Add new braille tables supported by liblouis 2.6.0.

third_party/liblouis/liblouis_list_tables.py

 #!/usr/bin/env python
 # Copyright 2013 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.
 
 import os
 import re
 import sys
 
 import json
 import optparse
 
 # Matches the include statement in the braille table files.
 INCLUDE_RE = re.compile(r"^\s*include\s+([^#\s]+)")
 
 
 def Error(msg):
   print >> sys.stderr, 'liblouis_list_tables: %s' % msg
   sys.exit(1)
 
 
 def ToNativePath(pathname):
   return os.path.sep.join(pathname.split('/'))
 
 
 def LoadTablesFile(filename):
   with open(ToNativePath(filename), 'r') as fh:
-    return json.load(fh)
+    try:
+      return json.load(fh)
+    except ValueError, e:
+      raise ValueError('Error parsing braille table file %s: %s' %
+                       (filename, e.message))
 
 
 def FindFile(filename, directories):
   for d in directories:
     fullname = '/'.join([d, filename])
     if os.path.isfile(ToNativePath(fullname)):
       return fullname
   Error('File not found: %s' % filename)
 
 
@@ skipping 40 matching lines @@
 
 def main(argv):
   print DoMain(argv[1:])
 
 
 if __name__ == '__main__':
   try:
     sys.exit(main(sys.argv))
   except KeyboardInterrupt:
     Error('interrupted')