contrib/tcsh_completion

diffstat: print 0 instead of nothing for 0 adds or removes

This is in line with how the stock diffstat behaves when processing a
single diff with no line modifications (like a binary diff).

#
# tcsh completion for Mercurial
#
# This file has been auto-generated by tcsh_completion_build.sh for
# Mercurial Distributed SCM (version 1.3.1+269-5d8125bbbbf4)
#
# Copyright (C) 2005 TK Soh.
#
# This is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your
# option) any later version.
#

complete hg \
  'n/--cwd/d/' 'n/-R/d/' 'n/--repository/d/' \
  'C/-/( -R --repository \
    --cwd \
    -y --noninteractive \
    -q --quiet \
    -v --verbose \
    --config \
    --debug \
    --debugger \
    --encoding \
    --encodingmode \
    --traceback \
    --time \
    --profile \
    --version \
    -h --help)/' \
  'p/1/(add addremove annotate blame archive \
    backout bisect branch branches bundle \
    cat clone commit ci copy \
    cp debugancestor debugcheckstate debugcommands debugcomplete \
    debugdata debugdate debugfsinfo debugindex debugindexdot \
    debuginstall debugrebuildstate debugrename debugsetparents debugstate \
    debugsub debugwalk diff export forget \
    grep heads help identify id \
    import patch incoming in init \
    locate log history manifest merge \
    outgoing out parents paths pull \
    push recover remove rm rename \
    mv resolve revert rollback root \
    serve showconfig debugconfig status st \
    summary sum tag tags tip \
    unbundle update up checkout co \
    verify version)/'