Add a test

Author: manning

test/src/edu/stanford/nlp/process/PTBTokenizerTest.java

@@ -836,7 +836,8 @@ public void testEmoji() {
           "stems reach a max. of 3.5 m",
           "for min. 14 days",
           "stems reach a min. of 3.5 m",
-          "Apple released the iPhone 11 Pro Max. The iPhone family expanded."
+          "Apple released the iPhone 11 Pro Max. The iPhone family expanded.",
+          "C'mon, c’mon.",
   };
 
   private final String[][] tweetGold = {
@@ -873,6 +874,7 @@ public void testEmoji() {
           { "for", "min.", "14", "days" },
           { "stems", "reach", "a", "min.", "of", "3.5", "m" },
           { "Apple", "released", "the", "iPhone", "11", "Pro", "Max", ".", "The", "iPhone", "family", "expanded", "." },
+          { "C'mon", ",", "c’mon", "." },
   };
 
   @Test