patch 9.0.1271: using sizeof() and subtract array size is tricky Commit: https://github.com/vim/vim/commit/1b438a8228a415720efb5ca1c0503f5467292e8e Author: zeertzjq <zeertzjq@outlook.com> Date: Wed Feb 1 13:11:15 2023 +0000 patch 9.0.1271: using sizeof() and subtract array size is tricky Problem: Using sizeof() and subtract array size is tricky. Solution: Use offsetof() instead. (closes https://github.com/vim/vim/issues/11926)