-  h: function(value) { return dust.escapeHtml(value); },
-  j: function(value) { return dust.escapeJs(value); },
-  u: encodeURI,
-  uc: encodeURIComponent
-}
-
-function Context(stack, global, blocks) {
-  this.stack  = stack;
-  this.global = global;
-  this.blocks = blocks;
-}
-
-dust.makeBase = function(global) {
-  return new Context(new Stack(), global);
-}
-
-Context.wrap = function(context) {
-  if (context instanceof Context) {
-    return context;
-  }
-  return new Context(new Stack(context));
-}
-
-Context.prototype.get = function(key) {
-  var ctx = this.stack, value;
-
-  while(ctx) {
-    if (ctx.isObject) {
-      value = ctx.head[key];
-      if (!(value === undefined)) {
-        return value;
-      }
-    }
-    ctx = ctx.tail;
-  }
-  return this.global ? this.global[key] : undefined;
-};
-
-Context.prototype.getPath = function(cur, down) {
-  var ctx = this.stack,
-      len = down.length;
-
-  if (cur && len === 0) return ctx.head;
-  if (!ctx.isObject) return undefined;
-  ctx = ctx.head;
-  var i = 0;
-  while(ctx && i < len) {
-    ctx = ctx[down[i]];
-    i++;
-  }
-  return ctx;
-};
-
-Context.prototype.push = function(head, idx, len) {
-  return new Context(new Stack(head, this.stack, idx, len), this.global, this.blocks);
-};
-
-Context.prototype.rebase = function(head) {
-  return new Context(new Stack(head), this.global, this.blocks);
-};
-
-Context.prototype.current = function() {
-  return this.stack.head;
-};
-
-Context.prototype.getBlock = function(key) {
-  var blocks = this.blocks;
-
-  if (!blocks) return;
-  var len = blocks.length, fn;
-  while (len--) {
-    fn = blocks[len][key];
-    if (fn) return fn;
-  }
-}
-
-Context.prototype.shiftBlocks = function(locals) {
-  var blocks = this.blocks;
-
-  if (locals) {
-    if (!blocks) {
-      newBlocks = [locals];
-    } else {
-      newBlocks = blocks.concat([locals]);
-    }
-    return new Context(this.stack, this.global, newBlocks);
-  }
-  return this;
-}
-
-function Stack(head, tail, idx, len) {
-  this.tail = tail;
-  this.isObject = !dust.isArray(head) && head && typeof head === "object";
-  this.head = head;
-  this.index = idx;
-  this.of = len;
-}
-
-function Stub(callback) {
-  this.head = new Chunk(this);
-  this.callback = callback;
-  this.out = '';
-}
-
-Stub.prototype.flush = function() {
-  var chunk = this.head;
-
-  while (chunk) {
-    if (chunk.flushable) {
-      this.out += chunk.data;
-    } else if (chunk.error) {
-      this.callback(chunk.error);
-      this.flush = function() {};
-      return;
-    } else {
-      return;
-    }
-    chunk = chunk.next;
-    this.head = chunk;
-  }
-  this.callback(null, this.out);
-}
-
-function Stream() {
-  this.head = new Chunk(this);
-}
-
-Stream.prototype.flush = function() {
-  var chunk = this.head;
-
-  while(chunk) {
-    if (chunk.flushable) {
-      this.emit('data', chunk.data);
-    } else if (chunk.error) {
-      this.emit('error', chunk.error);
-      this.flush = function() {};
-      return;
-    } else {
-      return;
-    }
-    chunk = chunk.next;
-    this.head = chunk;
-  }
-  this.emit('end');
-}
-
-Stream.prototype.emit = function(type, data) {
-  var events = this.events;
-
-  if (events && events[type]) {
-    events[type](data);
-  }
-}
-
-Stream.prototype.on = function(type, callback) {
-  if (!this.events) {
-    this.events = {};
-  }
-  this.events[type] = callback;
-  return this;
-}
-
-function Chunk(root, next, taps) {
-  this.root = root;
-  this.next = next;
-  this.data = '';
-  this.flushable = false;
-  this.taps = taps;
-}
-
-Chunk.prototype.write = function(data) {
-  var taps  = this.taps;
-
-  if (taps) {
-    data = taps.go(data);
-  }
-  this.data += data;
-  return this;
-}
-
-Chunk.prototype.end = function(data) {
-  if (data) {
-    this.write(data);
-  }
-  this.flushable = true;
-  this.root.flush();
-  return this;
-}
-
-Chunk.prototype.map = function(callback) {
-  var cursor = new Chunk(this.root, this.next, this.taps),
-      branch = new Chunk(this.root, cursor, this.taps);
-
-  this.next = branch;
-  this.flushable = true;
-  callback(branch);
-  return cursor;
-}
-
-Chunk.prototype.tap = function(tap) {
-  var taps = this.taps;
-
-  if (taps) {
-    this.taps = taps.push(tap);
-  } else {
-    this.taps = new Tap(tap);
-  }
-  return this;
-}
-
-Chunk.prototype.untap = function() {
-  this.taps = this.taps.tail;
-  return this;
-}
-
-Chunk.prototype.render = function(body, context) {
-  return body(this, context);
-}
-
-Chunk.prototype.reference = function(elem, context, auto, filters) {
-  if (typeof elem === "function") {
-    elem = elem(this, context, null, {auto: auto, filters: filters});
-    if (elem instanceof Chunk) {
-      return elem;
-    }
-  }
-  if (!dust.isEmpty(elem)) {
-    return this.write(dust.filter(elem, auto, filters));
-  } else {
-    return this;
-  }
-};
-
-Chunk.prototype.section = function(elem, context, bodies, params) {
-  if (typeof elem === "function") {
-    elem = elem(this, context, bodies, params);
-    if (elem instanceof Chunk) {
-      return elem;
-    }
-  }
-
-  var body = bodies.block,
-      skip = bodies['else'];
-
-  if (params) {
-    context = context.push(params);
-  }
-
-  if (dust.isArray(elem)) {
-    if (body) {
-      var len = elem.length, chunk = this;
-      for (var i=0; i<len; i++) {
-        chunk = body(chunk, context.push(elem[i], i, len));
-      }
-      return chunk;
-    }
-  } else if (elem === true) {
-    if (body) return body(this, context);
-  } else if (elem || elem === 0) {
-    if (body) return body(this, context.push(elem));
-  } else if (skip) {
-    return skip(this, context);
-  }
-  return this;
-};
-
-Chunk.prototype.exists = function(elem, context, bodies) {
-  var body = bodies.block,
-      skip = bodies['else'];
-
-  if (!dust.isEmpty(elem)) {
-    if (body) return body(this, context);
-  } else if (skip) {
-    return skip(this, context);
-  }
-  return this;
-}
-
-Chunk.prototype.notexists = function(elem, context, bodies) {
-  var body = bodies.block,
-      skip = bodies['else'];
-
-  if (dust.isEmpty(elem)) {
-    if (body) return body(this, context);
-  } else if (skip) {
-    return skip(this, context);
-  }
-  return this;
-}
-
-Chunk.prototype.block = function(elem, context, bodies) {
-  var body = bodies.block;
-
-  if (elem) {
-    body = elem;
-  }
-
-  if (body) {
-    return body(this, context);
-  }
-  return this;
-};
-
-Chunk.prototype.partial = function(elem, context) {
-  if (typeof elem === "function") {
-    return this.capture(elem, context, function(name, chunk) {
-      dust.load(name, chunk, context).end();
-    });
-  }
-  return dust.load(elem, this, context);
-};
-
-Chunk.prototype.helper = function(name, context, bodies, params) {
-  return dust.helpers[name](this, context, bodies, params);
-};
-
-Chunk.prototype.capture = function(body, context, callback) {
-  return this.map(function(chunk) {
-    var stub = new Stub(function(err, out) {
-      if (err) {
-        chunk.setError(err);
-      } else {
-        callback(out, chunk);
-      }
-    });
-    body(stub.head, context).end();
-  });
-};
-
-Chunk.prototype.setError = function(err) {
-  this.error = err;
-  this.root.flush();
-  return this;
-};
-
-dust.helpers = {
-  sep: function(chunk, context, bodies) {
-    if (context.stack.index === context.stack.of - 1) {
-      return chunk;
-    }
-    return bodies.block(chunk, context);
-  },
-
-  idx: function(chunk, context, bodies) {
-    return bodies.block(chunk, context.push(context.stack.index));
-  }
-}
-
-function Tap(head, tail) {
-  this.head = head;
-  this.tail = tail;
-}
-
-Tap.prototype.push = function(tap) {
-  return new Tap(tap, this);
-};
-
-Tap.prototype.go = function(value) {
-  var tap = this;
-
-  while(tap) {
-    value = tap.head(value);
-    tap = tap.tail;
-  }
-  return value;
-};
-
-var HCHARS = new RegExp(/[&<>\"]/),
-    AMP    = /&/g,
-    LT     = /</g,
-    GT     = />/g,
-    QUOT   = /\"/g;
-
-dust.escapeHtml = function(s) {
-  if (typeof s === "string") {
-    if (!HCHARS.test(s)) {
-      return s;
-    }
-    return s.replace(AMP,'&amp;').replace(LT,'&lt;').replace(GT,'&gt;').replace(QUOT,'&quot;');
-  }
-  return s;
-};
-
-var BS = /\\/g,
-    CR = /\r/g,
-    LS = /\u2028/g,
-    PS = /\u2029/g,
-    NL = /\n/g,
-    LF = /\f/g,
-    SQ = /'/g,
-    DQ = /"/g,
-    TB = /\t/g;
-
-dust.escapeJs = function(s) {
-  if (typeof s === "string") {
-    return s
-      .replace(BS, '\\\\')
-      .replace(DQ, '\\"')
-      .replace(SQ, "\\'")
-      .replace(CR, '\\r')
-      .replace(LS, '\\u2028')
-      .replace(PS, '\\u2029')
-      .replace(NL, '\\n')
-      .replace(LF, '\\f')
-      .replace(TB, "\\t");
-  }
-  return s;
-};
-
-})(dust);
-
-if (typeof exports !== "undefined") {
-  if (typeof process !== "undefined") {
-      require('./server')(dust);
-  }
-  module.exports = dust;
-}
-(function(dust) {
-
-dust.compile = function(source, name) {
-  var ast = filterAST(dust.parse(source));
-  return compile(ast, name);
-};
-
-function filterAST(ast) {
-  var context = {};
-  return dust.filterNode(context, ast);
-}
-
-dust.filterNode = function(context, node) {
-  return dust.optimizers[node[0]](context, node);
-}
-
-dust.optimizers = {
-  body:      compactBuffers,
-  buffer:    noop,
-  special:   convertSpecial,
-  format:    nullify,        // TODO: convert format
-  reference: visit,
-  "#":       visit,
-  "?":       visit,
-  "^":       visit,
-  "<":       visit,
-  "+":       visit,
-  "@":       visit,
-  "%":       visit,
-  partial:   visit,
-  context:   visit,
-  params:    visit,
-  bodies:    visit,
-  param:     visit,
-  filters:   noop,
-  key:       noop,
-  path:      noop,
-  literal:   noop,
-  comment:   nullify
-}
-
-dust.pragmas = {
-  esc: function(compiler, context, bodies, params) {
-    var old = compiler.auto;
-    if (!context) context = 'h';
-    compiler.auto = (context === 's') ? '' : context;
-    var out = compileParts(compiler, bodies.block);
-    compiler.auto = old;
-    return out;
-  }
-}
-
-function visit(context, node) {
-  var out = [node[0]];
-  for (var i=1, len=node.length; i<len; i++) {
-    var res = dust.filterNode(context, node[i]);
-    if (res) out.push(res);
-  }
-  return out;
-}
-
-// Compacts consecutive buffer nodes into a single node
-function compactBuffers(context, node) {
-  var out = [node[0]], memo;
-  for (var i=1, len=node.length; i<len; i++) {
-    var res = dust.filterNode(context, node[i]);
-    if (res) {
-      if (res[0] === 'buffer') {
-        if (memo) {
-          memo[1] += res[1];
-        } else {
-          memo = res;
-          out.push(res);
-        }
-      } else {
-        memo = null;
-        out.push(res);
-      }
-    }
-  }
-  return out;
-}
-
-var specialChars = {
-  "s": " ",
-  "n": "\n",
-  "r": "\r",
-  "lb": "{",
-  "rb": "}"
-};
-
-function convertSpecial(context, node) { return ['buffer', specialChars[node[1]]] }
-function noop(context, node) { return node }
-function nullify(){}
-
-function compile(ast, name) {
-  var context = {
-    name: name,
-    bodies: [],
-    blocks: {},
-    index: 0,
-    auto: "h"
-  }
-
-  return "(function(){dust.register("
-    + (name ? "\"" + name + "\"" : "null") + ","
-    + dust.compileNode(context, ast)
-    + ");"
-    + compileBlocks(context)
-    + compileBodies(context)
-    + "return body_0;"
-    + "})();";
-}
-
-function compileBlocks(context) {
-  var out = [],
-      blocks = context.blocks;
-
-  for (var name in blocks) {
-    out.push(name + ":" + blocks[name]);
-  }
-  if (out.length) {
-    context.blocks = "ctx=ctx.shiftBlocks(blocks);";
-    return "var blocks={" + out.join(',') + "};";
-  }
-  return context.blocks = "";
-}
-
-function compileBodies(context) {
-  var out = [],
-      bodies = context.bodies,
-      blx = context.blocks;
-
-  for (var i=0, len=bodies.length; i<len; i++) {
-    out[i] = "function body_" + i + "(chk,ctx){"
-      + blx + "return chk" + bodies[i] + ";}";
-  }
-  return out.join('');
-}
-
-function compileParts(context, body) {
-  var parts = '';
-  for (var i=1, len=body.length; i<len; i++) {
-    parts += dust.compileNode(context, body[i]);
-  }
-  return parts;
-}
-
-dust.compileNode = function(context, node) {
-  return dust.nodes[node[0]](context, node);
-}
-
-dust.nodes = {
-  body: function(context, node) {
-    var id = context.index++, name = "body_" + id;
-    context.bodies[id] = compileParts(context, node);
-    return name;
-  },
-
-  buffer: function(context, node) {
-    return ".write(" + escape(node[1]) + ")";
-  },
-
-  format: function(context, node) {
-    return ".write(" + escape(node[1] + node[2]) + ")";
-  },
-
-  reference: function(context, node) {
-    return ".reference(" + dust.compileNode(context, node[1])
-      + ",ctx," + dust.compileNode(context, node[2]) + ")";
-  },
-
-  "#": function(context, node) {
-    return compileSection(context, node, "section");
-  },
-
-  "?": function(context, node) {
-    return compileSection(context, node, "exists");
-  },
-
-  "^": function(context, node) {
-    return compileSection(context, node, "notexists");
-  },
-
-  "<": function(context, node) {
-    var bodies = node[4];
-    for (var i=1, len=bodies.length; i<len; i++) {
-      var param = bodies[i],
-          type = param[1][1];
-      if (type === "block") {
-        context.blocks[node[1].text] = dust.compileNode(context, param[2]);
-        return '';
-      }
-    }
-    return '';
-  },
-
-  "+": function(context, node) {
-    return ".block(ctx.getBlock("
-      + escape(node[1].text)
-      + ")," + dust.compileNode(context, node[2]) + ","
-      + dust.compileNode(context, node[4]) + ","
-      + dust.compileNode(context, node[3])
-      + ")";
-  },
-
-  "@": function(context, node) {
-    return ".helper("
-      + escape(node[1].text)
-      + "," + dust.compileNode(context, node[2]) + ","
-      + dust.compileNode(context, node[4]) + ","
-      + dust.compileNode(context, node[3])
-      + ")";
-  },
-
-  "%": function(context, node) {
-    // TODO: Move these hacks into pragma precompiler
-    var name = node[1][1];
-    if (!dust.pragmas[name]) return '';
-
-    var rawBodies = node[4];
-    var bodies = {};
-    for (var i=1, len=rawBodies.length; i<len; i++) {
-      var b = rawBodies[i];
-      bodies[b[1][1]] = b[2];
-    }
-
-    var rawParams = node[3];
-    var params = {};
-    for (var i=1, len=rawParams.length; i<len; i++) {
-      var p = rawParams[i];
-      params[p[1][1]] = p[2][1];
-    }
-
-    var ctx = node[2][1] ? node[2][1].text : null;
-
-    return dust.pragmas[name](context, ctx, bodies, params);
-  },
-
-  partial: function(context, node) {
-    return ".partial("
-      + dust.compileNode(context, node[1])
-      + "," + dust.compileNode(context, node[2]) + ")";
-  },
-
-  context: function(context, node) {
-    if (node[1]) {
-      return "ctx.rebase(" + dust.compileNode(context, node[1]) + ")";
-    }
-    return "ctx";
-  },
-
-  params: function(context, node) {
-    var out = [];
-    for (var i=1, len=node.length; i<len; i++) {
-      out.push(dust.compileNode(context, node[i]));
-    }
-    if (out.length) {
-      return "{" + out.join(',') + "}";
-    }
-    return "null";
-  },
-
-  bodies: function(context, node) {
-    var out = [];
-    for (var i=1, len=node.length; i<len; i++) {
-      out.push(dust.compileNode(context, node[i]));
-    }
-    return "{" + out.join(',') + "}";
-  },
-
-  param: function(context, node) {
-    return dust.compileNode(context, node[1]) + ":" + dust.compileNode(context, node[2]);
-  },
-
-  filters: function(context, node) {
-    var list = [];
-    for (var i=1, len=node.length; i<len; i++) {
-      var filter = node[i];
-      list.push("\"" + filter + "\"");
-    }
-    return "\"" + context.auto + "\""
-      + (list.length ? ",[" + list.join(',') + "]" : '');
-  },
-
-  key: function(context, node) {
-    return "ctx.get(\"" + node[1] + "\")";
-  },
-
-  path: function(context, node) {
-    var current = node[1],
-        keys = node[2],
-        list = [];
-
-    for (var i=0,len=keys.length; i<len; i++) {
-      list.push("\"" + keys[i] + "\"");
-    }
-    return "ctx.getPath(" + current + ",[" + list.join(',') + "])";
-  },
-
-  literal: function(context, node) {
-    return escape(node[1]);
-  }
-}
-
-function compileSection(context, node, cmd) {
-  return "." + cmd + "("
-    + dust.compileNode(context, node[1])
-    + "," + dust.compileNode(context, node[2]) + ","
-    + dust.compileNode(context, node[4]) + ","
-    + dust.compileNode(context, node[3])
-    + ")";
-}
-
-var escape = (typeof JSON === "undefined")
-  ? function(str) { return "\"" + dust.escapeJs(str) + "\"" }
-  : JSON.stringify;
-
-})(typeof exports !== 'undefined' ? exports : window.dust);
-(function(dust){
-
-var parser = (function(){
-  /* Generated by PEG.js (http://pegjs.majda.cz/). */
-  
-  var result = {
-    /*
-     * Parses the input with a generated parser. If the parsing is successfull,
-     * returns a value explicitly or implicitly specified by the grammar from
-     * which the parser was generated (see |PEG.buildParser|). If the parsing is
