[uilib] soup2xhtml uses now lxml.html.Cleaner The lxm cleaner class let you configure more easily the allowed tag elements in parsed content. Caveats: - attributes in elements are not dropped (and html layout can be broken if css classes are reused) - root tag element in snippet is buggy

# sync and restart to make sure cwuri does not appear in forms
sync_schema_props_perms()