[xml] Re: clarification about "empty" text nodes

[Igor Zlatkovic <igor zlatkovic com>]

Daniel Veillard wrote:

> > Function: xmlIsBlankNode
> > int xmlIsBlankNode (xmlNodePtr node)
> >
> > Or am I misunderstanding something?
>
>
>   That's the closest you can get. But basically, *any* text in element
> content is significant. Only the application can tell if a TEXT_NODE
> is significant or not:
>
> <p>
>    <b>important</b>
> </p>
>
>   There is no way to say that what may look like as formatting text
> isn't part of the informations that the author expected to provide the
> reader of the document. If you have a DTD content model you may be
> able to guess it, but without it you just can't assume anything.
>   The content of <p> is not empty, and you have no way to decide
> unless you have other specific knowledge if this is equivalent to
>
> <p><b>important</b></p>

Hehe, you sound afraid, in fear from that well-known, senseless debate 
about "ignorable whitespace". :-)

Ciao,
Igor