bug#18086: 24.4.50; NEWS entry for `kill-region'

[Drew Adams]

>From the beginning, and forever prior to Emacs 24.4, `kill-region' had
this signature: (kill-region BEG END).  That includes Emacs 24.3.

Starting with Emacs 24.4, this is the signature:
(kill-region BEG END &optional REGION)

1. This change should be called out in NEWS.

2. Instead, there is this entry in NEWS for Emacs 24.4, under
"Incompatible Lisp changes in Emacs 24.4":

** `kill-region' has lost its `yank-handler' optional argument.

This is incomprehensible.  It never had a `yank-handler' optional
argument.


In GNU Emacs 24.4.50.1 (i686-pc-mingw32)
 of 2014-06-28 on ODIEONE
Bzr revision: 117431 rgm@gnu.org-20140628015517-eku6hj8mpgcvfnso
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
 `configure --prefix=/c/Devel/emacs/snapshot/trunk
 --enable-checking=yes,glyphs 'CFLAGS=-O0 -g3'
 LDFLAGS=-Lc:/Devel/emacs/lib 'CPPFLAGS=-DGC_MCHECK=1
 -Ic:/Devel/emacs/include''