patch 8.2.2245: Vim9: return value of winrestcmd() cannot be executed Commit: https://github.com/vim/vim/commit/285b15fce164ade8b1537b884cc15aebaa60e9ef Author: Bram Moolenaar <Bram@vim.org> Date: Tue Dec 29 20:25:19 2020 +0100 patch 8.2.2245: Vim9: return value of winrestcmd() cannot be executed Problem: Vim9: return value of winrestcmd() cannot be executed. Solution: Put colons before each range. (closes https://github.com/vim/vim/issues/7571)

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