I made a proposal for supporting variables in XForms http://www.w3.org/MarkUp/Forms/wiki/Variables_in_XPath#Proposal_.282011-12.29
The proposal just adds variables as child of action and everywhere else in the document except in the model. I know that there are use cases for defining variables in the model (either explicitly or implicitly by defining binds), but scoping and update/dependency rules will become probably quite complicated. I see variables defined in the model as global variables and so my proposal only defines local variables.
A lot of use cases are solved by only supporting local variables, that's why I want to propose to only standardize those for now.
Kind regards,
Nick Van den Bleeken
R&D Manager
Phone: +32 3 821 01 70
Office fax: +32 3 821 01 71
nick.van.den.bleeken@inventivegroup.com<mailto:nick.van.den.bleeken@inventivegroup.com>
www.inventivedesigners.com
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