How do you specify langalt in the xmp_property if you're using openchoice as the type for a generic panel?
You can't.
Types openchoice and closedchoice imply an XMP Text property only.
**************
There are some built-in "Text" aliases for three Very-Well-Known fields.
photoshop:Caption (Text) --- dc:description (Lang Alt)
photoshop:Copyright (Text) --- dc:rights/ (Lang Alt)
photoshop:Title (Text) --- dc:title (Lang Alt)
Presumably you could configure these as openchoice.
*************
There is another thread on this forum, "CS5 Generic File Info Memory
Problem",
http://forums.adobe.com/thread/844222?tstart=0
that happens to discuss preloading the MRU cache for a property to
simulate an openchoice for a bag or seq array via the MRU autocomplete
feature. You might try technique for a custom langalt property.
Carl
North America
Europe, Middle East and Africa
Asia Pacific