Fix documentation typos.

Author: chriskohlhoff

include/asio/inline_executor.hpp

@@ -139,7 +139,7 @@ class basic_inline_executor
 public:
   /// Compare two executors for equality.
   /**
-   * Two executors are equal if they refer to the same underlying io_context.
+   * Two inline executors are always considered equal.
    */
   friend bool operator==(const basic_inline_executor&,
       const basic_inline_executor&) noexcept
@@ -149,7 +149,7 @@ class basic_inline_executor
 
   /// Compare two executors for inequality.
   /**
-   * Two executors are equal if they refer to the same underlying io_context.
+   * Two inline executors are never considered unequal.
    */
   friend bool operator!=(const basic_inline_executor&,
       const basic_inline_executor&) noexcept

include/asio/recycling_allocator.hpp

@@ -24,7 +24,7 @@ namespace asio {
 
 /// An allocator that caches memory blocks in thread-local storage for reuse.
 /**
- * The @recycling_allocator uses a simple strategy where a limited number of
+ * The @c recycling_allocator uses a simple strategy where a limited number of
  * small memory blocks are cached in thread-local storage, if the current
  * thread is running an @c io_context or is part of a @c thread_pool.
  */
@@ -85,7 +85,7 @@ class recycling_allocator
 /// A proto-allocator that caches memory blocks in thread-local storage for
 /// reuse.
 /**
- * The @recycling_allocator uses a simple strategy where a limited number of
+ * The @c recycling_allocator uses a simple strategy where a limited number of
  * small memory blocks are cached in thread-local storage, if the current
  * thread is running an @c io_context or is part of a @c thread_pool.
  */

src/doc/overview/cpp20_coroutines.qbk

@@ -90,7 +90,7 @@ passed back to the coroutine as a `system_error` exception.
 To perform explicit error handling, rather than the default exception-throwing
 behaviour, use the [link asio.reference.as_tuple `as_tuple`],
 [link asio.reference.redirect_disposition `redirect_disposition`] or
-[link asio.reference.redirect_error `redirect_error`] or completion token
+[link asio.reference.redirect_error `redirect_error`] completion token
 adapters.
 
 The `as_tuple` completion token adapter packages the completion

src/doc/overview/token_adapters.qbk

@@ -123,7 +123,7 @@ expression will no longer throw an exception on resumption.
   asio::awaitable<void> my_coroutine()
   {
     // ...
-    std::exception my_exception;
+    std::exception_ptr my_exception;
     std::size_t bytes_transferred =
       co_await my_socket.async_read_some(my_buffer,
         asio::redirect_disposition(asio::use_awaitable, my_exception));