@Cyberion: The host (netfirms) might be good or bad, I don't care that much. In case it goes down or if they screw things up it's easy to place the stuff somewhere else. I can't imagine this little pdf ever can hit any bandwidth limits.
I find sharing of knowledge as important as any other kind of sharing and I'll see to that it will be available. It's easy to change the link in the first post.
@All: Thank you for the thank-yous. When making texts like this one it's always very nice and encouraging to get response. A thank you is nice, an ideea for another tutor is nice, and best of all is to get errors pointed out.
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unicorn
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