-     * unsuccessful, throws |PEG.parser.SyntaxError| describing the error.
-     */
-    parse: function(input) {
-      var pos = 0;
-      var reportMatchFailures = true;
-      var rightmostMatchFailuresPos = 0;
-      var rightmostMatchFailuresExpected = [];
-      var cache = {};
-      
-      function padLeft(input, padding, length) {
-        var result = input;
-        
-        var padLength = length - input.length;
-        for (var i = 0; i < padLength; i++) {
-          result = padding + result;
-        }
-        
-        return result;
-      }
-      
-      function escape(ch) {
-        var charCode = ch.charCodeAt(0);
-        
-        if (charCode < 0xFF) {
-          var escapeChar = 'x';
-          var length = 2;
-        } else {
-          var escapeChar = 'u';
-          var length = 4;
-        }
-        
-        return '\\' + escapeChar + padLeft(charCode.toString(16).toUpperCase(), '0', length);
-      }
-      
-      function quote(s) {
-        /*
-         * ECMA-262, 5th ed., 7.8.4: All characters may appear literally in a
-         * string literal except for the closing quote character, backslash,
-         * carriage return, line separator, paragraph separator, and line feed.
-         * Any character may appear in the form of an escape sequence.
-         */
-        return '"' + s
-          .replace(/\\/g, '\\\\')            // backslash
-          .replace(/"/g, '\\"')              // closing quote character
-          .replace(/\r/g, '\\r')             // carriage return
-          .replace(/\n/g, '\\n')             // line feed
-          .replace(/[\x80-\uFFFF]/g, escape) // non-ASCII characters
-          + '"';
-      }
-      
-      function matchFailed(failure) {
-        if (pos < rightmostMatchFailuresPos) {
-          return;
-        }
-        
-        if (pos > rightmostMatchFailuresPos) {
-          rightmostMatchFailuresPos = pos;
-          rightmostMatchFailuresExpected = [];
-        }
-        
-        rightmostMatchFailuresExpected.push(failure);
-      }
-      
-      function parse_body() {
-        var cacheKey = "body" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        
-        var result1 = [];
-        var result2 = parse_part();
-        while (result2 !== null) {
-          result1.push(result2);
-          var result2 = parse_part();
-        }
-        var result0 = result1 !== null
-          ? (function(p) { return ["body"].concat(p) })(result1)
-          : null;
-        
-        
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_part() {
-        var cacheKey = "part" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        
-        var result6 = parse_comment();
-        if (result6 !== null) {
-          var result0 = result6;
-        } else {
-          var result5 = parse_section();
-          if (result5 !== null) {
-            var result0 = result5;
-          } else {
-            var result4 = parse_partial();
-            if (result4 !== null) {
-              var result0 = result4;
-            } else {
-              var result3 = parse_special();
-              if (result3 !== null) {
-                var result0 = result3;
-              } else {
-                var result2 = parse_reference();
-                if (result2 !== null) {
-                  var result0 = result2;
-                } else {
-                  var result1 = parse_buffer();
-                  if (result1 !== null) {
-                    var result0 = result1;
-                  } else {
-                    var result0 = null;;
-                  };
-                };
-              };
-            };
-          };
-        }
-        
-        
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_section() {
-        var cacheKey = "section" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var savedReportMatchFailures = reportMatchFailures;
-        reportMatchFailures = false;
-        var savedPos1 = pos;
-        var result8 = parse_sec_tag_start();
-        if (result8 !== null) {
-          var result9 = parse_rd();
-          if (result9 !== null) {
-            var result10 = parse_body();
-            if (result10 !== null) {
-              var result11 = parse_bodies();
-              if (result11 !== null) {
-                var result12 = parse_end_tag();
-                if (result12 !== null) {
-                  var result13 = (function() {return result8[1].text === result12.text})() ? '' : null;
-                  if (result13 !== null) {
-                    var result7 = [result8, result9, result10, result11, result12, result13];
-                  } else {
-                    var result7 = null;
-                    pos = savedPos1;
-                  }
-                } else {
-                  var result7 = null;
-                  pos = savedPos1;
-                }
-              } else {
-                var result7 = null;
-                pos = savedPos1;
-              }
-            } else {
-              var result7 = null;
-              pos = savedPos1;
-            }
-          } else {
-            var result7 = null;
-            pos = savedPos1;
-          }
-        } else {
-          var result7 = null;
-          pos = savedPos1;
-        }
-        var result6 = result7 !== null
-          ? (function(t, b, e, n) { e.push(["param", ["literal", "block"], b]); t.push(e); return t })(result7[0], result7[2], result7[3], result7[4])
-          : null;
-        if (result6 !== null) {
-          var result0 = result6;
-        } else {
-          var savedPos0 = pos;
-          var result3 = parse_sec_tag_start();
-          if (result3 !== null) {
-            if (input.substr(pos, 1) === "/") {
-              var result4 = "/";
-              pos += 1;
-            } else {
-              var result4 = null;
-              if (reportMatchFailures) {
-                matchFailed("\"/\"");
-              }
-            }
-            if (result4 !== null) {
-              var result5 = parse_rd();
-              if (result5 !== null) {
-                var result2 = [result3, result4, result5];
-              } else {
-                var result2 = null;
-                pos = savedPos0;
-              }
-            } else {
-              var result2 = null;
-              pos = savedPos0;
-            }
-          } else {
-            var result2 = null;
-            pos = savedPos0;
-          }
-          var result1 = result2 !== null
-            ? (function(t) { t.push(["bodies"]); return t })(result2[0])
-            : null;
-          if (result1 !== null) {
-            var result0 = result1;
-          } else {
-            var result0 = null;;
-          };
-        }
-        reportMatchFailures = savedReportMatchFailures;
-        if (reportMatchFailures && result0 === null) {
-          matchFailed("section");
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_sec_tag_start() {
-        var cacheKey = "sec_tag_start" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        
-        var savedPos0 = pos;
-        var result2 = parse_ld();
-        if (result2 !== null) {
-          if (input.substr(pos).match(/^[#?^<+@%]/) !== null) {
-            var result3 = input.charAt(pos);
-            pos++;
-          } else {
-            var result3 = null;
-            if (reportMatchFailures) {
-              matchFailed("[#?^<+@%]");
-            }
-          }
-          if (result3 !== null) {
-            var result4 = parse_identifier();
-            if (result4 !== null) {
-              var result5 = parse_context();
-              if (result5 !== null) {
-                var result6 = parse_params();
-                if (result6 !== null) {
-                  var result1 = [result2, result3, result4, result5, result6];
-                } else {
-                  var result1 = null;
-                  pos = savedPos0;
-                }
-              } else {
-                var result1 = null;
-                pos = savedPos0;
-              }
-            } else {
-              var result1 = null;
-              pos = savedPos0;
-            }
-          } else {
-            var result1 = null;
-            pos = savedPos0;
-          }
-        } else {
-          var result1 = null;
-          pos = savedPos0;
-        }
-        var result0 = result1 !== null
-          ? (function(t, n, c, p) { return [t, n, c, p] })(result1[1], result1[2], result1[3], result1[4])
-          : null;
-        
-        
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_end_tag() {
-        var cacheKey = "end_tag" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var savedReportMatchFailures = reportMatchFailures;
-        reportMatchFailures = false;
-        var savedPos0 = pos;
-        var result2 = parse_ld();
-        if (result2 !== null) {
-          if (input.substr(pos, 1) === "/") {
-            var result3 = "/";
-            pos += 1;
-          } else {
-            var result3 = null;
-            if (reportMatchFailures) {
-              matchFailed("\"/\"");
-            }
-          }
-          if (result3 !== null) {
-            var result4 = parse_identifier();
-            if (result4 !== null) {
-              var result5 = parse_rd();
-              if (result5 !== null) {
-                var result1 = [result2, result3, result4, result5];
-              } else {
-                var result1 = null;
-                pos = savedPos0;
-              }
-            } else {
-              var result1 = null;
-              pos = savedPos0;
-            }
-          } else {
-            var result1 = null;
-            pos = savedPos0;
-          }
-        } else {
-          var result1 = null;
-          pos = savedPos0;
-        }
-        var result0 = result1 !== null
-          ? (function(n) { return n })(result1[2])
-          : null;
-        reportMatchFailures = savedReportMatchFailures;
-        if (reportMatchFailures && result0 === null) {
-          matchFailed("end tag");
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_context() {
-        var cacheKey = "context" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        
-        var savedPos0 = pos;
-        if (input.substr(pos, 1) === ":") {
-          var result4 = ":";
-          pos += 1;
-        } else {
-          var result4 = null;
-          if (reportMatchFailures) {
-            matchFailed("\":\"");
-          }
-        }
-        if (result4 !== null) {
-          var result5 = parse_identifier();
-          if (result5 !== null) {
-            var result3 = [result4, result5];
-          } else {
-            var result3 = null;
-            pos = savedPos0;
-          }
-        } else {
-          var result3 = null;
-          pos = savedPos0;
-        }
-        var result2 = result3 !== null
-          ? (function(n) {return n})(result3[1])
-          : null;
-        var result1 = result2 !== null ? result2 : '';
-        var result0 = result1 !== null
-          ? (function(n) { return n ? ["context", n] : ["context"] })(result1)
-          : null;
-        
-        
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_params() {
-        var cacheKey = "params" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var savedReportMatchFailures = reportMatchFailures;
-        reportMatchFailures = false;
-        var result1 = [];
-        var savedPos0 = pos;
-        var result4 = parse_ws();
-        if (result4 !== null) {
-          var result5 = parse_key();
-          if (result5 !== null) {
-            if (input.substr(pos, 1) === "=") {
-              var result6 = "=";
-              pos += 1;
-            } else {
-              var result6 = null;
-              if (reportMatchFailures) {
-                matchFailed("\"=\"");
-              }
-            }
-            if (result6 !== null) {
-              var result9 = parse_identifier();
-              if (result9 !== null) {
-                var result7 = result9;
-              } else {
-                var result8 = parse_inline();
-                if (result8 !== null) {
-                  var result7 = result8;
-                } else {
-                  var result7 = null;;
-                };
-              }
-              if (result7 !== null) {
-                var result3 = [result4, result5, result6, result7];
-              } else {
-                var result3 = null;
-                pos = savedPos0;
-              }
-            } else {
-              var result3 = null;
-              pos = savedPos0;
-            }
-          } else {
-            var result3 = null;
-            pos = savedPos0;
-          }
-        } else {
-          var result3 = null;
-          pos = savedPos0;
-        }
-        var result2 = result3 !== null
-          ? (function(k, v) {return ["param", ["literal", k], v]})(result3[1], result3[3])
-          : null;
-        while (result2 !== null) {
-          result1.push(result2);
-          var savedPos0 = pos;
-          var result4 = parse_ws();
-          if (result4 !== null) {
-            var result5 = parse_key();
-            if (result5 !== null) {
-              if (input.substr(pos, 1) === "=") {
-                var result6 = "=";
-                pos += 1;
-              } else {
-                var result6 = null;
-                if (reportMatchFailures) {
-                  matchFailed("\"=\"");
-                }
-              }
-              if (result6 !== null) {
-                var result9 = parse_identifier();
-                if (result9 !== null) {
-                  var result7 = result9;
-                } else {
-                  var result8 = parse_inline();
-                  if (result8 !== null) {
-                    var result7 = result8;
-                  } else {
-                    var result7 = null;;
-                  };
-                }
-                if (result7 !== null) {
-                  var result3 = [result4, result5, result6, result7];
-                } else {
-                  var result3 = null;
-                  pos = savedPos0;
-                }
-              } else {
-                var result3 = null;
-                pos = savedPos0;
-              }
-            } else {
-              var result3 = null;
-              pos = savedPos0;
-            }
-          } else {
-            var result3 = null;
-            pos = savedPos0;
-          }
-          var result2 = result3 !== null
-            ? (function(k, v) {return ["param", ["literal", k], v]})(result3[1], result3[3])
-            : null;
-        }
-        var result0 = result1 !== null
-          ? (function(p) { return ["params"].concat(p) })(result1)
-          : null;
-        reportMatchFailures = savedReportMatchFailures;
-        if (reportMatchFailures && result0 === null) {
-          matchFailed("params");
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_bodies() {
-        var cacheKey = "bodies" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var savedReportMatchFailures = reportMatchFailures;
-        reportMatchFailures = false;
-        var result1 = [];
-        var savedPos0 = pos;
-        var result4 = parse_ld();
-        if (result4 !== null) {
-          if (input.substr(pos, 1) === ":") {
-            var result5 = ":";
-            pos += 1;
-          } else {
-            var result5 = null;
-            if (reportMatchFailures) {
-              matchFailed("\":\"");
-            }
-          }
-          if (result5 !== null) {
-            var result6 = parse_key();
-            if (result6 !== null) {
-              var result7 = parse_rd();
-              if (result7 !== null) {
-                var result8 = parse_body();
-                if (result8 !== null) {
-                  var result3 = [result4, result5, result6, result7, result8];
-                } else {
-                  var result3 = null;
-                  pos = savedPos0;
-                }
-              } else {
-                var result3 = null;
-                pos = savedPos0;
-              }
-            } else {
-              var result3 = null;
-              pos = savedPos0;
-            }
-          } else {
-            var result3 = null;
-            pos = savedPos0;
-          }
-        } else {
-          var result3 = null;
-          pos = savedPos0;
-        }
-        var result2 = result3 !== null
-          ? (function(k, v) {return ["param", ["literal", k], v]})(result3[2], result3[4])
-          : null;
-        while (result2 !== null) {
-          result1.push(result2);
-          var savedPos0 = pos;
-          var result4 = parse_ld();
-          if (result4 !== null) {
-            if (input.substr(pos, 1) === ":") {
-              var result5 = ":";
-              pos += 1;
-            } else {
-              var result5 = null;
-              if (reportMatchFailures) {
-                matchFailed("\":\"");
-              }
-            }
-            if (result5 !== null) {
-              var result6 = parse_key();
-              if (result6 !== null) {
-                var result7 = parse_rd();
-                if (result7 !== null) {
-                  var result8 = parse_body();
