commit https://github.com/vim/vim/commit/bd4593ffb170230504500ddedabad3fad1f31291 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 23 22:51:07 2016 +0100 patch 7.4.1160 Problem: No error for jsondecode('"'). Solution: Give an error message for missing double quote.

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