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)

|~+0#4040ff13#ffffff0| @73
|~| @73
|~| @73
|~| @73
|E+0#ffffff16#e000002|1|0|7|9|:| |C|a|n@1|o|t| |d|e|c|l|a|r|e| |a| |v|a|r|i|a|b|l|e| |o|n| |t|h|e| |c|o|m@1|a|n|d| |l|i|n|e| +0#0000000#ffffff0@22
|P+0#00e0003&|r|e|s@1| |E|N|T|E|R| |o|r| |t|y|p|e| |c|o|m@1|a|n|d| |t|o| |c|o|n|t|i|n|u|e> +0#0000000&@35