cleanups in revlog.lookup
- add comments
- do a clean separation of the different cases
- don't use a list of each possible node when
doing the lookup, just keep the previous entry
"""
i18n.py - internationalization support for mercurial
Copyright 2005, 2006 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