PG Doc comments form <noreply(at)postgresql(dot)org> writes:
> Page: https://www.postgresql.org/docs/12/indexes-expressional.html
> It appears as if the paragraph beginning: "If we were to declare this index
> UNIQUE..."
> actually belongs just before the paragraph beginning: "Expression indexes
> also allow control over..."
> as it appears to pertain to the previous example block.
Yeah, I agree, somebody was sloppy about inserting a new paragraph.
Will fix, thanks for the report!
regards, tom lane