commit https://github.com/vim/vim/commit/a122b5e98afe18c9cfdab31b77d2a9fbb8e36416 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Sep 8 19:13:51 2015 +0200 patch 7.4.860 Problem: Filetype detection is outdated. Solution: Include all recent and not-so-recent changes.

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