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Urs Schreiber edited the HomePage so it now says:
If you take a little time to find something in the literature, or to work through a proof or example, or to find an intuitive or new way to think about something, add a note on it to the nLab! Others will benefit, and you may well find that it proves useful to you too.
In doing so, follow common academic practice of substantiating your edit: Either justify it by citing relevant literature or else provide relevant proof (for claims) or other sanity checks (e.g. when introducing new definitions or terminology).
which should solve the folklore issue.
Ah, this is a huge change. I like it, but it will take a long time for the nLab to become a repository of facts that either come with proofs or links to proofs.
A message was moved here from #community: discussion > nLab: the word "evil" by Madeleine Birchfield.