patch 8.2.1838: Vim9: cannot insert a comment line in an expression Commit: https://github.com/vim/vim/commit/93be1644db2848659b0610477968c83f53619da1 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Oct 11 21:34:41 2020 +0200 patch 8.2.1838: Vim9: cannot insert a comment line in an expression Problem: Vim9: cannot insert a comment line in an expression. Solution: Skip comment lines at the script level. (closes https://github.com/vim/vim/issues/7111)

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