patch 8.0.0848: using multiple ch_log functions is clumsy commit https://github.com/vim/vim/commit/2f3a90a3bd8505728c0b6d9ac3515f64ee19b357 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Aug 3 14:49:29 2017 +0200 patch 8.0.0848: using multiple ch_log functions is clumsy Problem: Using multiple ch_log functions is clumsy. Solution: Use variable arguments. (Ozaki Kiichi, closes https://github.com/vim/vim/issues/1919)