patch 8.2.3753: Vim9: function unreferenced while called is never deleted Commit: https://github.com/vim/vim/commit/2336c376d5796446d44622b0dfa8fd3fd1a5d22b Author: Bram Moolenaar <Bram@vim.org> Date: Mon Dec 6 15:06:54 2021 +0000 patch 8.2.3753: Vim9: function unreferenced while called is never deleted Problem: Vim9: function unreferenced while called is never deleted. Solution: Delete a function when no longer referenced.