[plt-scheme] HtmlPrag 0.9

> Why would you want to reduce the number of places you announce your 
> software?

OK, I'll try to play the new-version announcement fatigue game by ear.

Although I really do want HtmlPrag users to join "htmlprag-announce".
I don't want to poll people for private feedback in 4 separate Scheme
venues and risk massive public discussion threads of little relevance
to those venues.  Just email me the following line or similar:

     Please add me to "htmlprag-announce".