commit https://github.com/vim/vim/commit/da59dd5da6440c3410866ed61ce169a2012ba5bd Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 5 21:59:58 2016 +0100 patch 7.4.1053 Problem: Insufficient testing for quickfix commands. Solution: Add a new style quickfix test. (Yegappan Lakshmanan)

Tests for complicated + argument to :edit command

STARTTEST
:$-1w! Xfile1
:$w! Xfile2
:edit +1|s/|/PIPE/|w Xfile1| e Xfile2|1 | s/\//SLASH/|w
:w! test.out
:e Xfile1
:w >> test.out
:qa!
ENDTEST

The result should be in Xfile1: "fooPIPEbar", in Xfile2: "fooSLASHbar"
foo|bar
foo/bar