code: def test_markdown_to_doxygen():
      compare(markdown_to_doxygen(SAMPLE_MARKDOWN), SAMPLE_DOXYGEN)
  
file_path: jupytext/tests/functional/others/test_doxygen.py
imports: import nbformat
  import pytest
  import jupytext
  from jupytext.cli import jupytext
  from jupytext.compare import compare, compare_notebooks
  from jupytext.doxygen import doxygen_to_markdown, markdown_to_doxygen
label_desc: Use image node_id 1 for calling a global function with example usage: test_markdown_to_doxygen() without return types