[Mediawiki-l] Upgrade from 1.1?

[A Chan]

Hello Folks,

I have a MediaWiki instance that is still on version
1.1.  What strategy do you recommend for upgrading to
1.3?  Do I need to upgrade 1.1 to 1.2 to 1.3?  Or can
I upgrade 1.1 directly to 1.3?

Thanks for your help!
-Amy