Geert Hendrickx <ghen@telenet.be> writes:

> Thunderbird 2.0 release = reimport the old version as mail/thunderbird15
> and update mail/thunderbird to 2.0
>
> Thunderbird 3.0 release = reimport the old version as mail/thunderbird2
> and update mail/thunderbird to 3.0
>
> And so on...
>
> Although two significant advantages are:
>
> - it keeps most of the CVS history in one place
> - there's a canonical place for Makefile.common and buildlink3 bits
>
> So I think I'll be using this approach eventually.

Perhaps this can be added to the guide as the standard approach.

> I'll have to reimport www/firefox as www/firefox15 and copy www/firefox2 to
> www/firefox as well then.

This will cause an upgrade bump, but it would get us on plan.