RE: [historical question] Has the property "order-by" ever been supported by W3C XSL(T) ?

> 
> So I just have no idea about where did the obsoleted property 
> "order-by" come from.
> 

Are you referring to the order-by attribute in the Microsoft WD-xsl
dialect perhaps? I think that was a Microsoft invention.

But perhaps I've misunderstood your question, you didn't give much
context.

Michael Kay