commit https://github.com/vim/vim/commit/71bcfdf30109c3d6e40d143adcaf33964b18a70b Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 9 18:20:46 2016 +0100 patch 7.4.1068 Problem: Wrong way to check for unletting internal variables. Solution: Use a better way. (Olaf Dabrunz)

		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]'