patch 9.0.0335: checks for Dictionary argument often give a vague error Commit: https://github.com/vim/vim/commit/04c4c5746e15884768d2cb41370c3276a196cd4c Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Tue Aug 30 19:48:24 2022 +0100 patch 9.0.0335: checks for Dictionary argument often give a vague error Problem: Checks for Dictionary argument often give a vague error message. Solution: Give a useful error message. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/11009)