-                  if (result8 !== null) {
-                    var result3 = [result4, result5, result6, result7, result8];
-                  } else {
-                    var result3 = null;
-                    pos = savedPos0;
-                  }
-                } else {
-                  var result3 = null;
-                  pos = savedPos0;
-                }
-              } else {
-                var result3 = null;
-                pos = savedPos0;
-              }
-            } else {
-              var result3 = null;
-              pos = savedPos0;
-            }
-          } else {
-            var result3 = null;
-            pos = savedPos0;
-          }
-          var result2 = result3 !== null
-            ? (function(k, v) {return ["param", ["literal", k], v]})(result3[2], result3[4])
-            : null;
-        }
-        var result0 = result1 !== null
-          ? (function(p) { return ["bodies"].concat(p) })(result1)
-          : null;
-        reportMatchFailures = savedReportMatchFailures;
-        if (reportMatchFailures && result0 === null) {
-          matchFailed("bodies");
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_reference() {
-        var cacheKey = "reference" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var savedReportMatchFailures = reportMatchFailures;
-        reportMatchFailures = false;
-        var savedPos0 = pos;
-        var result2 = parse_ld();
-        if (result2 !== null) {
-          var result3 = parse_identifier();
-          if (result3 !== null) {
-            var result4 = parse_filters();
-            if (result4 !== null) {
-              var result5 = parse_rd();
-              if (result5 !== null) {
-                var result1 = [result2, result3, result4, result5];
-              } else {
-                var result1 = null;
-                pos = savedPos0;
-              }
-            } else {
-              var result1 = null;
-              pos = savedPos0;
-            }
-          } else {
-            var result1 = null;
-            pos = savedPos0;
-          }
-        } else {
-          var result1 = null;
-          pos = savedPos0;
-        }
-        var result0 = result1 !== null
-          ? (function(n, f) { return ["reference", n, f] })(result1[1], result1[2])
-          : null;
-        reportMatchFailures = savedReportMatchFailures;
-        if (reportMatchFailures && result0 === null) {
-          matchFailed("reference");
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_partial() {
-        var cacheKey = "partial" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var savedReportMatchFailures = reportMatchFailures;
-        reportMatchFailures = false;
-        var savedPos0 = pos;
-        var result2 = parse_ld();
-        if (result2 !== null) {
-          if (input.substr(pos, 1) === ">") {
-            var result3 = ">";
-            pos += 1;
-          } else {
-            var result3 = null;
-            if (reportMatchFailures) {
-              matchFailed("\">\"");
-            }
-          }
-          if (result3 !== null) {
-            var result10 = parse_key();
-            var result9 = result10 !== null
-              ? (function(k) {return ["literal", k]})(result10)
-              : null;
-            if (result9 !== null) {
-              var result4 = result9;
-            } else {
-              var result8 = parse_inline();
-              if (result8 !== null) {
-                var result4 = result8;
-              } else {
-                var result4 = null;;
-              };
-            }
-            if (result4 !== null) {
-              var result5 = parse_context();
-              if (result5 !== null) {
-                if (input.substr(pos, 1) === "/") {
-                  var result6 = "/";
-                  pos += 1;
-                } else {
-                  var result6 = null;
-                  if (reportMatchFailures) {
-                    matchFailed("\"/\"");
-                  }
-                }
-                if (result6 !== null) {
-                  var result7 = parse_rd();
-                  if (result7 !== null) {
-                    var result1 = [result2, result3, result4, result5, result6, result7];
-                  } else {
-                    var result1 = null;
-                    pos = savedPos0;
-                  }
-                } else {
-                  var result1 = null;
-                  pos = savedPos0;
-                }
-              } else {
-                var result1 = null;
-                pos = savedPos0;
-              }
-            } else {
-              var result1 = null;
-              pos = savedPos0;
-            }
-          } else {
-            var result1 = null;
-            pos = savedPos0;
-          }
-        } else {
-          var result1 = null;
-          pos = savedPos0;
-        }
-        var result0 = result1 !== null
-          ? (function(n, c) { return ["partial", n, c] })(result1[2], result1[3])
-          : null;
-        reportMatchFailures = savedReportMatchFailures;
-        if (reportMatchFailures && result0 === null) {
-          matchFailed("partial");
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_filters() {
-        var cacheKey = "filters" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var savedReportMatchFailures = reportMatchFailures;
-        reportMatchFailures = false;
-        var result1 = [];
-        var savedPos0 = pos;
-        if (input.substr(pos, 1) === "|") {
-          var result4 = "|";
-          pos += 1;
-        } else {
-          var result4 = null;
-          if (reportMatchFailures) {
-            matchFailed("\"|\"");
-          }
-        }
-        if (result4 !== null) {
-          var result5 = parse_key();
-          if (result5 !== null) {
-            var result3 = [result4, result5];
-          } else {
-            var result3 = null;
-            pos = savedPos0;
-          }
-        } else {
-          var result3 = null;
-          pos = savedPos0;
-        }
-        var result2 = result3 !== null
-          ? (function(n) {return n})(result3[1])
-          : null;
-        while (result2 !== null) {
-          result1.push(result2);
-          var savedPos0 = pos;
-          if (input.substr(pos, 1) === "|") {
-            var result4 = "|";
-            pos += 1;
-          } else {
-            var result4 = null;
-            if (reportMatchFailures) {
-              matchFailed("\"|\"");
-            }
-          }
-          if (result4 !== null) {
-            var result5 = parse_key();
-            if (result5 !== null) {
-              var result3 = [result4, result5];
-            } else {
-              var result3 = null;
-              pos = savedPos0;
-            }
-          } else {
-            var result3 = null;
-            pos = savedPos0;
-          }
-          var result2 = result3 !== null
-            ? (function(n) {return n})(result3[1])
-            : null;
-        }
-        var result0 = result1 !== null
-          ? (function(f) { return ["filters"].concat(f) })(result1)
-          : null;
-        reportMatchFailures = savedReportMatchFailures;
-        if (reportMatchFailures && result0 === null) {
-          matchFailed("filters");
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_special() {
-        var cacheKey = "special" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var savedReportMatchFailures = reportMatchFailures;
-        reportMatchFailures = false;
-        var savedPos0 = pos;
-        var result2 = parse_ld();
-        if (result2 !== null) {
-          if (input.substr(pos, 1) === "~") {
-            var result3 = "~";
-            pos += 1;
-          } else {
-            var result3 = null;
-            if (reportMatchFailures) {
-              matchFailed("\"~\"");
-            }
-          }
-          if (result3 !== null) {
-            var result4 = parse_key();
-            if (result4 !== null) {
-              var result5 = parse_rd();
-              if (result5 !== null) {
-                var result1 = [result2, result3, result4, result5];
-              } else {
-                var result1 = null;
-                pos = savedPos0;
-              }
-            } else {
-              var result1 = null;
-              pos = savedPos0;
-            }
-          } else {
-            var result1 = null;
-            pos = savedPos0;
-          }
-        } else {
-          var result1 = null;
-          pos = savedPos0;
-        }
-        var result0 = result1 !== null
-          ? (function(k) { return ["special", k] })(result1[2])
-          : null;
-        reportMatchFailures = savedReportMatchFailures;
-        if (reportMatchFailures && result0 === null) {
-          matchFailed("special");
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_identifier() {
-        var cacheKey = "identifier" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var savedReportMatchFailures = reportMatchFailures;
-        reportMatchFailures = false;
-        var result4 = parse_path();
-        var result3 = result4 !== null
-          ? (function(p) { return wrap(["path"].concat(p), cacheKey) })(result4)
-          : null;
-        if (result3 !== null) {
-          var result0 = result3;
-        } else {
-          var result2 = parse_key();
-          var result1 = result2 !== null
-            ? (function(k) { return wrap(["key", k], cacheKey) })(result2)
-            : null;
-          if (result1 !== null) {
-            var result0 = result1;
-          } else {
-            var result0 = null;;
-          };
-        }
-        reportMatchFailures = savedReportMatchFailures;
-        if (reportMatchFailures && result0 === null) {
-          matchFailed("identifier");
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_path() {
-        var cacheKey = "path" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var savedReportMatchFailures = reportMatchFailures;
-        reportMatchFailures = false;
-        var savedPos0 = pos;
-        var result11 = parse_key();
-        var result5 = result11 !== null ? result11 : '';
-        if (result5 !== null) {
-          var savedPos1 = pos;
-          if (input.substr(pos, 1) === ".") {
-            var result9 = ".";
-            pos += 1;
-          } else {
-            var result9 = null;
-            if (reportMatchFailures) {
-              matchFailed("\".\"");
-            }
-          }
-          if (result9 !== null) {
-            var result10 = parse_key();
-            if (result10 !== null) {
-              var result8 = [result9, result10];
-            } else {
-              var result8 = null;
-              pos = savedPos1;
-            }
-          } else {
-            var result8 = null;
-            pos = savedPos1;
-          }
-          var result7 = result8 !== null
-            ? (function(k) {return k})(result8[1])
-            : null;
-          if (result7 !== null) {
-            var result6 = [];
-            while (result7 !== null) {
-              result6.push(result7);
-              var savedPos1 = pos;
-              if (input.substr(pos, 1) === ".") {
-                var result9 = ".";
-                pos += 1;
-              } else {
-                var result9 = null;
-                if (reportMatchFailures) {
-                  matchFailed("\".\"");
-                }
-              }
-              if (result9 !== null) {
-                var result10 = parse_key();
-                if (result10 !== null) {
-                  var result8 = [result9, result10];
-                } else {
-                  var result8 = null;
-                  pos = savedPos1;
-                }
-              } else {
-                var result8 = null;
-                pos = savedPos1;
-              }
-              var result7 = result8 !== null
-                ? (function(k) {return k})(result8[1])
-                : null;
-            }
-          } else {
-            var result6 = null;
-          }
-          if (result6 !== null) {
-            var result4 = [result5, result6];
-          } else {
-            var result4 = null;
-            pos = savedPos0;
-          }
-        } else {
-          var result4 = null;
-          pos = savedPos0;
-        }
-        var result3 = result4 !== null
-          ? (function(k, d) {
-              if (k) { d.unshift(k); return [false, d]; }
-              return [true, d];
-            })(result4[0], result4[1])
-          : null;
-        if (result3 !== null) {
-          var result0 = result3;
-        } else {
-          if (input.substr(pos, 1) === ".") {
-            var result2 = ".";
-            pos += 1;
-          } else {
-            var result2 = null;
-            if (reportMatchFailures) {
-              matchFailed("\".\"");
-            }
-          }
-          var result1 = result2 !== null
-            ? (function() { return [true, []] })()
-            : null;
-          if (result1 !== null) {
-            var result0 = result1;
-          } else {
-            var result0 = null;;
-          };
-        }
-        reportMatchFailures = savedReportMatchFailures;
-        if (reportMatchFailures && result0 === null) {
-          matchFailed("path");
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_key() {
-        var cacheKey = "key" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var savedReportMatchFailures = reportMatchFailures;
-        reportMatchFailures = false;
-        var savedPos0 = pos;
-        if (input.substr(pos).match(/^[a-zA-Z_$]/) !== null) {
-          var result2 = input.charAt(pos);
-          pos++;
-        } else {
-          var result2 = null;
-          if (reportMatchFailures) {
-            matchFailed("[a-zA-Z_$]");
-          }
-        }
-        if (result2 !== null) {
-          var result3 = [];
-          if (input.substr(pos).match(/^[0-9a-zA-Z_$]/) !== null) {
-            var result4 = input.charAt(pos);
-            pos++;
-          } else {
-            var result4 = null;
-            if (reportMatchFailures) {
-              matchFailed("[0-9a-zA-Z_$]");
-            }
-          }
-          while (result4 !== null) {
-            result3.push(result4);
-            if (input.substr(pos).match(/^[0-9a-zA-Z_$]/) !== null) {
-              var result4 = input.charAt(pos);
-              pos++;
-            } else {
-              var result4 = null;
-              if (reportMatchFailures) {
-                matchFailed("[0-9a-zA-Z_$]");
-              }
-            }
-          }
-          if (result3 !== null) {
-            var result1 = [result2, result3];
-          } else {
-            var result1 = null;
-            pos = savedPos0;
-          }
-        } else {
-          var result1 = null;
-          pos = savedPos0;
-        }
-        var result0 = result1 !== null
-          ? (function(h, t) { return h + t.join('') })(result1[0], result1[1])
-          : null;
-        reportMatchFailures = savedReportMatchFailures;
-        if (reportMatchFailures && result0 === null) {
-          matchFailed("key");
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_inline() {
-        var cacheKey = "inline" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var savedReportMatchFailures = reportMatchFailures;
-        reportMatchFailures = false;
-        var savedPos2 = pos;
-        if (input.substr(pos, 1) === "\"") {
-          var result14 = "\"";
-          pos += 1;
-        } else {
-          var result14 = null;
-          if (reportMatchFailures) {
-            matchFailed("\"\\\"\"");
-          }
-        }
-        if (result14 !== null) {
-          if (input.substr(pos, 1) === "\"") {
-            var result15 = "\"";
-            pos += 1;
-          } else {
-            var result15 = null;
-            if (reportMatchFailures) {
-              matchFailed("\"\\\"\"");
-            }
-          }
-          if (result15 !== null) {
-            var result13 = [result14, result15];
-          } else {
-            var result13 = null;
-            pos = savedPos2;
-          }
-        } else {
-          var result13 = null;
-          pos = savedPos2;
-        }
-        var result12 = result13 !== null
-          ? (function() { return ["literal", ""] })()
-          : null;
-        if (result12 !== null) {
-          var result0 = result12;
-        } else {
-          var savedPos1 = pos;
-          if (input.substr(pos, 1) === "\"") {
-            var result9 = "\"";
-            pos += 1;
-          } else {
-            var result9 = null;
-            if (reportMatchFailures) {
-              matchFailed("\"\\\"\"");
-            }
-          }
-          if (result9 !== null) {
-            var result10 = parse_literal();
-            if (result10 !== null) {
-              if (input.substr(pos, 1) === "\"") {
-                var result11 = "\"";
-                pos += 1;
-              } else {
-                var result11 = null;
-                if (reportMatchFailures) {
-                  matchFailed("\"\\\"\"");
-                }
-              }
-              if (result11 !== null) {
