patch 9.0.0971: escape sequences not recognized without termresponse feature Commit: https://github.com/vim/vim/commit/6f2a22756536849f9e45caa4ddd62cab4334f065 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 29 13:59:13 2022 +0000 patch 9.0.0971: escape sequences not recognized without termresponse feature Problem: Escape sequences not recognized without the termresponse feature. Solution: Recognize escape sequences to avoid display mess up.

# 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/