patch 8.1.2228: screenpos() returns wrong values when 'number' is set Commit: https://github.com/vim/vim/commit/38ba4dce4a8574e60f6ddb111922880b0c7affdc Author: Bram Moolenaar <Bram@vim.org> Date: Sun Oct 27 21:39:09 2019 +0100 patch 8.1.2228: screenpos() returns wrong values when 'number' is set Problem: screenpos() returns wrong values when 'number' is set. (Ben Jackson) Solution: Compare the column with the window width. (closes #5133)

--- a/src/move.c
+++ b/src/move.c
@@ -1217,7 +1217,7 @@ textpos2screenpos(
 	    col -= rowoff * width;
 	}
 	col -= wp->w_leftcol;
-	if (col >= width)
+	if (col >= wp->w_width)
 	    col = -1;
 	if (col >= 0)
 	    coloff = col - scol + wp->w_wincol + 1;