[OSM-talk] Not-properly-Open-but-called-Open

[Dave F.]

Colin Marquardt wrote:
> As a proud member of the (a) category[1], I'm all for it :)
>
> Cheers
>   Colin
>
> 1 - http://mapnik-utils.googlecode.com/svn/sandbox/cascadenik/hike_n_bike/,
> http://gitorious.org/alpha-hillshading/alpha-hillshading/trees/master
Err.. Sorry Colin, I read the readme & other files but it looks like 
gobbledy-gook to me.

Is there an explanation anywhere of  what these do?

Cheers
Dave F.