-                var result8 = [result9, result10, result11];
-              } else {
-                var result8 = null;
-                pos = savedPos1;
-              }
-            } else {
-              var result8 = null;
-              pos = savedPos1;
-            }
-          } else {
-            var result8 = null;
-            pos = savedPos1;
-          }
-          var result7 = result8 !== null
-            ? (function(l) { return ["literal", l] })(result8[1])
-            : null;
-          if (result7 !== null) {
-            var result0 = result7;
-          } else {
-            var savedPos0 = pos;
-            if (input.substr(pos, 1) === "\"") {
-              var result3 = "\"";
-              pos += 1;
-            } else {
-              var result3 = null;
-              if (reportMatchFailures) {
-                matchFailed("\"\\\"\"");
-              }
-            }
-            if (result3 !== null) {
-              var result6 = parse_inline_part();
-              if (result6 !== null) {
-                var result4 = [];
-                while (result6 !== null) {
-                  result4.push(result6);
-                  var result6 = parse_inline_part();
-                }
-              } else {
-                var result4 = null;
-              }
-              if (result4 !== null) {
-                if (input.substr(pos, 1) === "\"") {
-                  var result5 = "\"";
-                  pos += 1;
-                } else {
-                  var result5 = null;
-                  if (reportMatchFailures) {
-                    matchFailed("\"\\\"\"");
-                  }
-                }
-                if (result5 !== null) {
-                  var result2 = [result3, result4, result5];
-                } else {
-                  var result2 = null;
-                  pos = savedPos0;
-                }
-              } else {
-                var result2 = null;
-                pos = savedPos0;
-              }
-            } else {
-              var result2 = null;
-              pos = savedPos0;
-            }
-            var result1 = result2 !== null
-              ? (function(p) { return ["body"].concat(p) })(result2[1])
-              : null;
-            if (result1 !== null) {
-              var result0 = result1;
-            } else {
-              var result0 = null;;
-            };
-          };
-        }
-        reportMatchFailures = savedReportMatchFailures;
-        if (reportMatchFailures && result0 === null) {
-          matchFailed("inline");
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_inline_part() {
-        var cacheKey = "inline_part" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        
-        var result4 = parse_special();
-        if (result4 !== null) {
-          var result0 = result4;
-        } else {
-          var result3 = parse_reference();
-          if (result3 !== null) {
-            var result0 = result3;
-          } else {
-            var result2 = parse_literal();
-            var result1 = result2 !== null
-              ? (function(l) { return ["buffer", l] })(result2)
-              : null;
-            if (result1 !== null) {
-              var result0 = result1;
-            } else {
-              var result0 = null;;
-            };
-          };
-        }
-        
-        
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_buffer() {
-        var cacheKey = "buffer" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var savedReportMatchFailures = reportMatchFailures;
-        reportMatchFailures = false;
-        var savedPos4 = pos;
-        var result14 = parse_eol();
-        if (result14 !== null) {
-          var result15 = [];
-          var result16 = parse_ws();
-          while (result16 !== null) {
-            result15.push(result16);
-            var result16 = parse_ws();
-          }
-          if (result15 !== null) {
-            var result13 = [result14, result15];
-          } else {
-            var result13 = null;
-            pos = savedPos4;
-          }
-        } else {
-          var result13 = null;
-          pos = savedPos4;
-        }
-        var result12 = result13 !== null
-          ? (function(e, w) { return ["format", e, w.join('')] })(result13[0], result13[1])
-          : null;
-        if (result12 !== null) {
-          var result0 = result12;
-        } else {
-          var savedPos0 = pos;
-          var savedPos3 = pos;
-          var savedReportMatchFailuresVar2 = reportMatchFailures;
-          reportMatchFailures = false;
-          var result11 = parse_tag();
-          reportMatchFailures = savedReportMatchFailuresVar2;
-          if (result11 === null) {
-            var result5 = '';
-          } else {
-            var result5 = null;
-            pos = savedPos3;
-          }
-          if (result5 !== null) {
-            var savedPos2 = pos;
-            var savedReportMatchFailuresVar1 = reportMatchFailures;
-            reportMatchFailures = false;
-            var result10 = parse_eol();
-            reportMatchFailures = savedReportMatchFailuresVar1;
-            if (result10 === null) {
-              var result6 = '';
-            } else {
-              var result6 = null;
-              pos = savedPos2;
-            }
-            if (result6 !== null) {
-              var savedPos1 = pos;
-              var savedReportMatchFailuresVar0 = reportMatchFailures;
-              reportMatchFailures = false;
-              var result9 = parse_comment();
-              reportMatchFailures = savedReportMatchFailuresVar0;
-              if (result9 === null) {
-                var result7 = '';
-              } else {
-                var result7 = null;
-                pos = savedPos1;
-              }
-              if (result7 !== null) {
-                if (input.length > pos) {
-                  var result8 = input.charAt(pos);
-                  pos++;
-                } else {
-                  var result8 = null;
-                  if (reportMatchFailures) {
-                    matchFailed('any character');
-                  }
-                }
-                if (result8 !== null) {
-                  var result4 = [result5, result6, result7, result8];
-                } else {
-                  var result4 = null;
-                  pos = savedPos0;
-                }
-              } else {
-                var result4 = null;
-                pos = savedPos0;
-              }
-            } else {
-              var result4 = null;
-              pos = savedPos0;
-            }
-          } else {
-            var result4 = null;
-            pos = savedPos0;
-          }
-          var result3 = result4 !== null
-            ? (function(c) {return c})(result4[3])
-            : null;
-          if (result3 !== null) {
-            var result2 = [];
-            while (result3 !== null) {
-              result2.push(result3);
-              var savedPos0 = pos;
-              var savedPos3 = pos;
-              var savedReportMatchFailuresVar2 = reportMatchFailures;
-              reportMatchFailures = false;
-              var result11 = parse_tag();
-              reportMatchFailures = savedReportMatchFailuresVar2;
-              if (result11 === null) {
-                var result5 = '';
-              } else {
-                var result5 = null;
-                pos = savedPos3;
-              }
-              if (result5 !== null) {
-                var savedPos2 = pos;
-                var savedReportMatchFailuresVar1 = reportMatchFailures;
-                reportMatchFailures = false;
-                var result10 = parse_eol();
-                reportMatchFailures = savedReportMatchFailuresVar1;
-                if (result10 === null) {
-                  var result6 = '';
-                } else {
-                  var result6 = null;
-                  pos = savedPos2;
-                }
-                if (result6 !== null) {
-                  var savedPos1 = pos;
-                  var savedReportMatchFailuresVar0 = reportMatchFailures;
-                  reportMatchFailures = false;
-                  var result9 = parse_comment();
-                  reportMatchFailures = savedReportMatchFailuresVar0;
-                  if (result9 === null) {
-                    var result7 = '';
-                  } else {
-                    var result7 = null;
-                    pos = savedPos1;
-                  }
-                  if (result7 !== null) {
-                    if (input.length > pos) {
-                      var result8 = input.charAt(pos);
-                      pos++;
-                    } else {
-                      var result8 = null;
-                      if (reportMatchFailures) {
-                        matchFailed('any character');
-                      }
-                    }
-                    if (result8 !== null) {
-                      var result4 = [result5, result6, result7, result8];
-                    } else {
-                      var result4 = null;
-                      pos = savedPos0;
-                    }
-                  } else {
-                    var result4 = null;
-                    pos = savedPos0;
-                  }
-                } else {
-                  var result4 = null;
-                  pos = savedPos0;
-                }
-              } else {
-                var result4 = null;
-                pos = savedPos0;
-              }
-              var result3 = result4 !== null
-                ? (function(c) {return c})(result4[3])
-                : null;
-            }
-          } else {
-            var result2 = null;
-          }
-          var result1 = result2 !== null
-            ? (function(b) { return ["buffer", b.join('')] })(result2)
-            : null;
-          if (result1 !== null) {
-            var result0 = result1;
-          } else {
-            var result0 = null;;
-          };
-        }
-        reportMatchFailures = savedReportMatchFailures;
-        if (reportMatchFailures && result0 === null) {
-          matchFailed("buffer");
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_literal() {
-        var cacheKey = "literal" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var savedReportMatchFailures = reportMatchFailures;
-        reportMatchFailures = false;
-        var savedPos0 = pos;
-        var savedPos2 = pos;
-        var savedReportMatchFailuresVar1 = reportMatchFailures;
-        reportMatchFailures = false;
-        var result10 = parse_tag();
-        reportMatchFailures = savedReportMatchFailuresVar1;
-        if (result10 === null) {
-          var result4 = '';
-        } else {
-          var result4 = null;
-          pos = savedPos2;
-        }
-        if (result4 !== null) {
-          var savedPos1 = pos;
-          var savedReportMatchFailuresVar0 = reportMatchFailures;
-          reportMatchFailures = false;
-          var result9 = parse_eol();
-          reportMatchFailures = savedReportMatchFailuresVar0;
-          if (result9 === null) {
-            var result5 = '';
-          } else {
-            var result5 = null;
-            pos = savedPos1;
-          }
-          if (result5 !== null) {
-            var result8 = parse_esc();
-            if (result8 !== null) {
-              var result6 = result8;
-            } else {
-              if (input.substr(pos).match(/^[^"]/) !== null) {
-                var result7 = input.charAt(pos);
-                pos++;
-              } else {
-                var result7 = null;
-                if (reportMatchFailures) {
-                  matchFailed("[^\"]");
-                }
-              }
-              if (result7 !== null) {
-                var result6 = result7;
-              } else {
-                var result6 = null;;
-              };
-            }
-            if (result6 !== null) {
-              var result3 = [result4, result5, result6];
-            } else {
-              var result3 = null;
-              pos = savedPos0;
-            }
-          } else {
-            var result3 = null;
-            pos = savedPos0;
-          }
-        } else {
-          var result3 = null;
-          pos = savedPos0;
-        }
-        var result2 = result3 !== null
-          ? (function(c) {return c})(result3[2])
-          : null;
-        if (result2 !== null) {
-          var result1 = [];
-          while (result2 !== null) {
-            result1.push(result2);
-            var savedPos0 = pos;
-            var savedPos2 = pos;
-            var savedReportMatchFailuresVar1 = reportMatchFailures;
-            reportMatchFailures = false;
-            var result10 = parse_tag();
-            reportMatchFailures = savedReportMatchFailuresVar1;
-            if (result10 === null) {
-              var result4 = '';
-            } else {
-              var result4 = null;
-              pos = savedPos2;
-            }
-            if (result4 !== null) {
-              var savedPos1 = pos;
-              var savedReportMatchFailuresVar0 = reportMatchFailures;
-              reportMatchFailures = false;
-              var result9 = parse_eol();
-              reportMatchFailures = savedReportMatchFailuresVar0;
-              if (result9 === null) {
-                var result5 = '';
-              } else {
-                var result5 = null;
-                pos = savedPos1;
-              }
-              if (result5 !== null) {
-                var result8 = parse_esc();
-                if (result8 !== null) {
-                  var result6 = result8;
-                } else {
-                  if (input.substr(pos).match(/^[^"]/) !== null) {
-                    var result7 = input.charAt(pos);
-                    pos++;
-                  } else {
-                    var result7 = null;
-                    if (reportMatchFailures) {
-                      matchFailed("[^\"]");
-                    }
-                  }
-                  if (result7 !== null) {
-                    var result6 = result7;
-                  } else {
-                    var result6 = null;;
-                  };
-                }
-                if (result6 !== null) {
-                  var result3 = [result4, result5, result6];
-                } else {
-                  var result3 = null;
-                  pos = savedPos0;
-                }
-              } else {
-                var result3 = null;
-                pos = savedPos0;
-              }
-            } else {
-              var result3 = null;
-              pos = savedPos0;
-            }
-            var result2 = result3 !== null
-              ? (function(c) {return c})(result3[2])
-              : null;
-          }
-        } else {
-          var result1 = null;
-        }
-        var result0 = result1 !== null
-          ? (function(b) { return b.join('') })(result1)
-          : null;
-        reportMatchFailures = savedReportMatchFailures;
-        if (reportMatchFailures && result0 === null) {
-          matchFailed("literal");
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_esc() {
-        var cacheKey = "esc" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        
-        if (input.substr(pos, 2) === "\\\"") {
-          var result1 = "\\\"";
-          pos += 2;
-        } else {
-          var result1 = null;
-          if (reportMatchFailures) {
-            matchFailed("\"\\\\\\\"\"");
-          }
-        }
-        var result0 = result1 !== null
-          ? (function() { return '"' })()
-          : null;
-        
-        
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_comment() {
-        var cacheKey = "comment" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var savedReportMatchFailures = reportMatchFailures;
-        reportMatchFailures = false;
-        var savedPos0 = pos;
-        if (input.substr(pos, 2) === "{!") {
-          var result2 = "{!";
-          pos += 2;
-        } else {
-          var result2 = null;
-          if (reportMatchFailures) {
-            matchFailed("\"{!\"");
-          }
-        }
-        if (result2 !== null) {
-          var result3 = [];
-          var savedPos1 = pos;
-          var savedPos2 = pos;
-          var savedReportMatchFailuresVar0 = reportMatchFailures;
-          reportMatchFailures = false;
-          if (input.substr(pos, 2) === "!}") {
-            var result9 = "!}";
-            pos += 2;
-          } else {
-            var result9 = null;
-            if (reportMatchFailures) {
-              matchFailed("\"!}\"");
-            }
-          }
-          reportMatchFailures = savedReportMatchFailuresVar0;
-          if (result9 === null) {
-            var result7 = '';
-          } else {
-            var result7 = null;
-            pos = savedPos2;
-          }
-          if (result7 !== null) {
-            if (input.length > pos) {
-              var result8 = input.charAt(pos);
-              pos++;
-            } else {
-              var result8 = null;
-              if (reportMatchFailures) {
-                matchFailed('any character');
-              }
-            }
-            if (result8 !== null) {
