class_docstr: Parser base class which provides some common support methods used
  by the SGML/HTML and XHTML parsers.
code: def parse_comment(self, i, report=1):
      rawdata = self.rawdata
      if rawdata[i : i + 4] != "<!--":
          raise AssertionError("unexpected call to parse_comment()")
      match = _commentclose.search(rawdata, i + 4)
      if not match:
          return -1
      if report:
          j = match.start(0)
          self.handle_comment(rawdata[i + 4 : j])
      return match.end(0)
  
file_path: cpython/Lib/_markupbase.py
imports: import re
label_desc: Use image node_id 7 for calling the ParserBase obj's underlying member method code with example usage: obj.parse_comment(i, report) and returns: match, unknown