Is this fixed in the new code? I thought we decided not to allow Google to index edit links (along with older versions of articles in History, log pages and special pages other than maybe RecentChanges)? ...

The new code explicitly sets the robot policy of each page with a meta tag; the default settings are to index and follow links in all regular articles (including talk:, user:, wikipedia:, etc.), and to follow links but not index edit forms, old versions, diffs, and most special pages. There are a few specially-set ones; for example the SpecialPages page is set to not follow, because it only links to things we don't want robots in, and "orphans" is no follow because it only links to edit forms.

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