-              var result6 = [result7, result8];
-            } else {
-              var result6 = null;
-              pos = savedPos1;
-            }
-          } else {
-            var result6 = null;
-            pos = savedPos1;
-          }
-          var result5 = result6 !== null
-            ? (function(c) {return c})(result6[1])
-            : null;
-          while (result5 !== null) {
-            result3.push(result5);
-            var savedPos1 = pos;
-            var savedPos2 = pos;
-            var savedReportMatchFailuresVar0 = reportMatchFailures;
-            reportMatchFailures = false;
-            if (input.substr(pos, 2) === "!}") {
-              var result9 = "!}";
-              pos += 2;
-            } else {
-              var result9 = null;
-              if (reportMatchFailures) {
-                matchFailed("\"!}\"");
-              }
-            }
-            reportMatchFailures = savedReportMatchFailuresVar0;
-            if (result9 === null) {
-              var result7 = '';
-            } else {
-              var result7 = null;
-              pos = savedPos2;
-            }
-            if (result7 !== null) {
-              if (input.length > pos) {
-                var result8 = input.charAt(pos);
-                pos++;
-              } else {
-                var result8 = null;
-                if (reportMatchFailures) {
-                  matchFailed('any character');
-                }
-              }
-              if (result8 !== null) {
-                var result6 = [result7, result8];
-              } else {
-                var result6 = null;
-                pos = savedPos1;
-              }
-            } else {
-              var result6 = null;
-              pos = savedPos1;
-            }
-            var result5 = result6 !== null
-              ? (function(c) {return c})(result6[1])
-              : null;
-          }
-          if (result3 !== null) {
-            if (input.substr(pos, 2) === "!}") {
-              var result4 = "!}";
-              pos += 2;
-            } else {
-              var result4 = null;
-              if (reportMatchFailures) {
-                matchFailed("\"!}\"");
-              }
-            }
-            if (result4 !== null) {
-              var result1 = [result2, result3, result4];
-            } else {
-              var result1 = null;
-              pos = savedPos0;
-            }
-          } else {
-            var result1 = null;
-            pos = savedPos0;
-          }
-        } else {
-          var result1 = null;
-          pos = savedPos0;
-        }
-        var result0 = result1 !== null
-          ? (function(c) { return ["comment", c.join('')] })(result1[1])
-          : null;
-        reportMatchFailures = savedReportMatchFailures;
-        if (reportMatchFailures && result0 === null) {
-          matchFailed("comment");
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_tag() {
-        var cacheKey = "tag" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        
-        var savedPos0 = pos;
-        var result3 = parse_ld();
-        if (result3 !== null) {
-          if (input.substr(pos).match(/^[#?^><+%:@\/~%]/) !== null) {
-            var result4 = input.charAt(pos);
-            pos++;
-          } else {
-            var result4 = null;
-            if (reportMatchFailures) {
-              matchFailed("[#?^><+%:@\\/~%]");
-            }
-          }
-          if (result4 !== null) {
-            var savedPos1 = pos;
-            var savedPos3 = pos;
-            var savedReportMatchFailuresVar1 = reportMatchFailures;
-            reportMatchFailures = false;
-            var result12 = parse_rd();
-            reportMatchFailures = savedReportMatchFailuresVar1;
-            if (result12 === null) {
-              var result8 = '';
-            } else {
-              var result8 = null;
-              pos = savedPos3;
-            }
-            if (result8 !== null) {
-              var savedPos2 = pos;
-              var savedReportMatchFailuresVar0 = reportMatchFailures;
-              reportMatchFailures = false;
-              var result11 = parse_eol();
-              reportMatchFailures = savedReportMatchFailuresVar0;
-              if (result11 === null) {
-                var result9 = '';
-              } else {
-                var result9 = null;
-                pos = savedPos2;
-              }
-              if (result9 !== null) {
-                if (input.length > pos) {
-                  var result10 = input.charAt(pos);
-                  pos++;
-                } else {
-                  var result10 = null;
-                  if (reportMatchFailures) {
-                    matchFailed('any character');
-                  }
-                }
-                if (result10 !== null) {
-                  var result7 = [result8, result9, result10];
-                } else {
-                  var result7 = null;
-                  pos = savedPos1;
-                }
-              } else {
-                var result7 = null;
-                pos = savedPos1;
-              }
-            } else {
-              var result7 = null;
-              pos = savedPos1;
-            }
-            if (result7 !== null) {
-              var result5 = [];
-              while (result7 !== null) {
-                result5.push(result7);
-                var savedPos1 = pos;
-                var savedPos3 = pos;
-                var savedReportMatchFailuresVar1 = reportMatchFailures;
-                reportMatchFailures = false;
-                var result12 = parse_rd();
-                reportMatchFailures = savedReportMatchFailuresVar1;
-                if (result12 === null) {
-                  var result8 = '';
-                } else {
-                  var result8 = null;
-                  pos = savedPos3;
-                }
-                if (result8 !== null) {
-                  var savedPos2 = pos;
-                  var savedReportMatchFailuresVar0 = reportMatchFailures;
-                  reportMatchFailures = false;
-                  var result11 = parse_eol();
-                  reportMatchFailures = savedReportMatchFailuresVar0;
-                  if (result11 === null) {
-                    var result9 = '';
-                  } else {
-                    var result9 = null;
-                    pos = savedPos2;
-                  }
-                  if (result9 !== null) {
-                    if (input.length > pos) {
-                      var result10 = input.charAt(pos);
-                      pos++;
-                    } else {
-                      var result10 = null;
-                      if (reportMatchFailures) {
-                        matchFailed('any character');
-                      }
-                    }
-                    if (result10 !== null) {
-                      var result7 = [result8, result9, result10];
-                    } else {
-                      var result7 = null;
-                      pos = savedPos1;
-                    }
-                  } else {
-                    var result7 = null;
-                    pos = savedPos1;
-                  }
-                } else {
-                  var result7 = null;
-                  pos = savedPos1;
-                }
-              }
-            } else {
-              var result5 = null;
-            }
-            if (result5 !== null) {
-              var result6 = parse_rd();
-              if (result6 !== null) {
-                var result2 = [result3, result4, result5, result6];
-              } else {
-                var result2 = null;
-                pos = savedPos0;
-              }
-            } else {
-              var result2 = null;
-              pos = savedPos0;
-            }
-          } else {
-            var result2 = null;
-            pos = savedPos0;
-          }
-        } else {
-          var result2 = null;
-          pos = savedPos0;
-        }
-        if (result2 !== null) {
-          var result0 = result2;
-        } else {
-          var result1 = parse_reference();
-          if (result1 !== null) {
-            var result0 = result1;
-          } else {
-            var result0 = null;;
-          };
-        }
-        
-        
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_ld() {
-        var cacheKey = "ld" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        
-        if (input.substr(pos, 1) === "{") {
-          var result0 = "{";
-          pos += 1;
-        } else {
-          var result0 = null;
-          if (reportMatchFailures) {
-            matchFailed("\"{\"");
-          }
-        }
-        
-        
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_rd() {
-        var cacheKey = "rd" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        
-        if (input.substr(pos, 1) === "}") {
-          var result0 = "}";
-          pos += 1;
-        } else {
-          var result0 = null;
-          if (reportMatchFailures) {
-            matchFailed("\"}\"");
-          }
-        }
-        
-        
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_eol() {
-        var cacheKey = "eol" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        
-        if (input.substr(pos, 1) === "\n") {
-          var result5 = "\n";
-          pos += 1;
-        } else {
-          var result5 = null;
-          if (reportMatchFailures) {
-            matchFailed("\"\\n\"");
-          }
-        }
-        if (result5 !== null) {
-          var result0 = result5;
-        } else {
-          if (input.substr(pos, 2) === "\r\n") {
-            var result4 = "\r\n";
-            pos += 2;
-          } else {
-            var result4 = null;
-            if (reportMatchFailures) {
-              matchFailed("\"\\r\\n\"");
-            }
-          }
-          if (result4 !== null) {
-            var result0 = result4;
-          } else {
-            if (input.substr(pos, 1) === "\r") {
-              var result3 = "\r";
-              pos += 1;
-            } else {
-              var result3 = null;
-              if (reportMatchFailures) {
-                matchFailed("\"\\r\"");
-              }
-            }
-            if (result3 !== null) {
-              var result0 = result3;
-            } else {
-              if (input.substr(pos, 1) === "\u2028") {
-                var result2 = "\u2028";
-                pos += 1;
-              } else {
-                var result2 = null;
-                if (reportMatchFailures) {
-                  matchFailed("\"\\u2028\"");
-                }
-              }
-              if (result2 !== null) {
-                var result0 = result2;
-              } else {
-                if (input.substr(pos, 1) === "\u2029") {
-                  var result1 = "\u2029";
-                  pos += 1;
-                } else {
-                  var result1 = null;
-                  if (reportMatchFailures) {
-                    matchFailed("\"\\u2029\"");
-                  }
-                }
-                if (result1 !== null) {
-                  var result0 = result1;
-                } else {
-                  var result0 = null;;
-                };
-              };
-            };
-          };
-        }
-        
-        
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_ws() {
-        var cacheKey = "ws" + '@' + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        
-        if (input.substr(pos).match(/^[	 \xA0\uFEFF]/) !== null) {
-          var result0 = input.charAt(pos);
-          pos++;
-        } else {
-          var result0 = null;
-          if (reportMatchFailures) {
-            matchFailed("[	 \\xA0\\uFEFF]");
-          }
-        }
-        
-        
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function buildErrorMessage() {
-        function buildExpected(failuresExpected) {
-          failuresExpected.sort();
-          
-          var lastFailure = null;
-          var failuresExpectedUnique = [];
-          for (var i = 0; i < failuresExpected.length; i++) {
-            if (failuresExpected[i] !== lastFailure) {
-              failuresExpectedUnique.push(failuresExpected[i]);
-              lastFailure = failuresExpected[i];
-            }
-          }
-          
-          switch (failuresExpectedUnique.length) {
-            case 0:
-              return 'end of input';
-            case 1:
-              return failuresExpectedUnique[0];
-            default:
-              return failuresExpectedUnique.slice(0, failuresExpectedUnique.length - 1).join(', ')
-                + ' or '
-                + failuresExpectedUnique[failuresExpectedUnique.length - 1];
-          }
-        }
-        
-        var expected = buildExpected(rightmostMatchFailuresExpected);
-        var actualPos = Math.max(pos, rightmostMatchFailuresPos);
-        var actual = actualPos < input.length
-          ? quote(input.charAt(actualPos))
-          : 'end of input';
-        
-        return 'Expected ' + expected + ' but ' + actual + ' found.';
-      }
-      
-      function computeErrorPosition() {
-        /*
-         * The first idea was to use |String.split| to break the input up to the
-         * error position along newlines and derive the line and column from
-         * there. However IE's |split| implementation is so broken that it was
-         * enough to prevent it.
-         */
-        
-        var line = 1;
-        var column = 1;
-        var seenCR = false;
-        
-        for (var i = 0; i <  rightmostMatchFailuresPos; i++) {
-          var ch = input.charAt(i);
-          if (ch === '\n') {
-            if (!seenCR) { line++; }
-            column = 1;
-            seenCR = false;
-          } else if (ch === '\r' | ch === '\u2028' || ch === '\u2029') {
-            line++;
-            column = 1;
-            seenCR = true;
-          } else {
-            column++;
-            seenCR = false;
-          }
-        }
-        
-        return { line: line, column: column };
-      }
-      
-      
-      
-    function wrap(node, ck) {
-      
-      node['text'] = input.substring(ck.split('@')[1], pos);
-      
-      return node;
-      
-    }
-      
-  
-      
-      var result = parse_body();
-      
-      /*
-       * The parser is now in one of the following three states:
-       *
-       * 1. The parser successfully parsed the whole input.
-       *
-       *    - |result !== null|
-       *    - |pos === input.length|
-       *    - |rightmostMatchFailuresExpected| may or may not contain something
-       *
-       * 2. The parser successfully parsed only a part of the input.
-       *
-       *    - |result !== null|
-       *    - |pos < input.length|
-       *    - |rightmostMatchFailuresExpected| may or may not contain something
-       *
-       * 3. The parser did not successfully parse any part of the input.
-       *
-       *   - |result === null|
-       *   - |pos === 0|
-       *   - |rightmostMatchFailuresExpected| contains at least one failure
-       *
-       * All code following this comment (including called functions) must
-       * handle these states.
-       */
-      if (result === null || pos !== input.length) {
-        var errorPosition = computeErrorPosition();
-        throw new SyntaxError(
-          buildErrorMessage(),
-          errorPosition.line,
-          errorPosition.column
-        );
-      }
-      
-      return result;
-    },
-    
-    /* Returns the parser source code. */
-    toSource: function() { return this._source; }
-  };
-  
-  /* Thrown when a parser encounters a syntax error. */
-  
-  result.SyntaxError = function(message, line, column) {
-    this.name = 'SyntaxError';
-    this.message = message;
-    this.line = line;
-    this.column = column;
-  };
-  
-  result.SyntaxError.prototype = Error.prototype;
-  
-  return result;
-})();
-
-dust.parse = parser.parse;
-
-})(typeof exports !== 'undefined' ? exports : window.dust);
\ No newline at end of file
diff --git a/dust/src/main/scala/com/typesafe/plugin/DustKeys.scala b/dust/src/main/scala/com/typesafe/plugin/DustKeys.scala
index 40bc69a..7ab8aaf 100644
--- a/dust/src/main/scala/com/typesafe/plugin/DustKeys.scala
+++ b/dust/src/main/scala/com/typesafe/plugin/DustKeys.scala
@@ -7,5 +7,7 @@ trait DustKeys {
   lazy val dustFileRegexTo = SettingKey[String]("play-dust-file-regex-to")
   lazy val dustAssetsGlob = SettingKey[PathFinder]("play-dust-assets-glob")
   lazy val dustAssetsDir = SettingKey[File]("play-dust-assets-dir")
+  lazy val dustOutputRelativePath = SettingKey[String]("play-dust-output-relative-path")
+  lazy val dustNativePath = SettingKey[Option[String]]("play-dust-native-path")
   lazy val dustFileEnding = SettingKey[String]("play-dust-file-ending")
 }
\ No newline at end of file
diff --git a/dust/src/main/scala/com/typesafe/plugin/DustPlugin.scala b/dust/src/main/scala/com/typesafe/plugin/DustPlugin.scala
index f269b7b..dd39628 100644
--- a/dust/src/main/scala/com/typesafe/plugin/DustPlugin.scala
+++ b/dust/src/main/scala/com/typesafe/plugin/DustPlugin.scala
@@ -2,16 +2,21 @@ package com.typesafe.plugin
 
