patch 8.2.2860: adding a text property causes the whole window to be redawn Commit: https://github.com/vim/vim/commit/1764faa38645a559172e9a31f08447385835de81 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 16 20:18:57 2021 +0200 patch 8.2.2860: adding a text property causes the whole window to be redawn Problem: Adding a text property causes the whole window to be redawn. Solution: Use changed_lines_buf() to only redraw the affected lines.