commit https://github.com/vim/vim/commit/93c88e0f6a4a8f7634ed84721daf4af46fc0d5db Author: Bram Moolenaar <Bram@vim.org> Date: Tue Sep 15 14:12:05 2015 +0200 patch 7.4.866 Problem: Crash when changing the 'tags' option from a remote command. (Benjamin Fritz) Solution: Instead of executing messages immediately, use a queue, like for netbeans. (James Kolb)

Tests for writefile()

STARTTEST
:source small.vim
:%delete _
:let f = tempname()
:call writefile(["over","written"], f, "b")
:call writefile(["hello","world"], f, "b")
:call writefile(["!", "good"], f, "a")
:call writefile(["morning"], f, "ab")
:call writefile(["", "vimmers"], f, "ab")
:bwipeout!
:$put =readfile(f)
:1 delete _
:w! test.out
:qa!
ENDTEST