[edutex] Some demo files and the edutex package documentation

[Frank Quinn]

On Aug 28, 2009, at 9:22 PM, Story,Donald P wrote:

> I believe for preview mode, links are supposed to work, those were  
> links.

The "latex only" description of preview mode was overly prescriptive  
and this was clarified back-channel.

The real objectives were fast processing and small files. Anything  
that doesn't compromise these is fair game for inclusion.

Don: want to post these on the wiki somewhere?

Frank