Add comments setting emacs and vim tab width and expansion variables....

o3d/documentation/documentation.gyp

 # Copyright (c) 2009 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.
 
 {
   'variables': {
     'chromium_code': 1,
     # We only want the documentation targets to be defined if the JS
     # Compiler is available, so we use python to find out if it's
     # available.
@@ skipping 72 matching lines @@
           {
             # Empty target if the js compiler doesn't exist.
             'target_name': 'documentation',
             'type': 'none',
           },
         ],
       },
     ],
   ],
 }
+
+# Local Variables:
+# tab-width:2
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=2 shiftwidth=2: