Documentation cleanup: escape # characters in Doxygen comments as needed.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158972 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Lex/CodeCompletionHandler.h b/include/clang/Lex/CodeCompletionHandler.h
index 5b45c05..91c3b78 100644
--- a/include/clang/Lex/CodeCompletionHandler.h
+++ b/include/clang/Lex/CodeCompletionHandler.h
@@ -43,7 +43,7 @@
   /// where the name of a macro is expected.
   ///
   /// \param IsDefinition Whether this is the definition of a macro, e.g.,
-  /// in a #define.
+  /// in a \#define.
   virtual void CodeCompleteMacroName(bool IsDefinition) { }
   
   /// \brief Callback invoked when performing code completion in a preprocessor