patch 9.0.2159: screenpos() may crash with neg. column Commit: https://github.com/vim/vim/commit/ec54af4e26952d954a4cc009f62c80ea01445d30 Author: zeertzjq <zeertzjq@outlook.com> Date: Tue Dec 12 16:43:44 2023 +0100 patch 9.0.2159: screenpos() may crash with neg. column Problem: screenpos() may crash with neg. column Solution: validate and correct column closes: #13669 Signed-off-by: zeertzjq <zeertzjq@outlook.com> Signed-off-by: Christian Brabandt <cb@256bit.org>

|a+0&#ffffff0@1| @72
|a@2| @71
|a@3| @70
|(|a@2>)| @69
| +0#0000001#ffd7ff255|a@1| @12| +0#4040ff13#ffffff0@58
| +0#0000001#e0e0e08|a@2| @11| +0#4040ff13#ffffff0@58
| +0#0000001#ffd7ff255|a@3| @10| +0#4040ff13#ffffff0@58
|~| @73
|~| @73
|-+2#0000000&@1| |K|e|y|w|o|r|d| |c|o|m|p|l|e|t|i|o|n| |(|^|N|^|P|)| |m+0#00e0003&|a|t|c|h| |2| |o|f| |3| +0#0000000&@33