Side effects?

[Jeremy Lavergne]

> I am not having any success with that, Lawrence.  There seems to
> be nothing on the browser pages to check out or download code
> and nothing about that in the browser's help page.

That's right: it's a view into the SVN repo.
What you're after is likely:
svn.macports.org/repository/macports/contrib/Pallet

The path is always fixed until you reach macports/