Emacs: use `default-directory' if `buffer-file-name' is null.
This patch allows you to co-operate with Mercurial in dired buffer.
"""
i18n.py - internationalization support for mercurial
Copyright 2005 Matt Mackall <mpm@selenic.com>
This software may be used and distributed according to the terms
of the GNU General Public License, incorporated herein by reference.
"""
# the import from gettext is _really_ slow
# for now we use a dummy function
gettext = lambda x: x
#import gettext
#t = gettext.translation('hg', '/usr/share/locale', fallback=1)
#gettext = t.gettext