patch 8.2.0120: virtcol() does not check arguments to be valid Commit: https://github.com/vim/vim/commit/b3d33d8570bc49a7f90990572d7f9630a1bfae02 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jan 15 20:36:55 2020 +0100 patch 8.2.0120: virtcol() does not check arguments to be valid Problem: virtcol() does not check arguments to be valid, which may lead to a crash. Solution: Check the column to be valid. Do not decrement MAXCOL. (closes #5480)

|4+0&#ffffff0|6| @9|╔+0#0000001#ffd7ff255|═@9|╗| +0#0000000#ffffff0@50
|4|7| @9|║+0#0000001#ffd7ff255| |t|h|e| |t|e|x|t| |║| +0#0000000#ffffff0@50
|4|8| @9|╚+0#0000001#ffd7ff255|═@9|╝| +0#0000000#ffffff0@50
>t|e|x|t| |t+0&#5fd7ff255|o| |w|o|r|k| +0&#ffffff0|w|i|t|h| @57
|5|1| @72
|5|2| @72
|5|3| @72
|5|4| @72
|5@1| @72
@57|4|9|,|1| @9|5|0|%|