docs: def remove_codeblock_syntax_sentinals(code_text):
      r"""
      Removes template comments and vim sentinals
  
      Args:
          code_text (str):
  
      Returns:
          str: code_text_
      """
      flags = re.MULTILINE | re.DOTALL
      code_text_ = code_text
      code_text_ = re.sub(r'^ *# *REM [^\n]*$\n?', '', code_text_, flags=flags)
      code_text_ = re.sub(r'^ *# STARTBLOCK *$\n', '', code_text_, flags=flags)
      code_text_ = re.sub(r'^ *# ENDBLOCK *$\n?', '', code_text_, flags=flags)
      code_text_ = code_text_.rstrip()
      return code_text_