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To help us improve this project, please submit your suggestions to in the following format:

  1. If you have suggestions for an existing concept, use the title of that concept as the subject line in your email. We also strongly suggest you submit revised text, where appropriate.
  2. If you want to suggest we add a new concept, please put "new" as the title of your email. We also encourage suggested text for new concepts as well as suggestions regarding where in the hiearchy the new concept should be added.
  3. If your comment is more general, or pertains to several concepts, please put "general" in the subject line.