 import sbt._
 import Keys._
+import play.Project._
 import org.apache.commons.io.FilenameUtils
 
 object DustPlugin extends Plugin with DustTasks {
-
-  override def settings: Seq[Setting[_]] = super.settings ++ Seq(
+  override def projectSettings = Seq(
+    resourceGenerators in Compile <+= DustCompiler
+  )
+  
+  val defaultSettings = Seq(
     dustAssetsDir <<= (sourceDirectory in Compile)(src => (src / "assets")),
+    dustOutputRelativePath := "",
+    dustNativePath := None,
     dustFileEnding := ".tl",
     dustAssetsGlob <<= (dustAssetsDir)(assetsDir => assetsDir ** "*.tl"),
     dustFileRegexFrom <<= (dustFileEnding)(fileEnding => fileEnding),
-    dustFileRegexTo <<= (dustFileEnding)(fileEnding => FilenameUtils.removeExtension(fileEnding) + ".js"),
-    resourceGenerators in Compile <+= DustCompiler)
-
-}
\ No newline at end of file
+    dustFileRegexTo <<= (dustFileEnding)(fileEnding => FilenameUtils.removeExtension(fileEnding) + ".js")
+  )
+}
diff --git a/dust/src/main/scala/com/typesafe/plugin/DustTasks.scala b/dust/src/main/scala/com/typesafe/plugin/DustTasks.scala
index 0b9bee5..1d165dd 100644
--- a/dust/src/main/scala/com/typesafe/plugin/DustTasks.scala
+++ b/dust/src/main/scala/com/typesafe/plugin/DustTasks.scala
@@ -1,22 +1,44 @@
 package com.typesafe.plugin
 
