fix: revert markdown2 version limitation; markdown2 bug resolved Revert this checkin since 2.4.13 with the fix is current: changeset: 7509:46248c3ca7af user: John Rouillard <rouilj@ieee.org> date: Sun Jun 25 17:03:38 2023 -0400 files: .github/workflows/ci-test.yml .travis.yml description: markdown2 v2.4.9 is broken. Pin to 2.4.8 or earlier. Revert when https://github.com/trentm/python-markdown2/issues/517 is fixed.