Bruce Momjian <> writes:
> Does anyone know why the phrase distance "<3>" was changed from "at most
> three tokens away" to "exactly three tokens away"?

So that it would correctly support phraseto_tsquery's use of the operator
to represent omitted words (stopwords) in a phrase.

I think there's probably some use in also providing an operator that does
"at most this many tokens away", but Oleg/Teodor were evidently less
excited, because they didn't take the time to do it.

The thread where this change was discussed is

see particularly

                        regards, tom lane

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