commit https://github.com/vim/vim/commit/8aefbe0ad5d05ee7225b20024b0f3023286ebd0f Author: Bram Moolenaar <Bram@vim.org> Date: Tue Feb 23 20:13:16 2016 +0100 patch 7.4.1405 Problem: Completion menu flickers. Solution: Delay showing the popup menu. (Shougo, Justin M. Keyes, closes https://github.com/vim/vim/issues/656)

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