Incidentally, when I build using this command:
asciidoctor -d book book.txt
Links -- xrefs across source files and xrefs within the same file -- in the
resulting book.html work fine.
Ditto for the PDF version:
asciidoctor-pdf -d book book.txt
Just a problem with the epub version.
On Friday, December 8, 2017 at 2:48:08 PM UTC-6, Shep wrote:
>
> .txt files: Source files.
> .xhtml files: XHTML generated by command 'asciidoctor-epub3 -d book
> book.txt' where 'book.txt' simply includes the chapters (.txt files) of
> the book.
>
> *THIS WORKS*
>
> Create destination for xref '
> step-06-going-nuclear-delete-your-gmail-account'.
>
> *step-06-going-nuclear-delete-your-gmail-account.txt*
>
> [[step-06-going-nuclear-delete-your-gmail-account,Step 6]]
> = Step 6: Going nuclear--Delete your Gmail account!
> ...
>
>
> *step-06-going-nuclear-delete-your-gmail-account.xhtml*
>
> ...
> <section class="chapter" title="Step 6: Going nuclear—​Delete
> your Gmail account!" epub:type="chapter"
> id="step-06-going-nuclear-delete-your-gmail-account">
> ...
>
>
> All the above makes sense and seems OK.
>
> Next xref the above from another file.
>
> *step-04-directing-email-away-from-your-gmail-account.txt*
>
> ...
> OK, so you now have a new and friendlier email address. How do you direct
> all the email you currently receive from others to that new address? For
> future email recipients who you don't yet know this isn't a problem because
> they will know only your new address. And, as we know, you may be using
> your Gmail in other ways and want to replace it with your new address. The
> strategy outlined here is one of gradually starving your Gmail account of
> email and activity so that, over time, it withers and eventually dies on
> the vine; only then can you kill it, see <<
> step-06-going-nuclear-delete-your-gmail-account#step-06-going-nuclear-delete-your-gmail-account
> >>.
> ...
>
>
> *step-04-directing-email-away-from-your-gmail-account.xhtml*
>
> ...
> <p>OK, so you now have a new and friendlier email address. How do you
> direct all the email you currently receive from others to that new address?
> For future email recipients who you don’t yet know this isn’t a
> problem because they will know only your new address. And, as we know, you
> may be using your Gmail in other ways and want to replace it with your new
> address. The strategy outlined here is one of gradually starving your Gmail
> account of email and activity so that, over time, it withers and eventually
> dies on the vine; only then can you kill it, see <a
> id="xref--step-06-going-nuclear-delete-your-gmail-account"
> href="step-06-going-nuclear-delete-your-gmail-account.xhtml"
> class="xref">Step 6: Going nuclear—​Delete your Gmail
> account!</a>.</p>
> ...
>
>
> All the above makes sense and seems OK.
>
> Now, that was xref from one file to a different file.
>
> *THIS DOESN'T WORK*
>
> However, problems occur when we try to xref IN THE SAME FILE.
>
> *how-email-works.txt*
>
> [[how-email-works]]
> = How email works
>
> ...
> From a conceptual point of view emails seems to go from your computer (or
> mobile device) to another's, see <<how-email-works#HowEmailSeemsToWork>>.
> ...
> [[HowEmailSeemsToWork,How email seems to work]]
> .How email seems to work
> image::{imagedir}/how-email-seems-to-work.png[How email seems to work]
> ...
>
>
> *how-email-works.xhtml*
>
> ...
> <p>From a conceptual point of view emails seems to go from your computer
> (or mobile device) to another’s, see <a
> id="xref-HowEmailSeemsToWork" href="#HowEmailSeemsToWork" class="xref">How
> email seems to work</a>.</p>
> ...
> <figure class="image">
> <div class="content">
> <img src="../Images/how-email-seems-to-work.png" alt="How email seems to
> work"/>
> </div>
> <figcaption>Figure 1. How email seems to work</figcaption>
> </figure>
> ...
>
>
> The problem here is that the image doesn't seem to get tagged with '
> #HowEmailSeemsToWork', and so when I pass book.epub through epubcheck I
> get this error:
>
> ERROR(RSC-012): book.epub/OEBPS/how-email-works.xhtml(37,191): Fragment
> identifier is not defined.
>
>
> Somehow, I think the xhtml directly above and generated by
> asciidoctor-epub3 should look something like this:
>
> ...
> <p>From a conceptual point of view emails seems to go from your computer
> (or mobile device) to another’s, see <a
> id="xref-HowEmailSeemsToWork" href="#HowEmailSeemsToWork" class="xref">How
> email seems to work</a>.</p>
> ...
> <a name="HowEmailSeemsToWork"></a>
> <figure class="image">
> <div class="content">
> <img src="../Images/how-email-seems-to-work.png" alt="How email seems to
> work"/>
> </div>
> <figcaption>Figure 1. How email seems to work</figcaption>
> </figure>
> ...
>
>
> Asciidoctor fails to include <a name="HowEmailSeemsToWork"></a>?
>
> Any ideas how to fix?
>
>
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