patch 8.2.2612: col('.') may get outdated column value Commit: https://github.com/vim/vim/commit/18b7d86d7fa997bbb02a069dafacb32a0f73ca1e Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 17 13:28:05 2021 +0100 patch 8.2.2612: col('.') may get outdated column value Problem: col('.') may get outdated column value. Solution: Add a note to the help how to make this work and add a test for it. (closes #7971)