[xsl] Delimited string-value of elements / text nodes with XSLT 1.0?

["B. S." <sbremal@xxxxxxxxxxx>]

Hi,

This is a snippet of my input XHTML whose /html/body part needs to be 
extracted as text.

...
<b>hello1<p>hello2</p>hello3<p>hello4</p>hello5</b>
...

I would like to get this INCLUDING the spaces:

hello1 hello2 hello3 hello4 hello5

The only problem is that XSLT 1.0's value-of concatenates everything under 
/html/body WITHOUT allowing me to specify delimiter.

Is there any way to do this? (I'm using xsltproc with HTML input so XSLT 2.0 
wouldn't be ideal...)

Do I need something recursive here? Note that the depth of the tree is 
unknown just like the order of text nodes and element nodes.

Cheers,
Balazs

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