commit https://github.com/vim/vim/commit/a6e42501424f6670fa864c739d2dc2eb764900b9 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Apr 20 16:19:52 2016 +0200 patch 7.4.1756 Problem: "dll" options are not expanded. Solution: Expand environment variables. (Ozaki Kiichi)

Tests for file with some lines ending in CTRL-M, some not

STARTTEST
:set ta tx
:e!
:$-3,$w! test.out
:qa!
ENDTEST

this lines ends in a
this one doesn't
this one does
and the last one doesn't