On 10.01.2011, at 17:45, Chris Muller wrote:

> I did not allow the versioned package to have the postscript removed.
> But I've been noticing in my WorkingCopy's... when clicking the
> "Changes" button on a dirty package in the MC browser, LATELY, that
> often only the preamble or postscript has been removed... 

That would happen if you unregister PackageInfo instances. They hold onto the scripts. PIs are re-created on demand but of course without the scripts.

- Bert -