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- From: Michel Rodriguez <mrodrigu@ieee.org>
- To: Leigh Dodds <ldodds@ingenta.com>
- Date: Wed, 24 May 2000 11:32:48 -0400 (EDT)
On Wed, 24 May 2000, Leigh Dodds wrote:
> > option 1 option 2
> >
> > [1] A and B are not in undef undef
> > the same document
> > [2] A is before B -1 -1
> > [3] B is before A 1 1
> > [4] A and B are equal 0 0
> > [5] A is within B 0 1 (B starts before A)
> > [6] B is within A 0 -1 (A starts before B)
>
> Could you provide some additional information on how you're
> distinguishing between the different categories?
>
> E.g.:
>
> Is [5] := <A><B/></A> ?
> Is [2] := <A/><B/> ?
[2] <A>...</A>...<B>...</B>
[5] <B>...<A>...</A>...</B>
Note that A and B are elements, not element type, they could perfectly
have the same gi.
And I was looking for a "standard" way to do simple comparisons, without
delving into axes, so I guess using the document order (option 2 is
probably an acceptable solution).
No matter which one I choose anyway there will be situation where
something like
if( $a->after( $b) || $a->in( $b) ) { ... } (option 1)
or (for a different case)
if( $a->after( $b) && !$a->in( $b) ) { ... } (option 2)
will be needed.
Michel
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