Fedora Project launches Pre-Extras

[seth vidal]

> And you know what, if the repo-tag was not included it would be even worse 
> for RPM tools as there would be no distinctive identifier to indicate 
> which one it should take. At least now you can specify based on that.

as it is the few-letter tag in the release tag is not distinctive and
not helpful. It's, at best, an easy false positive match and it reduces
available namespace for items usable in the release tag.

-sv