elein <elein(at)varlena(dot)com> writes:
> I want to register, just in principle, that I object to changing
> the structure of a varlena.
Indeed, I'm doing my best to restrain Greg from changing what a
datatype-specific function will see by default. The stuff with
variable-length headers should be confined to a relatively small
number of functions in which we're willing to pay a code-ugliness
penalty for speed.
regards, tom lane