Re: splitting htup.h

Excerpts from Andres Freund's message of mié ago 29 12:10:17 -0400 2012:

> > OK, scratch that thought then.  So we seem to be down to choosing a new
> > name for what we're going to take out of htup.h.  If you don't like
> > heap.h, maybe something like heap_tuple.h?  I'm not terribly excited
> > about it either way though.  Any other ideas out there?
> htup_details.h? That doesn't have the sound of "fringe details" that 
> htup_private.h has.

htup_details.h seems reasonable, thanks.

Here's the proposed patch (which uses tupheader.h instead of
htup_details.h but other than that it's pretty much what I would
commit).

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Álvaro Herrera                http://www.2ndQuadrant.com/
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