petere@postgresql.org (Peter Eisentraut) writes:
> Allow binary-coercible types for cast function arguments and return types.
> Document return type of cast functions.
> Also change documentation to prefer the term "binary coercible" in its
> present sense instead of the previous term "binary compatible".
Hmm, the error messages you added still use the phrase "binary compatible".
[ click click, grep grep ] So does psql/describe.c. The only other
hits I found were in comments, which likely aren't worth changing.
regards, tom lane