docs: def get(self, file_lines, index):
          """
          Extract the specified AnchorHub tag, as well as the portion of the
          line that should be converted from the ATX style Markdown header.
  
          :param file_lines: List of strings corresponding to lines in a text file
          :param index: index of file_lines corresponding to the current line
          :return: [tag, string] - tag: the extracted AnchorHub tag. string -
              the portion of the header that should be converted into an anchor
          """
          line = file_lines[index]
          start_index = line.find('# ') + 2   # Start index for header text
          start_tag = line.rfind(self._open)  # Start index of AnchorHub tag
          end_tag = line.rfind(self._close)   # End index of AnchorHub tag
  
          # The magic '+1' below knocks out the hash '#' character from extraction
          tag = line[start_tag + len(self._open) + 1:end_tag]
          string = line[start_index:start_tag]
          return [tag, string]