RE: XPath: all elements with only non-parent children

 
> Tobias wrote:
> 
> >Jeni kindly provided me this one:
> >
> >  *[* and
> >     not(*/node()) and
> >     not(*[not(@style)]) and
> >     not(*/@style != */@style)]
> 
> Hi Tobias, Jeni:
> 
> maybe a dumb question but why all the "not"s (and writhing 
> and fainting in
> coils?)
> wouldn't 
> *[* and not(*/node()) and (*/@style) and (*/@style = */@style)] 
> work the same way?
> 
> Tom S-W
> 
> 
No that wouldn't work, if I remember correctly from my electronics study

 not(A) and not(B) equals not(A or B)

I think its called the laws of Morgan or something 
so in your case that would lead to

*[* and not(*/node()) or (*/@style) or (*/@style = */@style)]

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Gertjan Assies
web developer

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