[xep-support] Re: Links to repeating headers

At 2011-10-19 16:37 +0200, =?iso-8859-2?Q?Jan_To=B9ovsk=FD?= wrote:
>Ken, thanks again!
>
> > Yes, you missed that I instructed you to immediately define the
> > marker to be empty after defining the marker to have the ID
>
>Actually I've tried this approach as well (althought it seemed to me
>quite strange :-)

Not strange at all. I've needed the technique quite often. It is a
matter of ensuring the flow has what you need when the processor is
looking backwards for something previously defined.

>, but in this case links didn't work at all. So I thought I
>understood it incorrectly. Now I have to admit, that the following
>code really does nothing (like the second marker without id would be
>used instead):
>
><fo:flow flow-name="xsl-region-body">
> <fo:marker marker-class-name="target">
> <fo:block id="{$id}"/>
> </fo:marker>
> <fo:marker marker-class-name="target"/>
> ...
>
> > Actually, I'm surprised your approach didn't work because you did
> > limit the retrieve boundary to only the page. Thus, it shouldn't
> > have looked on earlier pages to find the marker defined earlier. I
> > wonder if this is an XEP issue that needs to be explored.
>
>I look for any explanation as well.

The fault is mine, Jan. I neglected to put the two markers in
different qualifying areas. One is not allowed to have sibling
markers of the same class name:

    6.13.5 fo:marker
    It is an error if two or more fo:markers that share the same
    parent have the same "marker-class-name" property value.

The XSL-FO below works just fine in XEP.

Please forgive my oversight.

. . . . . . . . . Ken

<?xml version="1.0" encoding="US-ASCII"?><!--jan.fo-->
<root xmlns="http://www.w3.org/1999/XSL/Format"
       font-family="Times" font-size="20pt">

   <layout-master-set>
     <simple-page-master master-name="frame"
                         page-height="297mm" page-width="210mm"
                         margin-top="15mm" margin-bottom="15mm"
                         margin-left="15mm" margin-right="15mm">
       <region-body region-name="frame-body" margin-top="15mm"/>
       <region-before region-name="before" extent="15mm"/>
     </simple-page-master>
   </layout-master-set>

   <page-sequence master-reference="frame">
     <static-content flow-name="before">
       <retrieve-marker retrieve-class-name="target"/>
     </static-content>
     <flow flow-name="frame-body">
       <block>
         <marker marker-class-name="target">
           <block id="hello">
             Hello
           </block>
         </marker>
       </block>
       <block>
         <marker marker-class-name="target"/>
       </block>
       <block>This is a test on page 1</block>
       <block break-before="page">This is a test on page 2</block>
       <block break-before="page">
         Jump to
         <basic-link internal-destination="hello">first page</basic-link>
       </block>
     </flow>
   </page-sequence>
</root>

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