Call for dsource tutorials upgrade

[jcc7]

== Quote from okibi (spam at ratedo.com)'s article
...
> I used to read over the code at dsource, but it's terribly out of
> date. I pretty much just read over either the specs here or go to
> docwiki.net and figure it out. If the brain fart is too massive, I
> post here.
>
> I don't think there's any really good place for up to date d
> examples  yet. Maybe we should put some work into the dsource
> tutorials?

By the way, anyone should free to login and fix any of the dsource tutorials that
have problems. Even someone doesn't want to directly "fix" the problem (perhaps it
would take too much time or the solution isn't known), just adding a comment that
there's a problem can be help give a clue to someone else that there's a problem
that needs fixing.