Duane Maxwell wrote:

"I think there are a few changesets lurking around that add XPM reading to
Squeak.  I know I released one a while back, and was told that somebody had
written a better one before me."

You can find Chris Reuter's and Duane Maxwell's XPM code here:

    http://swiki.gsug.org/sqfixes/

Go to the bottom of the page, click on "Show all messages", then search the
page for XPMReadWriter.

Cheers,

---==> Chris