Dennis Bjorklund <db(at)zigo(dot)dhs(dot)org> writes:
> The doc for the trim functions does not say that the second argument can
> be omitted. This patch fixes it. It also fixes that the type text was not
> wrapped as <type>text</type>.
It would perhaps be clearer to show the single-argument forms as
separate entries. That would give you room to show an example.
regards, tom lane