patch 8.1.1242: no cmdline redraw when tabpages have different 'cmdheight' commit https://github.com/vim/vim/commit/0fef0aeb1ca6c85df0a656a70b6ca49c34563c89 Author: Bram Moolenaar <Bram@vim.org> Date: Wed May 1 20:30:40 2019 +0200 patch 8.1.1242: no cmdline redraw when tabpages have different 'cmdheight' Problem: No cmdline redraw when tabpages have different 'cmdheight'. Solution: redraw the command line when 'cmdheight' changes when switching tabpages. (closes #4321)

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