Fix up references to "PostgreSQL" rather than "Postgres". Was roughly
 evenly split between the two before. ref/ files not yet done.

full word "version" where appropriate.

names for the HTML files (e.g., not x4856.htm).

 From "He Weiping (Laser Henry)" <laser@zhengmai.com.cn>.

A few other changes, but I forget what :(

and fix_opids processing to a single recursive pass over the plan tree
executed at the very tail end of planning, rather than haphazardly here
and there at different places.  Now that tlist Vars do not get modified
until the very end, it's possible to get rid of the klugy var_equal and
match_varid partial-matching routines, and just use plain equal()
throughout the optimizer.  This is a step towards allowing merge and
hash joins to be done on expressions instead of only Vars ...

Include first cut at instructions for man pages in docguide.sgml.
Fix markup.

lists are now plain old garden-variety Lists, allocated with palloc,
rather than specialized expansible-array data allocated with malloc.
This substantially simplifies their handling and eliminates several
sources of memory leakage.
Several basic types of erroneous queries (syntax error, attempt to
insert a duplicate key into a unique index) now demonstrably leak
zero bytes per query.

 completion as required by the newest DocBook conventions.

Still need to add some acknowledgements at the top of the doc;
 already have full info in the bibliography but since the original is
 being spread across the existing docs we should also mention things
 locally.

 of Norm's Modular Style Sheets and jade/docbook.
From Vince Vielhaber <vev@michvhf.com>.

Fix Id tag in chapter headings to allow meaningful file names in html.