In entity [toplevel] = SYSTEM "file://localhost/home/gerd/ocaml/smcvs/ocamlpkg/markup/rtests/negative/data_jclark_notwf/sa/060.xml", at line 3, position 21:
ERROR (Well-formedness constraint): One of CDATA, ID, IDREF, IDREFS, ENTITY, ENTITIES, NMTOKEN, NMTOKENS, NOTATION, or a subexpression expected