[Xastir] Open Street Map support

[Jim]

 > I would be happy to answer questions about OSM, based on my own 
experience,
 > but you can also find out a lot on the OSM wiki, and there are 
clearly other
 > contributors here too.  There is also a talk list and a newbies list 
for OSM,
 > and I suggest that someone 'in charge' of Xastir should announce this 
new
 > development.  I also suggest that we plan our use of OSM carefully so 
as not
 > to 'bog down' their servers, and to make sure we get the best use out 
of the
 > OSM project for Xastir's particular requirements.

I'm interested in "decorating" the output of OSM with custom text like 
APRS does.  Can you or someone point me to an API?  I know Google Maps 
uses Javascript to do this.  Is OSM the same?

Thanks,
Jim de k4gvo