Fixes bug where JSON reader errored on reading vertical tabs (\v). The...

base/string_escape.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/string_escape.h"
 
 #include <string>
 
 #include "base/string_util.h"
 
 namespace string_escape {
 
 // Try to escape |c| as a "SingleEscapeCharacter" (\n, etc).  If successful,
 // returns true and appends the escape sequence to |dst|.
 template<typename CHAR>
 static bool JavascriptSingleEscapeChar(const CHAR c, std::string* dst) {
+  // WARNING: if you add a new case here, you need to update the reader as well.
   switch (c) {
     case '\b':
       dst->append("\\b");
       break;
     case '\f':
       dst->append("\\f");
       break;
     case '\n':
       dst->append("\\n");
       break;
@@ skipping 62 matching lines @@
       }
     }
   }
 
   if (put_in_quotes)
     dst->push_back('"');
 }
 
 }  // namespace string_escape