patch 8.2.1644: Vim9: cannot assign 1 and 0 to bool at script level Commit: https://github.com/vim/vim/commit/ba7c0d7b4ce03336b4aebe1959c1a8342fa6dbd4 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Sep 9 18:54:42 2020 +0200 patch 8.2.1644: Vim9: cannot assign 1 and 0 to bool at script level Problem: Vim9: cannot assign 1 and 0 to bool at script level. Solution: Add the TTFLAG_BOOL_OK flag to the type. Fix name of test function.

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