patch 8.2.4427: getchar() may return modifiers if no character is available Commit: https://github.com/vim/vim/commit/ad6c45f62558e03d3e3a927b3fe4dbaf30a36bef Author: zeertzjq <zeertzjq@outlook.com> Date: Sun Feb 20 19:05:10 2022 +0000 patch 8.2.4427: getchar() may return modifiers if no character is available Problem: getchar() may return modifiers if no character is available. Solution: Do not process modifiers when there is no character. (closes https://github.com/vim/vim/issues/9806)

|t+0&#ffffff0|h|i|s| |i|s| |s+1&&|o|m|e|t|h|i|n|g| +0&&@57
@75
|~+0#4040ff13&| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|[+3#0000000&|1|/|1|]| @69
|/+0&&|s|o|m|e|t|h|i|n|g> @64