patch 9.0.1559: function argument types not always checked Commit: https://github.com/vim/vim/commit/2ba51236fb7c27fe16dad4c44242f00e17c19726 Author: Bram Moolenaar <Bram@vim.org> Date: Mon May 15 16:22:38 2023 +0100 patch 9.0.1559: function argument types not always checked Problem: Function argument types not always checked and using v:none may cause an error. Solution: Check argument types once the function type is known. Do not give an error for using v:none as an argument. (closes #12200)

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