patch 8.2.4540: line number for error is off by one Commit: https://github.com/vim/vim/commit/1b1df95f1a84cbc362e32f676f1e135aa2e7fc3c Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 10 20:01:50 2022 +0000 patch 8.2.4540: line number for error is off by one Problem: Line number for error is off by one. Solution: Remember the line number of the comparison. (closes https://github.com/vim/vim/issues/9923)

/^CFLAGS[[:blank:]]*=/s/$/ -Wall -Wextra -Wshadow -Werror/
/^PERL_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=unused-function/
/^RUBY_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=unused-parameter/