patch 8.2.2266: Vim9: it can be hard to see where white space is missing Commit: https://github.com/vim/vim/commit/e7a73e07625b64a40671a0007ad38a34cbe9d1ee Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jan 1 19:17:55 2021 +0100 patch 8.2.2266: Vim9: it can be hard to see where white space is missing Problem: Vim9: it can be hard to see where white space is missing. Solution: Mention the text where the error was seen. (closes https://github.com/vim/vim/issues/7580)

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