--- [EMAIL PROTECTED] wrote:

> It is obvious from the source above that the validation is duplicated 
> which is not preferable. Is there some solution to avoid this redundancy
> that we have overlooked or should we design XML schemas with using 
> elements instead of attributes ?

Hi Bal�zs,

I assume you have a good reason to want to use the xxforms:valid
attributes, but the first question you can ask yourself is: can I do
without the xxforms:valid attributes? If you can, then the problem is
solved. Otherwise, you can just make the second "nodeset" expression a
little shorter and the code more readable by embedding the <xforms:bind>
expressions:

    <xforms:bind nodeset="/form/document/person" 
            constraint="@name != '' and  @dateOfBirth != ''">
        <xforms:bind nodeset="@name" constraint=". !=  ''"/>
        <xforms:bind nodeset="@dateOfBirth" constraint=". !=  ''"/>
    </xforms:bind>

Alex 



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