Jeff Janes <jeff.janes@gmail.com> writes:
> According to the documentation:
> http://www.postgresql.org/docs/9.5/static/datatype-pseudo.html
> At present the procedural languages all forbid use of a pseudo-type as
> argument type, and allow only void and record as a result type (plus
> trigger when the function is used as a trigger).
> However, pl/perl has accepted "record" as in argument type since 9.1.
I'm inclined to just change this to weasel wording like "forbid use of
most pseudo-types". The odds of remembering to update this para when
individual PLs change behavior seem poor.
regards, tom lane