uninitialized variables. I _think_ the logic is preserved...

Support SQL92 syntax for type coersion of strings (type 'typeval').
 Example: "DATETIME 'now'". This works only for string constants and can
 not replace the CAST and ::type syntax which behave identically in this
 context.

Check decoding of integer in x - y syntax (already done for most ints).

 hardcoded values.

Check valid numeric input more carefully for delta times.
Implement day of year as possible input to datetime_part().

Remove unused variable addrLen.

From: Bryan Henderson <bryanh@giraffe.netgate.net>

 on fast machines with fast disks.
Adjust a few other tests to be more complete.

Cross-reference libpq(3).

Update banner message regarding time zone.

 old AT&T lexers and exclusive states (Solaris has trouble and probably
 others).

This should help Solaris and (presumably) other distributions with
 old AT&T-descended lex programs which can't handle "exclusive states".

 in flex-specific code.

 as initialization environment variables.

 PGCOSTHEAP, PGCOSTINDEX, PGRPLANS, PGGEQO
 (PGDATESTYLE, PGTZ already defined)