Legal package names

Adrian Hey ahey at
Fri Mar 11 02:43:34 EST 2005

On Thursday 10 Mar 2005 1:47 pm, Malcolm Wallace wrote:
> I think it is something to do with the regular expression describing
> legal Cabal package names.  A package name basically has three
> components: name, version number, and tag.  The middle part, the
> version number, may contain dots, but I imagine the outer parts,
> the name and tag, may not?

Thanks. What's a "tag", BTW? (Cabal docs don't mention it AFAICS,
but maybe I've missed something).

Adrian Hey 

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