[libc-commits] [libc] [libc][docs] adds macro handling, POSIX status, and validation to docgen (PR #89421)

[Nick Desaulniers via libc-commits]

https://github.com/nickdesaulniers approved this pull request.

looks great! Thank you for this addition, and apologies again for the delay in reviewing (as I'm currently in and out of paternity leave). Do you need me to merge this for you?

https://github.com/llvm/llvm-project/pull/89421