Re: [docbook-apps] problem with xrefs - maybe FOP 0.20.5 issue?

[Marshall Schor <msa@schor.com>]

More info: problem seems to happen when the generated page ref, which 
includes 2 parts
(the section title, and the page number) falls such that the line is 
split between these two things.
If I merely add some text in front of the problem ref to shift it so 
this split doesn't happen,
it works (the page number formats with a page number, not a "?").

The problem seems to be also avoided if I use an explicit
xrefstyle="select: label quotedtitle" attribute on the link that's not 
formatting correctly.

Is this the best work-around or are there others?-Marshall Schor


Marshall Schor wrote:
> I'm using Docbook 4.5 / 1.71.1 with FOP 0.20.5.
>
> I use cross references with olinks.  They work most of the time, but 
> occasionally it seems that the output for page number references to 
> cross refs in the same book (I'm using modular files - that's why the 
> olinks are there even for the same book) show as [?] and are not active.
> I looked at the XSL:FO input to FOP - it all looks like:
>
>  <fo:basic-link color="blue" internal-destination="ugr.tug.application">
>    Chapter 3, Application Developer's Guide
>      <fo:basic-link color="blue" 
> internal-destination="ugr.tug.application">
>        <fo:inline keep-together.within-line="always">
>           [<fo:page-number-citation ref-id="ugr.tug.application"/>]
>        </fo:inline>
>      </fo:basic-link>
>  </fo:basic-link>
>
>
> Sometimes this seems to work, other times it seems to fail (showing a 
> "?" for the page number, and/or not making the link "active" in the 
> resultant PDF.  (The target id "ugr.tug.application" is present, and 
> is referred to successfully from the TOC).
>
> There are no messages coming from FOP for this (associated with these 
> pages).  And these same kinds of refs in other places in the source 
> input seem to work just fine.  I haven't been able to see a pattern to 
> the failure.
>
> I would appreciate any advice on how to work-around this issue.
>
> -Marshall Schor
>
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