* escape LINE SEPARATOR (U+2028) and PARAGRAPH SEPARATOR (U+2029) in fckeditor_wysiwyg_support otherwise FCKeditor will raise an error.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@28279 20353a03-c40f-0410-a6d1-a30d3c3de9de