patch 8.1.0280: 'incsearch' highlighting does not work for ":g!/" commit https://github.com/vim/vim/commit/def7b1dc6104a6ce6d7c3e3a615231178601b124 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Aug 13 22:54:35 2018 +0200 patch 8.1.0280: 'incsearch' highlighting does not work for ":g!/" Problem: 'incsearch' highlighting does not work for ":g!/". Solution: Skip the exclamation mark. (Hirohito Higashi)

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