graphlog: style with header and footer (issue2395)
The glog command didn't emit header and footer from the style, as demonstrated
by "hg glog --style xml". Asciiart combined with xml markup hardly makes sense,
but header and footer might however be useful for adding for example html pre
tags around the graph.
Test document extraction
$ "$TESTDIR/hghave" docutils || exit 80
$ HGENCODING=UTF-8
$ export HGENCODING
$ for PO in C $TESTDIR/../i18n/*.po; do
> LOCALE=`basename $PO .po`
> echo
> echo "% extracting documentation from $LOCALE"
> echo ".. -*- coding: utf-8 -*-" > gendoc-$LOCALE.txt
> echo "" >> gendoc-$LOCALE.txt
> LC_ALL=$LOCALE python $TESTDIR/../doc/gendoc.py >> gendoc-$LOCALE.txt 2> /dev/null || exit
>
> # We call runrst without adding "--halt warning" to make it report
> # all errors instead of stopping on the first one.
> echo "checking for parse errors"
> python $TESTDIR/../doc/runrst html gendoc-$LOCALE.txt /dev/null
> done
% extracting documentation from C
checking for parse errors
% extracting documentation from da
checking for parse errors
% extracting documentation from de
checking for parse errors
% extracting documentation from el
checking for parse errors
% extracting documentation from fr
checking for parse errors
% extracting documentation from it
checking for parse errors
% extracting documentation from ja
checking for parse errors
% extracting documentation from pt_BR
checking for parse errors
% extracting documentation from ro
checking for parse errors
% extracting documentation from sv
checking for parse errors
% extracting documentation from zh_CN
checking for parse errors
% extracting documentation from zh_TW
checking for parse errors