patch 8.2.4181: Vim9: cannot use an import in 'diffexpr' Commit: https://github.com/vim/vim/commit/7b29f6a3949743914f08410b6f6bd6237c2f2038 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 22 17:58:13 2022 +0000 patch 8.2.4181: Vim9: cannot use an import in 'diffexpr' Problem: Vim9: cannot use an import in 'diffexpr'. Solution: Set the script context when evaluating 'diffexpr'. Do not require 'diffexpr' to return a bool, it was ignored anyway.