tests/printrepr.py

help: improve merge-tools topic, describe --tool and clarify details

This doesn't make it simpler, but it makes it more correct.

With help from erikz, mg and abuehl.

#!/usr/bin/env python
#
# Copyright 2009 Matt Mackall <[e-mail]> and others
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

"""prints repr(sys.stdin) but preserves newlines in input"""

import sys
print repr(sys.stdin.read())[1:-1].replace('\\n', '\n'),