Subject: Re: bug#6073: 23.1.50; delete-selection-mode

From: Richard Stallman <[email-masked]>
Date: Sun, 02 May 2010 14:46:24 -0400

You probably already know this, but in case you do not: C-x C-x activates the
    region. Since it is active, your yank replaces the region text.

Yes, I know that is the explanation for what happened.
The point is, it was quite inconvenient.  And it surprised
me that C-y would delete the region.