bug#5415: 23.1.91; yank vs. X clipboard

[email protected] Mon, 18 Jan 2010 20:36:29 +0800
Newsgroups gmane.emacs.bugs,gmane.emacs.pretest.bugs
Message-ID <[email protected]>
Lately I have to make sure there's nothing in emacs yank buffer if I
want to copy anything from the X clipboard into emacs.
Else I just end up yanking what was inside the emacs yank buffer.

I checked inside /usr/share/emacs/23.1.91/lisp/term/x-win.el.gz
but couldn't find the solution.