code: def hello_escape_marker():
      """
      \b
      Hello, world!
      """
  
imports: from textwrap import dedent
  from typing import cast
  import click
  import pytest
  from mkdocs_click._docs import _show_options, make_command_docs
  from mkdocs_click._exceptions import MkDocsClickException
label_desc: Use image node_id 2 for calling a global function with example usage: hello_escape_marker() without return types