[OSM-dev] generate_xml.py and includes

[yvecai]

On another discussion, Lennard wrote:
> When I started to implement the external entities (the include files), 
> I took the easy cases and split them off into xml.inc files. Most of 
> what remains is so interwoven (all the roads/railways/etc and all the 
> bridge/tunnel variants of those) that I left that part alone.
If I would like to give a try to this matter, what would be the process 
to validate the file against the actual slippymap ?

Yves