GNU Arch moves to GPL v3 or later

"Stephen J. Turnbull" <[email protected]> Sat, 08 Sep 2007 06:00:44 +0900
Newsgroups gmane.comp.version-control.arch.user
Message-ID <[email protected]>
Andy Tai writes:

 > Hi, I am thinking of putting future releases of GNU Arch under the GNU
 > GPL v3 or later versions of the GPL as published by the Free Software
 > Foundation.

Er, why make Arch code license-incompatible with a lot of GPLv2 code
that's out there, such as the Linux kernel and (for now) XEmacs?

What's so wrong with GPLv2?