[clang] [Clang][Comments] Allow HTML tags across multiple lines (PR #120843)

[Aaron Ballman via cfe-commits]

https://github.com/AaronBallman commented:

Please be sure to also add a release note to `clang/docs/ReleaseNotes.rst` so users know about the fix. In principle, the changes LGTM but I do wonder if this is a part of the compiler that could benefit from some fuzzing to help shake out parsing issues.

https://github.com/llvm/llvm-project/pull/120843