patch 8.2.4552: in a :def function "put = expr" does not work Commit: https://github.com/vim/vim/commit/d0b7bfa95798f5ec743d8afffbffb83aeac823da Author: Bram Moolenaar <Bram@vim.org> Date: Sat Mar 12 14:51:16 2022 +0000 patch 8.2.4552: in a :def function "put = expr" does not work Problem: In a :def function "put = expr" does not work. Solution: Skip over white space. (closes https://github.com/vim/vim/issues/9936)

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