patch 8.2.2707: adding a lot of completions can still be a bit slow Commit: https://github.com/vim/vim/commit/ceb06194337f1a9d30cd12edb7b0dc51830b9cb7 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 4 15:05:22 2021 +0200 patch 8.2.2707: adding a lot of completions can still be a bit slow Problem: Adding a lot of completions can still be a bit slow. Solution: Add the check for CP_FAST. (Ben Jackson)

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