sgmls: SGML error at test073.sgm, line 10 in declaration parameter 18:
       More than ATTCNT attribute names and/or name (token) values; terminated
sgmls: SGML error at test073.sgm, line 12 at "]":
       Invalid character(s) ignored; attempting to resume DOCTYPE subset
sgmls: SGML error at test073.sgm, line 12 at record end:
       Document ended invalidly within prolog; parsing ended
