patch 8.2.2290: Vim9: unlet of global variable cannot be compiled Commit: https://github.com/vim/vim/commit/2ef951dd31505874ae9ac35a18513ef34ae0ea3e Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 3 20:55:26 2021 +0100 patch 8.2.2290: Vim9: unlet of global variable cannot be compiled Problem: Vim9: unlet of global variable cannot be compiled. Solution: Skip over variables that might be defined later. Give an error if a subscript is found. (closes #7585)