> >>><num value="2.5E+18">2.5 trillion</num> instead ?
> > I just worried if other people also use this convention or not,
> > does it recommended by TEI ?
> > (if not, I like to see it in the future release of TEI guideline :) )
> They/we tend not to specify that. There are few atts with required
> tokens, and none (I bet), that are theoretically infinite in the choices
I understand. Thank you.