TASK request for a future release:
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We should allow more than one remote apps URL, and thus more than one
HTMLEntryManager.
The Advanced Panel could be changed to replace Remote Apps URL:
with buttons to add and remove remote apps URL's. all of the
corrisponding HTMLEntryManagers could be listed in the View menu
(Previously known as the application group combo box).
At the very least, if this is not implemented, the Remote Applications URL
text field should be changed to an editible combo box, where the entries could
contain all the remote app url's previously selected. (this would make it
a lot easier to go back to a previously used remote pps url, after trying
another one).