# Self-Diagnosis - [ ] This pull request fixes #ISSUE_NUMBER. - [ ] This pull request is related to SOME_REFERENCE. - [ ] This pull request is small, uncontroversial, complete, and easy to review. - [ ] I have enabled and run all GitHub Actions CI in my fork repository, and hence expect CI to be all-green for this pull request. - [ ] I have read the [contribution guidelines](https://github.com/libexpat/libexpat/blob/HEAD/CONTRIBUTING.md), and this pull request meets these guidelines for contribution. - [x] I had trouble understanding parts of this questionnaire. (Please elaborate.) # Description TODO: This pull request does X because of Y in order to Z.