commit https://github.com/vim/vim/commit/3b05b135e3ee4cfd59983fd63461e8f7642c1713 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 3 23:25:07 2016 +0100 patch 7.4.1254 Problem: Opening a second channel causes a crash. (Ken Takata) Solution: Don't re-allocate the array with channels.

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