Re: ISO 8601 "Time Intervals" of the "format with time-unit

Tom Lane wrote:
> > Perhaps one could argue that the postgres shorthand should 
> > follow the ISO conventions, but I'd not want to break backward
> > compatability, incase someone out there is using '1H30M' and
> > expecting minutes instead of months.
> 
> I doubt anyone is using it, because it's completely undocumented.
> If we're going to support the real ISO spec, I'd suggest ripping
> out any not-quite-there variant.  (Especially so noting that your
> code seems a lot cleaner than the ptype stuff.)

Agreed.  Let me put your code in the queue for 7.5.

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