# [LON-CAPA-users] FW: printing of math

Gerd Kortemeyer kortemey at msu.edu
Wed Dec 2 10:19:57 EST 2015

Hi,

> On Dec 2, 2015, at 10:11 AM, Peter Dencker <dencker at math.uni-luebeck.de> wrote:
>
>> Yes, and this is a known bug.
>
> Why it is a bug? It seems to be import to distinguish between
>
>   <m> $\widetilde{\nu}=1/\lambda$ </m>
> or <m> $$\widetilde{\nu}=1/\lambda$$ </m>
>
> and, on the other hand,
>
> <m> $\widetilde{\nu}=1/\lambda$ </m>

It is important! The bug is not that the delimiters are needed; the bug is that our implementation of MathJax ignores their absence, thus giving authors a false signal of things being correct and working.

- Gerd.