patch 8.2.2578: Lua cannot handle a passed in lambda Commit: https://github.com/vim/vim/commit/86c3a2162c2e78b4f0b87b47779cc1452990ee1b Author: Bram Moolenaar <Bram@vim.org> Date: Mon Mar 8 19:50:24 2021 +0100 patch 8.2.2578: Lua cannot handle a passed in lambda Problem: Lua cannot handle a passed in lambda. Solution: Handle VAR_PARTIAL. (Prabir Shrestha, closes https://github.com/vim/vim/issues/7937, closes https://github.com/vim/vim/issues/7936)