commit https://github.com/vim/vim/commit/7ef3810d28b7ab2edbfcafab3fe8ad8bc2c2f138 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Sep 26 22:36:58 2016 +0200 patch 8.0.0015 Problem: Can't tell which part of a channel has "buffered" status. Solution: Add an optional argument to ch_status(). Let ch_info() also return "buffered" for out_status and err_status.