commit https://github.com/vim/vim/commit/c7f0ebc6d1e1cdaed816b88a0d6092c5ace615eb Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 27 21:10:09 2016 +0100 patch 7.4.1438 Problem: Can't get buffer number of a channel. Solution: Add ch_getbufnr().

1 a aa abb abbcc
2 d dd dee deeff
3 g gg ghh ghhii
4 j jj jkk jkkll
5 m mm mnn mnnoo
6 x aa$ x
7 (a)(b) abba
8 axx ab]xx
9 foobar
9 foo