patch 8.2.3798: a :def callback function postpones an error message Commit: https://github.com/vim/vim/commit/3b309f11db7904efcae0177c2825597042c07427 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Dec 13 18:19:55 2021 +0000 patch 8.2.3798: a :def callback function postpones an error message Problem: A :def callback function postpones an error message. Solution: Display the error after calling the function. (closes https://github.com/vim/vim/issues/9340)

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