Make undefined Unicode characters show up in a nicer way in braille.

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
@@ skipping 48 matching lines @@
     ProcessFile(output_set, include_file, directories)
 
 
 def DoMain(argv):
   "Entry point for gyp's pymod_do_main command."
   parser = optparse.OptionParser()
   # Give a clearer error message when this is used as a module.
   parser.prog = 'liblouis_list_tables'
   parser.set_usage('usage: %prog [options] listfile')
   parser.add_option('-D', '--directory', dest='directories',
-                    action='append', help='Where to search for table files')
+                     action='append', help='Where to search for table files')
+  parser.add_option('-e', '--extra_file', dest='extra_files', action='append',
+                    default=[], help='Extra liblouis table file to process')
   (options, args) = parser.parse_args(argv)
 
   if len(args) != 1:
     parser.error('Expecting exactly one argument')
   if not options.directories:
     parser.error('At least one --directory option must be specified')
 
   tables = LoadTablesFile(args[0])
   output_set = set()
   for table in tables:
-    ProcessFile(output_set, table['fileName'], options.directories)
+    for name in table['fileNames'].split(','):
+      ProcessFile(output_set, name, options.directories)
+  for name in options.extra_files:
+    ProcessFile(output_set, name, options.directories)
   return '\n'.join(output_set)
 
 
 def main(argv):
   print DoMain(argv[1:])
 
 
 if __name__ == '__main__':
   try:
     sys.exit(main(sys.argv))
   except KeyboardInterrupt:
     Error('interrupted')