@@ -1,7 +1,7 @@

 About _xdot.py_

 =================

-This is a fork of [`jrfonseca/xdot.py`][].

+This is a fork of [`jrfonseca/xdot.py`][] that removes `--filter` restriction.

 _xdot.py_ is an interactive viewer for graphs written in [Graphviz](http://www.graphviz.org/)'s [dot language](http://www.graphviz.org/doc/info/lang.html).

@@ -46,9 +46,9 @@ Shortcuts:

         'inputfile', metavar='file', nargs='?',

         help='input file to be viewed')

     parser.add_argument(

-        '-f', '--filter', choices=['dot', 'neato', 'twopi', 'circo', 'fdp'],

+        '-f', '--filter', action='store',

         dest='filter', default='dot', metavar='FILTER',

-        help='graphviz filter: dot, neato, twopi, circo, or fdp [default: %(default)s]')

+        help='graphviz filter, e.g. dot, neato, twopi, circo, or fdp [default: %(default)s]')

     parser.add_argument(

         '-n', '--no-filter',

         action='store_const', const=None, dest='filter',