patch 8.2.4120: block insert goes over the end of the line Commit: https://github.com/vim/vim/commit/9f8c304c8a390ade133bac29963dc8e56ab14cbc Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jan 17 17:30:21 2022 +0000 patch 8.2.4120: block insert goes over the end of the line Problem: Block insert goes over the end of the line. Solution: Handle invalid byte better. Fix inserting the wrong text.