commit https://github.com/vim/vim/commit/ba117c23dfd1146aca3235bea172df17a48bccee Author: Bram Moolenaar <Bram@vim.org> Date: Tue Sep 29 16:53:22 2015 +0200 patch 7.4.888 Problem: The OptionSet autocommands are not triggered from setwinvar(). Solution: Do not use switch_win() when not needed. (Hirohito Higashi)

		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]'