XPath in attributes

Hi,

I really would like to see XPath in attributes.

<rect x="id('someElem')/@width + 10" ...>

I implemented some workaround in JS wich works
similar:

<rect x="10" constrNS:x="id('theOtherRect')/@width -
50" width="40" height="30" y="10" />

It is a quite simple impl. and only tries to show
the concept and how it could be managed with JS.

http://jan.kollhof.net/projects/svg/examples/constr.svg

It works in ASV6 and Batik, it should work in all
viewers which support DOMAttrModified events.

Jan



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