bug#13291: The package description buffer needs an URL button

[Dmitry Gutov]

On 12.01.2013 7:28, Stefan Monnier wrote:
> I don't see any problem with this idea.

Terrific. Patch attached.

Note that I haven't tested it with an actual package repository 
supporting this extension, just with modified -pkg.el and 
archive-contents files.

> > Elpa can at least show links to the repository browser.
> > Or maybe to the pages at elpa.gnu.org.
>
> It should point to the pages at elpa.gnu.org.
>
> > They basically contain the same information as the description buffer,
> > though, so probably not.
>
> The are meant to be the "canonical page" for the package.  Admittedly,
> they seem to contain the same info as the description buffer, but they
> already contain a bit more info (a pointer to the repository browser, a list
> of past revisions) and that could grow over time.

Sounds good to me.

Hopefully, the code responsible for it will take care of the case when 
those pages are not in fact canonical, like org, auctex, etc.

package-homepage-button.diff
Description: Text document