Required by newest versions of DocBook and style sheets.

Had been omitted from the integrated doc for no good reason.

Should merge with or complement Stefan's Master's Thesis intro to SQL.

 file. Per Bruce's preference. Go to it Bruce!
No info yet for v6.4.2 or upcoming releases.

From Magnus Hagander <mha@sollentuna.net>.

Add Emacs configuration block to postgres.sgml.

Make new file current.sgml to hold release info for the current release.
 Should be moved to release.sgml before filling with next release info.

 documentation for v6.4.
Bigger updates to the installation instructions (install and config).

Make sure notation section is included in most intros.

Split introduction sections into separate files to allow the legal notice
 and notation sections appear in all documents without having the history
 show up everplace too.
Add full list of reserved and non-reserved key words in syntax.sgml.
Add a separate chapter to the admin guide on security.

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

 from datatype.sgml into separate files.
Add type conversion information.
Format historical release notes.