patch 8.2.3200: Vim9: hard to guess where a type error is given Commit: https://github.com/vim/vim/commit/7a3fe3e180bdbce8f193abdf399559c5154bdaae Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 22 14:58:47 2021 +0200 patch 8.2.3200: Vim9: hard to guess where a type error is given Problem: Vim9: hard to guess where a type error is given. Solution: Add the function name where possible. (closes https://github.com/vim/vim/issues/8608)

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