patch 9.0.0824: crash when using win_move_separator() in other tab page Commit: https://github.com/vim/vim/commit/873f41a0187e81a22aa4622fbf938de72a54abba Author: zeertzjq <zeertzjq@outlook.com> Date: Tue Nov 1 11:44:43 2022 +0000 patch 9.0.0824: crash when using win_move_separator() in other tab page Problem: Crash when using win_move_separator() in other tab page. Solution: Check for valid window in current tab page. (closes #11479, closes #11427)

>1+0&#ffffff0| @73
|2| @73
|╔+0#0000001#ffd7ff255|═@73
|║| |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#a8a8a8255
|║+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#0000001
|║+0#0000001#ffd7ff255| |t+0&#e0e0e08|h|r|e@1| @65| +0&#ffd7ff255| +0#0000000#0000001
|╚+0#0000001#ffd7ff255|═@73
|8+0#0000000#ffffff0| @73
|9| @73
@57|1|,|1| @10|T|o|p|