Re: Alert MIP Proposal

> Without wishing to dilute the discussion, I am not sure (but maybe  
> wrong) that the specification makes the interaction between @required  
> and @constraint clear. For instance if >I have an integer field that can  
> be blank, but if provided should be greater than 10 do I write:

This is a good point and exactly something we are discussing at the moment  
(thread starting at
https://lists.w3.org/Archives/Public/public-xformsusers/2017May/0003).

The only stumbling block we have at the moment is backwards-compatibility,  
but it is a topic of discussion.

Best wishes,

Steven