Visara controllers & TN3270E command chaining extension

The documentation for the Visara SCON-22L console
concentrator which has an embedded TN3270E server
mentions that it includes "an extension to the
TN3270E spec that provides the ability to support
Command Chaining" that is used by console sessions.

As far as I can tell this is not something covered
in RFC2355 or the TN3270E Functional Extensions doc.
I've been told that clients from Attachmate and
maybe Hummingbird support this extension, and I'd
like to add it to our 3270 client.

Is there anyone on this list from Visara (or
elsewhere) who can provide any documentation as
to what this extension is, or provide a phone
or email address at Visara for me to contact?

Thanks,

Andrew Porter

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