patch 8.2.5034: there is no way to get the byte index from a virtual column Commit: https://github.com/vim/vim/commit/5a6ec10cc80ab02eeff644ab19b82312630ea855 Author: Bram Moolenaar <Bram@vim.org> Date: Fri May 27 21:58:00 2022 +0100 patch 8.2.5034: there is no way to get the byte index from a virtual column Problem: There is no way to get the byte index from a virtual column. Solution: Add virtcol2col(). (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/10477, closes #10098)