patch 9.0.0644: 'smoothscroll' is not copied to a new window on :split Commit: https://github.com/vim/vim/commit/b1fd26d208aadc96d3e8b9215f761150f40a9f91 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Oct 3 11:23:02 2022 +0100 patch 9.0.0644: 'smoothscroll' is not copied to a new window on :split Problem: 'smoothscroll' is not copied to a new window on :split. Solution: Copy the option value. Add a test.

# 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/