Allow the `pygmentize` script to guess lexers based on file contents, now that looks_like_xml is fast enough.
Allow the `pygmentize` script to guess lexers based on file contents, now that
looks_like_xml is fast enough.

--HG--
branch : trunk

nex3/pygments,nex3/pygments,nex3/pygments,nex3/pygments,nex3/pygments,nex3/pygments,nex3/pygments,nex3/pygments,nex3/pygments,nex3/pygments,nex3/pygments