Create separate appendixes for contrib extensions and other server
plugins on the one hand, and utility programs on the other.  Recast
the documentation of the latter as refentries, so that man pages are
generated.

Ants Aasma, Greg Smith

Kevin Grittner, reviewed (in earlier versions) by Álvaro Herrera

This is both very useful in its own right, and an important test case
for the core FDW support.

This commit includes a small refactoring of copy.c to expose its option
checking code as a separately callable function.  The original patch
submission duplicated hundreds of lines of that code, which seemed pretty
unmaintainable.

Shigeru Hanada, reviewed by Itagaki Takahiro and Tom Lane

This is still pretty rough - among other things, the documentation
needs work, and the messages need a visit from the style police -
but this gets the basic framework in place.

KaiGai Kohei

KaiGai Kohei, with a few changes by me.

KaiGai Kohei, with editing and markup fixes by me.

Add documentation.

Supports migration from PG 8.3 and 8.4.

Add new make targets "world", "install-world" and "installcheck-world" to build, install and check just about everything.
In addition to everything built installed and tested by all, install and installcheck targets, these build HTML Docs,
build and test contrib, and test PLs and ECPG.

strength of database passwords, and create a sample implementation of
such a hook as a new contrib module "passwordcheck".

Laurenz Albe, reviewed by Takahiro Itagaki

and SQL).

Teodor Sigaev and Oleg Bartunov

statistics.

Takahiro Itagaki

slow-running queries.

Takahiro Itagaki

David E. Wheeler

Fix lots of bad markup, bad English, bad explanations.

This commit covers only about half the contrib modules, but I grow weary...

The spi documentation is pretty rudimentary, but it's a start.

to ensure that the resulting webpages have predictable URLs, instead of
ever-changing numeric IDs.  The new contrib docs were the biggest
offender, but some old stuff had the problem too.  Also, rename a couple
of new contrib sgml files for consistency's sake.

Albert Cervera i Areny

Change title to Additional Supplied Modules.  Improve discussion of
how to build and install 'em.

	remove transactions
	use create or replace function
	make formatting consistent
	set search patch on first line

Add documentation on modifying *.sql to set the search patch, and
mention that major upgrades should still run the installation scripts.

Some of these issues were spotted by Tom today.

or will never be converted.