Re-factor the HTMLParser class to use the new markupbase.ParserBase class. Use a new internal method, error(), consistently to raise parse errors; the new base class also uses this.
Re-factor the HTMLParser class to use the new markupbase.ParserBase class.
Use a new internal method, error(), consistently to raise parse errors;
the new base class also uses this.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator