patch 8.0.0885: terminal window scrollback is stored inefficiently commit https://github.com/vim/vim/commit/33a43bee9cdc62f9cd0999eb23c6eca01b4d2d67 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 6 21:36:22 2017 +0200 patch 8.0.0885: terminal window scrollback is stored inefficiently Problem: Terminal window scrollback is stored inefficiently. Solution: Store the text in the Vim buffer.

		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]'