semantics, a few other small improvements.

markup. ;-)

syntax.  Fix the RESULT_OID case, which never worked.  Add documentation.

in FROM instead of an auxiliary view.  We didn't have subselect-in-FROM
when I wrote this originally...

option of CREATE DATABASE.  In pg_regress, create regression database
from template0 to ensure that any installation-local cruft in template1
will not mess up the tests.

current_time, current_timestamp.  Add more examples.  Remove age(), because
it doesn't work like it is documented, and no one could explain it to me.

to ON and USING for specifying the join condition, not as an independent
kind of join semantics.

wasn't clear that the "boolean type" was actually called "boolean".  Add
tip about "casting" booleans using CASE.

Spell check whole file.

everywhere.

HTML:
* make .html the default extension
* allow use of CSS stylesheet ("stylesheet.css", not included)
* make <set> TOC two levels deep
* put time of creation into meta header
Print:
* make print output justified by default
* footnotes at bottom of each page
* allow TeX to hyphenate

  Chapter 4
   String Operators
    Table 4.7: Other String Functions
      strpos is missing the result in the result column, it should be 2
      Also to_ascii might need a result but maybe not.

Appendix A
In the Time Zone Table
 Greenwich is spelled Greenwish

David Aldrich