Is archive instead of delete for Gmail an Apple iPhone iOS4 bug?

When deleting emails using a Gmail account on the Apple iPhone 3GS with iOS4 by pressing the bin icon, the messages are now archived and aren't deleted. Is this a bug?

As it turns out this unexpected behaviour is a new feature of the iOS4 operating system. To find out how to again have your emails deleted clients can request MyAnswers solution 2008.

Kelvin Eldridge