I don't see a problem. We created one for comics and all this other stuff. Another one for coding wouldn't hurt. Then break it down into subs with things like vb HTML etc, eh? I don't anything about coding but I'd like to learn just for the heck of it.
Yeah it is a great thing to know. I have made mock sites in minutes for my teachers using simple html that they have used for their websites. I am mainting one now, and it is much better than one of those gay livejournals. ;p