/xf:instance
xf:messageAlert message/xf:message
/xf:action
/xf:model
Expected output is that a modal overlay appears saying "Alert message" after page load. Instead, one gets the javascript error "Result of expression 'YAHOO.widget.SimpleDialog' [undefined] is not a constructor."
This happens because the yui file container.js (not to be confused with container_core.js), where YAHOO.widget.SimpleDialog is defined, is not in third-party/yui, although it is used in third-party/uxf/src/lib/xforms/message.js
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Owner set to [fdintino](https://github.com/fdintino)
**Priority**: Medium
**Type**: Defect
Imported from backplanejs Google Code issue 109.
Simple xforms model to reproduce:
xf:model