patch 8.2.4305: tex filetype detection fails Commit: https://github.com/vim/vim/commit/e5b7897585eccec84431d8b23df5cde2e283828c Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 5 19:50:34 2022 +0000 patch 8.2.4305: tex filetype detection fails Problem: Tex filetype detection fails. Solution: Check value to be positive. (closes https://github.com/vim/vim/issues/9704)

# Clang 12 (or Apple clang 13) and later makes a warning '-Wcompound-token-split-by-macro' enable by default.
/^PERL_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=compound-token-split-by-macro/
/^RUBY_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=compound-token-split-by-macro/