[O] [details] (was: org --> odt with math)

[Uwe Brauer]

>>> "Uwe" == Uwe Brauer <address@hidden> writes:

   > Hi
   > Using org (git version) GNU emacs 26 on Ubuntu 14.04,
   > following
   > http://orgmode.org/manual/Working-with-LaTeX-math-snippets.html#fn-2
   > I have set
   > (setq org-latex-to-mathml-convert-command
   >                 "/usr/bin/latexmlmath \"%i\" --presentationmathml=%o")

   > Latexmlmath is installed of course.

   > I try to convert the following file to odt with mathml

   > #+OPTIONS: LaTeX:t

   > This 
   > \begin{equation}
   > \label{eq:aned-ex:1}
   > \begin{cases}
   >   y^{\prime}&= -2000(y-\cos(t))\\
   >    y_0&=0 \qquad 0\leq t \leq 1.5
   >  \end{cases}
   > \end{equation}

   > But the equation is just exported as ASCII code. What do I miss?



    -  I exported it via org-export-dispatch and then I chose odt.

    -  then I tried org-odt-export-as-odf and obtained

Using vacuous schema
Wrote /tmp/odf-2719bZW/ltxmathml-in2719ojc
Running /usr/bin/latexmlmath "" --presentationmathml=ltxmathml-out27191ti
LaTeX to MathML conversion failed
XPath error : Undefined namespace prefix
 error : xmlXPathCompiledEval: evaluation failed at 
/usr/share/perl5/LaTeXML/Common/XML.pm line 326.

OpenDocument export failed: No Math formula created
Updating buffer list...done

This is bad, but I am not sure who is the culprit here.