patch 8.2.2567: Vim9: no error if variable is defined for existing function Commit: https://github.com/vim/vim/commit/6c3843ca8ab105bfb85f6ea8bcec2cbc03f46e7f Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 4 12:38:21 2021 +0100 patch 8.2.2567: Vim9: no error if variable is defined for existing function Problem: Vim9: no error if variable is defined for existing function. Solution: Check if name isn't already in use. (closes https://github.com/vim/vim/issues/7897)