commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Feb 15 21:56:54 2016 +0100 patch 7.4.1324 Problem: Channels with pipes don't work on MS-Windows. Solution: Add pipe I/O support. (Yasuhiro Matsumoto)

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