patch 9.0.1209: getting interface member does not always work Commit: https://github.com/vim/vim/commit/29ac5df37baf7e6e751c7ebd4ab37a2aa826e9e6 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jan 16 19:43:47 2023 +0000 patch 9.0.1209: getting interface member does not always work Problem: Getting interface member does not always work. Solution: Convert the index on the interface to the index on the object. (closes #11825)