(small patch) XHTML.M: changing return type of functions cdata_* and unsafe_data
(small patch) XHTML.M: changing return type of functions cdata_* and unsafe_data

darcs-hash:20080404124210-1b86b-c0036c50da5d34659e252bab556ca1cc38838215

mfp/ocsigenserver,mfp/ocsigenserver