docstring escapeString(docstring const & raw);
/// replaces illegal characters from SGML/XML ID attributes
-std::string cleanID(Buffer const & buf, OutputParams const & runparams,
- std::string const & orig);
+docstring cleanID(Buffer const & buf, OutputParams const & runparams,
+ docstring const & orig);
/// returns a unique numeric id
-docstring const uniqueID(std::string const label);
+docstring const uniqueID(docstring const label);
/// Opens tag
void openTag(odocstream & os, std::string const & name,