patch 8.1.0068: nasty autocommands can still cause using freed memory commit https://github.com/vim/vim/commit/2f82ca7d79148ae931bf28a747ede06ba8a65de8 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 17 19:22:52 2018 +0200 patch 8.1.0068: nasty autocommands can still cause using freed memory Problem: Nasty autocommands can still cause using freed memory. Solution: Disallow using setloclist() and setqflist() recursively.

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refer to the Farsi help file by typing ":help farsi" in Vim.