class_docstr: Process Horizontal Rules. 
class_docstr_tok: ["Process","Horizontal","Rules","."]
code: def test(self, parent: etree.Element, block: str) -> bool:
      m = self.SEARCH_RE.search(block)
      if m:
          # Save match object on class instance so we can use it later.
          self.match = m
          return True
      return False
  
imports: from __future__ import annotations
  import logging
  import re
  import xml.etree.ElementTree
  from typing import TYPE_CHECKING, Any
  from .None import util
  from .blockparser import BlockParser
label_desc: Use image node_id 1 for calling the HRProcessor obj's underlying member method code with example usage: obj.test(parent, block) and returns: False, True