ac16f00352
This does two things: 1. It increases the contrast of the signatures 2. It ensures that there's some spacing when there's two signature elements back-to-back (which happens when documenting structs, for instance), making it easier to tell things apart. Reviewed-by: Jani Nikula <jani@nikula.org> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24507>