[xml/sgml-pkgs] Expat 2.0.1 packaging

[ardo at ardolabs.com]

>> We also need to run this by the release team, as they like to know which
>> libraries are upgrading.  And since this is a very special case, we need
>> to make sure that what we're going to do works.
>
> Do you first want to test a possible solution or should we bring this up
> on debian-release/devel soon?

Let's wait until Bryan has the results of his inquiry so we now how bad
the damage is.

Thanks,
Ardo