Re: [docbook] Need help using MathML ("Unknown formatting object "{http://www.w3.org/1998/Math/MathML}math" encountered")

[Daniel Bishop <danielbishop3@yahoo.de>]

Thank you Stefan and Thomas,
you have helped me to make a big step ahead using docbook.

Fop is now working, although not quite elegantly. I have installed jeuclid:
$ sudo apt-get install libjeuclid-fop-java libjeuclid-core-java
I had to modify the /usr/bin/fop script by adding these two lines:

find_jars /usr/share/java/jeuclid-core.jar
find_jars /usr/share/java/jeuclid-fop.jar
I know, this is Ubuntu/Debian specific, but there must be a less intrusive way of letting fop know about the jeuclid jars? Copying the jars into /usr/share/fop/ didn't help.

Concerning the math formatting only working in xhtml, not in html files, I followed Stefans advice. He is right, and I can create working xhtml files.
It is strange that the formatting doesn't work for html files. Renaming the generated test.xhtml to test.html removes all math content again.
There are many examples that display MathML content in html files. Is there any possibility to make xsltproc produce such html files without missing content?

Thank you
Daniel

Concerning the math formatting only working in xhtml files, not in html files, I followed Stefans advice

Thomas Schraitle <tom_schr@web.de> schrieb am 14:23 Freitag, 6.Dezember 2013:

Hi,

On Fri, 06 Dec 2013 07:50:16 -0500
Stefan Seefeld <stefan@seefeld.name> wrote:

> [...]
> > Next, I process test.xml into test.pdf with the following output:
> > --------------------------------------------------------
> > $ xsltproc -o test.fo
> > /usr/share/xml/docbook/stylesheet/nwalsh/fo/docbook.xsl test.xml
> > [...]
> > Unknown formatting object "{http://www.w3.org/1998/Math/MathML}math"
> > encountered (a child of fo:instream-foreign-object}. (See position
> > 2:29495)
> > [...]
> > $
> > --------------------------------------------------------
>
> Again, use namespace-aware stylesheets.
>
> In addition, I had to patch my fop installation to make it handle
> MathML correctly. Whether that is an actual problem for you depends
> on the platform you are on, as well as the specific FOP version you
> are using.

I don't think the problem is related to stylesheets, be it namespace
aware or not.

FOP needs to "know" how to format MathML markup. By default, this is not
the case. Install the JEuclid plugin[1] and try it again.



----- References
[1] http://jeuclid.sourceforge.net/trunk/jeuclid-fop/

--
Gruß/Regards,
    Thomas Schraitle

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