1) It should work, probably as an .el file. Code that you just think might work or has parts like “Then you do something like this bla bla bla” is interesting and you are welcome to post it, but it won’t win you the book. But do post it … someone else might get it to work and they can win!

2) It should be useful for me, in its working form. Assume I’m running the latest easily installable (via synaptic) version of emacs (23 or so). I am a writer and a blogger. I do all my writing in emacs. Keeping track of links, doing stuff writers might want to do with a file, stuff like that, could be good. I’m always trying to find links to old posts that I’ve written. I write my posts in HTML using HTML mode. I do a lot of stuff in org mode. Stuff that helps in writing code is probably NOT good for me, as I almost never do that.

Hint: I read these blogs:

Emacs-Fu
Got Emacs?
Mastering Emacs
minor emacs wizardry

And a few others.

Your code doesn’t actually have to be yours, but give credit as to where you got it, and the original writer of the code gets the book! But if that is the code that “wins” the “bounty” then you’ll get something too, I promise.