[llvm-branch-commits] [clang-tools-extra] [clang-doc] add namespaces to JSON generator (PR #143209)

[Paul Kirth via llvm-branch-commits]

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

LGTM. I left some comments inline, but I'm fine if we plan to address them later.

https://github.com/llvm/llvm-project/pull/143209