patch 8.2.4379: an empty change is reported to a listener Commit: https://github.com/vim/vim/commit/55737c2a31ed450dd7bf2a9c587adfbb32b755bb Author: Bram Moolenaar <Bram@vim.org> Date: Mon Feb 14 14:51:22 2022 +0000 patch 8.2.4379: an empty change is reported to a listener Problem: An empty change is reported to a listener. Solution: Do not report an empty change. (closes https://github.com/vim/vim/issues/9768) Remove unused return value.