SAX2: Features and Properties

[David Brownell]

David Megginson wrote:
> 
> http://xml.org/sax/properties/dom-node
>   Read-only.  Valid only during a callback (null otherwise).
>   The DOM node currently being visited if SAX is being used as a DOM
>   iterator and is visiting a DOM node.

Having this be read-only means that there's no portable way
to use this "dom iterator" facility, since there's no way to
feed initial the DOM node to it!!

A simple fix:  it's readonly inside a parse() invocation, and
is writable otherwise.

Not fixing this means that such iterators must be nonportable;
which should IMHO be an anti-goal.

- Dave

p.s. This issue was raised in the initial discussions.

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