[xquery-talk] A doc()-map chain operator proposal

[Benito van der Zander]

Hi Michael,

> I think it would be quite inappropriate for any function or operator in XPath to attach special meaning to attribute of a particular name, such as @href. The only way it would make sense would be is if there’s a W3C defining the semantics of the attribute - e.g. @xlink:href - but almost no-one uses that.

Well, HTML defines its own semantics for all elements and attributes.

> Indeed, that is why XQuery does not allow a conformant implementation to add its own operators.

Too late to care about that, when there are already JSONiq's constructors.


Cheers,
Benito


On 18.05.2015 17:36, Michael Kay wrote:
> I think it would be quite inappropriate for any function or operator in XPath to attach special meaning to attribute of a particular name, such as @href. The only way it would make sense would be is if there’s a W3C defining the semantics of the attribute - e.g. @xlink:href - but almost no-one uses that.
>
>> Because it would be a shame to add it in an implementation, and then get XQuery 4, where there is a ~ operator that does something completely different.
>>
> Indeed, that is why XQuery does not allow a conformant implementation to add its own operators.
>
> Michael Kay
> Saxonica
>
>
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