patch 8.2.3900: it is not easy to use a script-local function for an option Commit: https://github.com/vim/vim/commit/8bb65f230d3025037f34021a72616038da0601ee Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Sun Dec 26 10:51:39 2021 +0000 patch 8.2.3900: it is not easy to use a script-local function for an option Problem: It is not easy to use a script-local function for an option. Solution: recognize s: and <SID> at the start of the expression. (Yegappan Lakshmanan, closes #9401)