Re: [xsl] fo:basic-link

["G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx>]

At 2009-11-06 18:26 -0800, Mark Wilson wrote:
> I have been reviewing <fo:basic-link> and have learned how to use 
> the external- and internal- destination properties. Two test code 
> fragments are listed below. Is there a way to make
>    <fo:basic-link external-destination="s.pdf">
> take me directly to
>    <xsl:attribute name="id">block1</xsl:attribute>
>
> within the s.pdf document rather than just opening the "s.pdf" document?
> If so, how would I change
>    <fo:basic-link external-destination="s.pdf">
> to do that?

First of all, the syntax should be:

  external-destination='url("----uri-here----")'

... but that isn't the answer to your question.

The semantics of now to resolve external URI specifications are 
outside of the XSL-FO specification.  Section 7.23.6 reads:

  "How the destination (sub-)resource is used and/or displayed is
   application and implementation-dependent. In typical browsing
   applications, the destination resource is displayed in the
   browser positioned so that some rendered portion resulting from
   the processing of some part of the specific destination
   sub-resource indicated by the fragment identifier is in view."

Therefore it is up to (a) the vendor's software creating the output 
from your XSL-FO and (b) the software that is engaged by the reader 
that is reading your published XSL-FO to you.  If you are publishing 
to PDF then this would be (a) the vendor of the XSL-FO to PDF 
creation tool and (b) the platform (probably the browser) that is 
engaged when clicking on a link, and I suppose, the reader engaged by 
the browser to catch the link that was clicked.

I would experiment with:

  external-destination='url("s.pdf#block1")'

.... but I don't know of any browser/reader that supports such a 
syntax but perhaps your platform combination described above supports 
that (it has been many years since I've tried).

I hope this helps.  I would appreciate anyone on the list who knows 
of a more reliable syntax to relate their own experiences, but I'm 
not sure we'll hear from anyone.

. . . . . . . . . . . Ken


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