>
> PostgreSQL allows function overloading, which means that there can be
> multiple functions with same name differing in argument types. So, the
> syntax has to include the input parameters or their types at least.
>
"local_routine_name" and "remote_routine_spec" were my own paraphrasings of
what the spec implies. I'm nearly certain that the local routine name,
which the spec says is just an identifier, cannot have a parameter spec on
it, which leaves only one other place to define it, remote_routine_spec,
which wasn't defined at all. I _suppose_ parameter definitions could be
pushed into options, but that'd be ugly.