zeroconf: small fixes in docstring
Use reST role for consistency, import small part of Debian's
proposed_upstream__correct-zeroconf-doc patch from
http://svn.debian.org/viewsvn/python-apps/packages/mercurial/trunk/debian/patches/
#!/bin/sh
"$TESTDIR/hghave" symlink || exit 80
hg init a
ln -s a link
cd a
echo foo > foo
hg status
hg status ../link