exewrapper: add comments about PYTHONHOME
This has been a repeating source of confusion for users of HackableMercurial.
Note that users of HackableMercurial should *not* and are *not* expected to set
PYTHONHOME.
# progress.py show progress bars for some actions
#
# Copyright (C) 2010 Augie Fackler <durin42@gmail.com>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
"""show progress bars for some actions (DEPRECATED)
This extension has been merged into core, you can remove it from your config.
See hg help config.progress for configuration options.
"""
# Note for extension authors: ONLY specify testedwith = 'internal' for
# extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
# be specifying the version(s) of Mercurial they are tested with, or
# leave the attribute unspecified.
testedwith = 'internal'