update configure.in for b3 ...

earlier, make error checks more uniform.

display (with a typemod) and function arg/result type display (without
a typemod).

and REVOKE FROM PUBLIC: the latter is not the same as 'revoke from all
users', but the ref page blurred the difference.

with other data types, per disucssion.  Encoding issue still open.

    o they sometimes returns a result garbage string appended.
    o they do not work if client encoding is different from server
      encoding

Overall a really nice job here, Peter ...

the interactive docs.

enforce a limit on who can connect to databases other than their own.
From a recent discussion in pg-admin.

StÅphane Raimbault.

escape character.

encodings.

copy editing.

GiST does now, too.  (Someone needs to write a description of GiST
to add to this chapter.  I don't know enough about it ...)

Admin Guide.  Move discussion of template databases out of footnotes
in CREATE DATABASE ref page and into a section of the Admin Guide.
Clean up various obsolete claims, do some copy-editing.