commit https://github.com/vim/vim/commit/417ccd7138d4d230d328de8b0d3892dd82ff1bee Author: Bram Moolenaar <Bram@vim.org> Date: Thu Sep 1 21:26:20 2016 +0200 patch 7.4.2304 Problem: In a timer callback the timer itself can't be found or stopped. (Thinca) Solution: Do not remove the timer from the list, remember whether it was freed.