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

*From*:**Daniel Bishop <danielbishop3@yahoo.de>***To*: Neil Soiffer <NeilS@dessci.com>, Bob Stayton <bobs@sagehill.net>*Date*: Sun, 8 Dec 2013 09:43:28 +0000 (GMT)

Hello Bob,

I looked up two examples that are displayed correctly in Firefox:

http://www.math-it.org/Publikationen/MathML.html

http://gorupec.awardspace.com/mathml.html

The second one says in the beginning:

"

However both pages render correctly:

http://gorupec.awardspace.com/mathml.html

http://gorupec.awardspace.com/mathml.xhtml

Daniel

Neil Soiffer <NeilS@dessci.com> schrieb am 20:21 Freitag, 6.Dezember 2013:

MathML is supported in Firefox as part of XHTML. It is also supported as part of HTML5, but you can't use namespace prefixes in HTML5 because HTML5 doesn't know about namespaces. For compatibility between XHTML and HTML5, you can do the following:

<math xmlns="http://www.w3.org/1998/math/MathML">

...

</math><math xmlns="http://www.w3.org/1998/math/MathML">

...

Neil Soiffer

Senior Scientist

Design Science, Inc.

www.dessci.com

~ Makers of MathType, MathFlow, MathPlayer, MathDaisy, Equation Editor ~

On Fri, Dec 6, 2013 at 10:27 AM, Bob Stayton <bobs@sagehill.net> wrote:

Hi,

The difference between HTML and XHTML for MathML display seems to be a feature of Firefox. If I manually convert the HTML file to XHTML with no change to the MathML markup, and rename it with .xhtml, then Firefox displays the MathML properly. So if Firefox thinks the file is XHTML, it displays the MathML, otherwise it doesn't.

Can you provide an example of an HTML file that displays MathML in Firefox? I'd like to see what the differences are.

--

Bob Stayton

Sagehill Enterprises

bobs@sagehill.net

On 12/6/2013 7:23 AM, Daniel Bishop wrote:

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<mailto:docbook-unsubscribe@Stefan Seefeld <stefan@seefeld.name <mailto: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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**Follow-Ups**:**Re: [docbook] Need help using MathML ("Unknown formatting object "{http://www.w3.org/1998/Math/MathML}math" encountered")***From:*Bob Stayton <bobs@sagehill.net>

**References**:**Need help using MathML ("Unknown formatting object "{http://www.w3.org/1998/Math/MathML}math" encountered")***From:*Daniel Bishop <danielbishop3@yahoo.de>

**Re: [docbook] Need help using MathML ("Unknown formatting object "{http://www.w3.org/1998/Math/MathML}math" encountered")***From:*Stefan Seefeld <stefan@seefeld.name>

*From:*Thomas Schraitle <tom_schr@web.de>

*From:*Daniel Bishop <danielbishop3@yahoo.de>

*From:*Bob Stayton <bobs@sagehill.net>

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