patch 9.0.0661: multi-byte "lastline" in 'fillchars' does not work properly Commit: https://github.com/vim/vim/commit/18b3500b8c517e44c23197e558aa36aed1c6916c Author: zeertzjq <zeertzjq@outlook.com> Date: Tue Oct 4 20:35:37 2022 +0100 patch 9.0.0661: multi-byte "lastline" in 'fillchars' does not work properly Problem: Multi-byte "lastline" item in 'fillchars' does not work properly when the window is two columns wide. Solution: Compute the text length correctly. (closes #11280)

>1+0&#ffffff0| @73
|2| @73
|╔+0#0000001#ffd7ff255|═@73
|║| |o+0&#e0e0e08|n|e| @67| +0&#ffd7ff255| +0#0000000#0000001
|║+0#0000001#ffd7ff255| |a|s|d|f|a|s|d|f|a|s|d|f|a|s|d|f|a|s|d|f|a|s|d|f|a|s|d|f|a|s|d|f|a|s|d|f|a|s|d|f|a|s|d|f|a|s|d|f|a|s|d|f|a|s|d|f|a|s|d|f|a|s|d|f|a|s|d|f|a|s|d| | +0#0000000#0000001
|║+0#0000001#ffd7ff255| |f|a|s|d|f|a|s|d|f|a|s|d|f|a|s|d|f|a|s| @52| +0#0000000#a8a8a8255
|╚+0#0000001#ffd7ff255|═@73
|8+0#0000000#ffffff0| @73
|9| @73
@57|1|,|1| @10|T|o|p|