Error in Parser.HTML comment handling
Imported from http://bugzilla.roxen.com/bugzilla/show_bug.cgi?id=1291
Reported by Martin Nilsson, IDA nilsson@pike.ida.liu.se
Pike v7.2 release 8 running Hilfe v2.0 (Incremental Pike Frontend)
> object x=Parser.HTML()->add_tag("a","b");
Result: object
> x->finish("<!-- <a/> --><a/>")->read();
Result: "<!-- <a/> -->b"
> x->finish("<!-- ' <a/> --><a/>")->read();
Result: "<!-- ' <a/> --><a/>"