If neither bottom nor top are given but a '//' is present, the command
shows the specified patch (defaulting to the current one)."""
-options = [make_option('-r', metavar = 'rev1[..[rev2]]', dest = 'revs',
+options = [make_option('-r', '--range',
+ metavar = 'rev1[..[rev2]]', dest = 'revs',
help = 'show the diff between revisions'),
make_option('-s', '--stat',
help = 'show the stat instead of the diff',