-import java.io.File
-import java.io.FileInputStream
-import java.io.InputStreamReader
+import java.io.{ File, FileInputStream, InputStreamReader }
 import org.apache.commons.io.FilenameUtils
 import org.mozilla.javascript.tools.shell.Global
-import org.mozilla.javascript.Context
-import org.mozilla.javascript.JavaScriptException
-import org.mozilla.javascript.Scriptable
-import org.mozilla.javascript.ScriptableObject
+import org.mozilla.javascript.{ Context, JavaScriptException, Scriptable, ScriptableObject}
 
 import sbt._
-import PlayProject._
+import sbt.PlayExceptions.AssetCompilationException
 
 trait DustTasks extends DustKeys {
-
-  def compile(name: String, source: String): Either[(String, Int, Int), String] = {
-
+  def handleCompileError(message: String) = {
+    // dust.js has weird error reporting where the line/column are part of the message, so we have to use a Regex to find them
+    val DustCompileError = ".* At line : (\\d+), column : (\\d+)".r
+    
+    message match {
+      case DustCompileError(line, column) => Left(message, line.toInt, column.toInt)
+      case _ => Left(message, 0, 0) // Some other weird error, we have no line/column info now.
+    }
+  }
+  
+  def compile(name: String, source: java.io.File, nativePath: Option[String] = None): Either[(String, Int, Int), String] = {
+    nativePath match {
+      case Some(nativeCompiler) if (new java.io.File(nativeCompiler).exists) =>
+        compileNative(name, source.getPath(), nativeCompiler).left.map {
+          case (msg, line, column) => throw AssetCompilationException(Some(source),
+            msg,
+            Some(line),
+            Some(column))
+        }
+      case _ =>
+        compileEmbedded(name, IO.read(source)).left.map {
+          case (msg, line, column) => throw AssetCompilationException(Some(source),
+            msg,
+            Some(line),
+            Some(column))
+        }
+    }
+  }
+  
+  def compileEmbedded(name: String, source: String): Either[(String, Int, Int), String] = {
     import org.mozilla.javascript._
     import org.mozilla.javascript.tools.shell._
 
