[Instiki] Wrong MathML codes!

[Jason Blevins]

Jorg Hendelsson wrote:
> For some reason I absolutely do not understand, Instiki produces wrong MathML codes:
> When I enter $a^2$ then the HTML-code produced is:
> 
> <code class='maruku-mathml'>a^2</code>
> 
> and this looks just like the plain a^2.
> 
> When I tried the same in the sandbox it produced the right code
> 
> <math class='maruku-mathml' display='inline'
> xmlns='http://www.w3.org/1998/Math/MathML'> a 2
> </mn></msup></math>
> 
> So, what's wrong? I use the same version 0.16.5 and did not make any changes!
> Please help!

Do you have itex2MML and the Ruby bindings installed?  If not,
see the instructions here:

http://golem.ph.utexas.edu/instiki/show/Installation

Jason