XForms 2.0: Added load/@show='embed' and unload

I added the first version of load embedding to the XForms 2.0 editor's 
draft, as I had been previously tasked with writing this up.

Discussion is at http://www.w3.org/MarkUp/Forms/wiki/Load_Embedding

added load/@show='embed' and @targetid
http://www.w3.org/MarkUp/Forms/wiki/XForms_2.0#The_load_Element
TODO: Need to specify event sequence

Added unload action
http://www.w3.org/MarkUp/Forms/wiki/XForms_2.0#The_unload_Element
TODO: Need to specify event sequence

Received on Friday, 10 February 2012 00:01:30 UTC