patch 8.0.0512: check for available characters takes too long commit https://github.com/vim/vim/commit/1572e30607e9a3bee9750242bf37168f7d2b6e66 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Mar 25 20:16:28 2017 +0100 patch 8.0.0512: check for available characters takes too long Problem: Check for available characters takes too long. Solution: Only check did_start_blocking if wtime is negative. (Daisuke Suzuki, closes #1591)