patch 8.2.1349: Vim9: can define a function with the name of an import Commit: https://github.com/vim/vim/commit/eef2102e20d24f5fbd1c9f53c7a35df61585c5ab Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 1 22:16:43 2020 +0200 patch 8.2.1349: Vim9: can define a function with the name of an import Problem: Vim9: can define a function with the name of an import. Solution: Disallow using an existing name. (closes https://github.com/vim/vim/issues/6585)