runtime(doc): some improvements to getregion() docs (#14122) Commit: https://github.com/vim/vim/commit/87410ab3f556121dfb3b30515f40c5f079edd004 Author: zeertzjq <zeertzjq@outlook.com> Date: Sat Mar 2 06:00:23 2024 +0800 runtime(doc): some improvements to getregion() docs (https://github.com/vim/vim/issues/14122) - Mention the default selection behavior - Remove useless sentence - Correct description about space padding Signed-off-by: zeertzjq <zeertzjq@outlook.com> Signed-off-by: Christian Brabandt <cb@256bit.org>