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[xsl] XSLT 3.0 accumulator: what is the default value of @streamable?

2013-12-31 04:19:58
Hi Folks,

In the latest XSLT specification it defines the accumulator instruction like so:

<xsl:accumulator
        name = eqname
        streamable? = "yes" | "no" >
     ...

Notice that it has an optional attribute: streamable.

What is the default value for @streamable?

I presume the default value is "yes" because I created a streaming program 
using an accumulator and I didn't use @streamable.

If @streamable defaults to "yes", then why would I ever write: 

        <xsl:accumulator name="..."  streamable="yes">

?

More generally, why have @streamable at all? It doesn't seem to provide 
anything useful.

/Roger


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