@@ -32,7 +54,7 @@ trait DustTasks extends DustKeys {
 
     ctx.evaluateReader(
       scope,
-      new InputStreamReader(this.getClass.getClassLoader.getResource("dust-full-0.6.0.js").openConnection().getInputStream()),
+      new InputStreamReader(this.getClass.getClassLoader.getResource("dust-full-1.2.3.js").openConnection().getInputStream()),
       "dust.js",
       1, null)
 
@@ -46,16 +68,26 @@ trait DustTasks extends DustKeys {
         val jsError = e.getValue.asInstanceOf[Scriptable]
         val message = ScriptableObject.getProperty(jsError, "message").toString
         
-        // dust.js has weird error reporting where the line/column are part of the message, so we have to use a Regex to find them
-        val DustCompileError = ".* At line : (\\d+), column : (\\d+)".r
-        
-        message match {
-          case DustCompileError(line, column) => Left(message, line.toInt, column.toInt)
-          case _ => Left(message, 0, 0) // Some other weird error, we have no line/column info now.
-        }
+        handleCompileError(message)
       }
     }
   }
+  
+  def compileNative(name: String, sourceFile: String, nativePath: String): Either[(String, Int, Int), String] = {
+    import scala.sys.process._
+    val pb = Process(nativePath + " --name=" + name + " " + sourceFile)
+    var out = List[String]()
+    var err = List[String]()
+    val exit = pb ! ProcessLogger((s) => out ::= s, (s) => err ::= s)
+    if (exit != 0) {
+      val message = err.mkString("");
+     
+      handleCompileError(message)
+    }
+    else {
+      Right(out.mkString(""))
+    }
+  }
 
   protected def templateName(sourceFile: String, assetsDir: String): String = {
     val sourceFileWithForwardSlashes = FilenameUtils.separatorsToUnix(sourceFile)
@@ -64,11 +96,12 @@ trait DustTasks extends DustKeys {
       sourceFileWithForwardSlashes.replace(assetsDirWithForwardSlashes + "/", "")
     )
   }
-
+  
   import Keys._
 
-  lazy val DustCompiler = (sourceDirectory in Compile, resourceManaged in Compile, cacheDirectory, dustFileRegexFrom, dustFileRegexTo, dustAssetsDir, dustAssetsGlob) map {
-    (src, resources, cache, fileReplaceRegexp, fileReplaceWith, assetsDir, files) =>
+  lazy val DustCompiler = (sourceDirectory in Compile, resourceManaged in Compile, cacheDirectory, dustFileRegexFrom, dustFileRegexTo, dustAssetsDir, dustAssetsGlob, dustOutputRelativePath, dustNativePath) map {
+    (src, resources, cache, fileReplaceRegexp, fileReplaceWith, assetsDir, files, outputRelativePath, nativePath) =>
+      
       val cacheFile = cache / "dust"
 
       def naming(name: String) = name.replaceAll(fileReplaceRegexp, fileReplaceWith)
@@ -77,22 +110,16 @@ trait DustTasks extends DustKeys {
 
       val (previousRelation, previousInfo) = Sync.readInfo(cacheFile)(FileInfo.lastModified.format)
       val previousGeneratedFiles = previousRelation._2s
-
+      
       if (previousInfo != currentInfos) {
 
         previousGeneratedFiles.foreach(IO.delete)
 
         val generated = (files x relativeTo(assetsDir)).flatMap {
           case (sourceFile, name) => {
-            val msg = compile(templateName(sourceFile.getPath, assetsDir.getPath), IO.read(sourceFile)).left.map {
-              case (msg, line, column) => throw AssetCompilationException(Some(sourceFile),
-                msg,
-                line,
-                column)
-            }.right.get
-
-            val out = new File(resources, "public/" + naming(name))
-            IO.write(out, msg)
+            val msg = compile(templateName(sourceFile.getPath, assetsDir.getPath), sourceFile, nativePath)
+            val out = new File(resources, "public/" + outputRelativePath + naming(name))
+            IO.write(out, msg.right.get)
             Seq(sourceFile -> out)
           }
         }
@@ -106,4 +133,4 @@ trait DustTasks extends DustKeys {
         previousGeneratedFiles.toSeq
       }
   }
-}
\ No newline at end of file
+}
diff --git a/dust/src/test/resources/test.tl b/dust/src/test/resources/test.tl
new file mode 100644
index 0000000..8b53f77
--- /dev/null
+++ b/dust/src/test/resources/test.tl
@@ -0,0 +1 @@
+Hello {name}! You have {count} new messages.
\ No newline at end of file
diff --git a/dust/src/test/scala/com/typesafe/plugin/DustTasksSpec.scala b/dust/src/test/scala/com/typesafe/plugin/DustTasksSpec.scala
new file mode 100644
index 0000000..f882600
--- /dev/null
+++ b/dust/src/test/scala/com/typesafe/plugin/DustTasksSpec.scala
@@ -0,0 +1,41 @@
+import org.specs2.mutable._
+import org.specs2.specification._
+
+import com.typesafe.plugin._
+import java.io.File
+
+class DustTasksSpec extends Specification with DustTasks {
+  trait testData extends Scope {
+    val output = """(function(){dust.register("test",body_0);function body_0(chk,ctx){return chk.write("Hello ").reference(ctx.get("name"),ctx,"h").write("! You have ").reference(ctx.get("count"),ctx,"h").write(" new messages.");}return body_0;})();"""
+  }
+  
+  "The Dust compiler" should {
+    "resolve template names correctly on Unix" in {
+      val file = "/var/projects/sample/app/assets/templates/foo.tl"
+      val assetsDir = "/var/projects/sample/app/assets"
+      templateName(file, assetsDir) must be_==("templates/foo")
+    }
+    "resolve template names correctly on Windows" in {
+      val file = "C:\\projects\\sample\\app\\assets\\templates\\foo.tl"
+      val assetsDir = "C:\\projects\\sample\\app\\assets"
+      templateName(file, assetsDir) must be_==("templates/foo")
+    }
+    "use embedded compiler by default" in new testData {
+      val msg = compile("test", new java.io.File(getClass.getResource("/test.tl").toURI))
+      msg must beRight
+      msg.right.get === output
+    }
+    "defer to native compiler if one is specified and located" in new testData {
+      val msg = compile("test", new java.io.File(getClass.getResource("/test.tl").toURI), 
+        Some("/usr/local/share/npm/bin/dustc"))  
+      msg must beRight
+      msg.right.get === output
+    }
+    "revert to embedded compiler if native one is specified but not located" in new testData {
+      val msg = compile("test", new java.io.File(getClass.getResource("/test.tl").toURI), 
+        Some("a/road/to/nowhere/"))  
+      msg must beRight
+      msg.right.get === output
+    }
+  }
+}
\ No newline at end of file
diff --git a/dust/src/test/scala/com/typesafe/plugin/DustTasksTest.scala b/dust/src/test/scala/com/typesafe/plugin/DustTasksTest.scala
deleted file mode 100644
index 6df0ec7..0000000
--- a/dust/src/test/scala/com/typesafe/plugin/DustTasksTest.scala
+++ /dev/null
@@ -1,17 +0,0 @@
-import org.specs2.mutable._
-import com.typesafe.plugin._
-
-class HelloWorldSpec extends Specification with DustTasks {
-  "The Dust compiler" should {
-    "resolve template names correctly on Unix" in {
-      val file = "/var/projects/sample/app/assets/templates/foo.tl"
-      val assetsDir = "/var/projects/sample/app/assets"
-      templateName(file, assetsDir) must be_==("templates/foo")
-    }
-    "resolve template names correctly on Windows" in {
-      val file = "C:\\projects\\sample\\app\\assets\\templates\\foo.tl"
-      val assetsDir = "C:\\projects\\sample\\app\\assets"
-      templateName(file, assetsDir) must be_==("templates/foo")
-    }
-  }
-}
\ No newline at end of file

From ec41d4ad585dab003fd1fc8e51988b654b613400 Mon Sep 17 00:00:00 2001
From: McDamon <andrew.p.mcmahon@gmail.com>
Date: Fri, 24 May 2013 10:19:05 +0100
Subject: [PATCH 2/3] Using custom play version

---
 dust/build.sbt | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/dust/build.sbt b/dust/build.sbt
index bb1a890..ff02453 100644
--- a/dust/build.sbt
+++ b/dust/build.sbt
@@ -8,11 +8,9 @@ version := "1.5"
 
 organization := "com.typesafe"
 
-resolvers += "Typesafe repository" at "http://repo.typesafe.com/typesafe/releases/"
-
 scalacOptions ++= Seq("-deprecation")
 
-addSbtPlugin("play" % "sbt-plugin" % "2.1.1")
+addSbtPlugin("play" % "sbt-plugin" % "2.1-PRODUCTDEV")
 
 libraryDependencies += "commons-io" % "commons-io" % "2.4"
 

From 35341557f72c011049778576ecdceab6a36fa441 Mon Sep 17 00:00:00 2001
From: Andrew McMahon <andrew.p.mcmahon@boeing.com>
Date: Tue, 9 Jul 2013 22:53:40 +0100
Subject: [PATCH 3/3] Changed SBT version

---
 dust/project/build.properties | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dust/project/build.properties b/dust/project/build.properties
index 9b860e2..5e96e96 100755
--- a/dust/project/build.properties
+++ b/dust/project/build.properties
@@ -1 +1 @@
-sbt.version=0.12.3
+sbt.version=0.12.4