patch 8.0.0352: not easy to see when a typval needs to be cleared commit https://github.com/vim/vim/commit/f06e5a549f42396be3478ccc1b5f03be64e1173e Author: Bram Moolenaar <Bram@vim.org> Date: Thu Feb 23 14:25:17 2017 +0100 patch 8.0.0352: not easy to see when a typval needs to be cleared Problem: The condition for when a typval needs to be cleared is too complicated. Solution: Init the type to VAR_UNKNOWN and clear it always.