Last modified: 2012-05-03 17:17:09 UTC
If i enable MathJax and open the article http://de.wikipedia.org/wiki/Kubisch_Hermitescher_Spline that makes use of tabulators (&) then it is displayed as "amp;" Most likely an wrong conversion from "&" to "&" before feed to MathJax.
*** This bug has been marked as a duplicate of bug 36059 ***