+Show all the patches in the series. The applied patches are prefixed
+with a '+' and the unapplied ones with a '-'. The current patch is
+prefixed with a '>'. Empty patches are prefixed with a '0'."""
+
+options = [make_option('-b', '--branch',
+ help = 'use BRANCH instead of the default one'),
+ make_option('-e', '--empty',
+ help = 'check whether patches are empty '
+ '(much slower)',
+ action = 'store_true') ]