Copypasta in the PostgreSQL source

Folks,

Please find attached a run of a tool that looks for duplicated tokens.
I've removed some things that seem like false positives, basically all
from the stemmer part of the source, but there's still a lot.

- Is it worth trying to track these down and factor them out?
- Would it make sense to make some kind of git commit trigger that at
  least warns when a new one has been introduced?

Best,
David.
-- 
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778

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