* fix attribute regex
* 'x', 'y' and 'style' attributes are deprecated in favor of 'svg:x', 'svg:y', 'draw:style-name'
* unhandled attributes are kept in the result


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@23600 20353a03-c40f-0410-a6d1-a30d3c3de9de