[PATCH] parser: fix missing param in _match

[Peter Arrenbrecht]

On Tue, Jun 8, 2010 at 4:28 PM, Peter Arrenbrecht
<peter.arrenbrecht at gmail.com> wrote:
> # HG changeset patch
> # User Peter Arrenbrecht <peter.arrenbrecht at gmail.com>
> # Date 1276007279 -7200
> # Branch revset-dashes
> # Node ID a7d8f5cbbf0c058905b306ff5f03acacb3cd8d83
> # Parent  4a28385d026980bd0c671b09511dcab63e4badff
> parser: fix missing param in _match

Any idea as to how I can provoke _match() to actually follow the error
path? Tried to write a test, but no success.
-parren