[LON-CAPA-dev] <chem>'s a hit how about <num> or <parse> ?

[Guy Ashkenazi]

> <num format="3E">$number</num>
> and
> <parse>$some_xml</parse>
> 
> Should get made.

Good idea! Maybe do <num>$number:3e</num> instead?
It is less XMLish, but it is faster to write...

    Guy.