commit https://github.com/vim/vim/commit/c8dcbb12c5d7f3eb0c334daebb4475bb015b91e7 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Feb 25 23:10:17 2016 +0100 patch 7.4.1421 Problem: May free a channel when a callback may need to be invoked. Solution: Keep the channel when refcount is zero.

		O sodales, ludite, vos qui attamen consulite per voster honur.
Tua pulchra facies me fay planszer milies

This line.  Should be joined with the next line and with this line

Results:
First test: Start/End '[0, 16, 1, 0]/[0, 17, 1, 0]'
Second test: Start/End '[0, 19, 11, 0]/[0, 19, 67, 0]'