commit https://github.com/vim/vim/commit/b6b5252bcde68b296858bc090cb424493635dfec Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 20 23:30:07 2016 +0100 patch 7.4.1376 Problem: ch_setoptions() cannot set all options. Solution: Support more options.

Test A:
  - file name displayed: test://bar.txt
  - quickfix claims that the file name displayed is: test://bar.txt
Test B:
  - number of window open: 2
Test C:
  - 'buftype' of the location list window: quickfix
  - buffer displayed in the 2nd window: test://quux.txt