I'm seeing this on my Linux box (kernel 2.4.18, glibc 2.2.4):
*** ./expected/horology.out Thu Sep 19 06:35:25 2002
--- ./results/horology.out Mon Oct 28 13:42:39 2002
***************
*** 537,549 **** SELECT (timestamp with time zone 'today' = (timestamp with time zone 'tomorrow' - interval '1 day'))
as"True"; True ------
! t (1 row) SELECT (timestamp with time zone 'tomorrow' = (timestamp with time zone 'yesterday' + interval '2 days'))
as"True"; True ------
! t (1 row) SELECT (timestamp with time zone 'tomorrow' > 'now') as "True";
--- 537,549 ---- SELECT (timestamp with time zone 'today' = (timestamp with time zone 'tomorrow' - interval '1 day'))
as"True"; True ------
! f (1 row) SELECT (timestamp with time zone 'tomorrow' = (timestamp with time zone 'yesterday' + interval '2 days'))
as"True"; True ------
! f (1 row) SELECT (timestamp with time zone 'tomorrow' > 'now') as "True";
***************
*** 790,796 **** + interval '02:01' AS time with time zone) AS time) AS "03:31:00"; 03:31:00 ----------
! 03:31:00 (1 row) SELECT CAST(cast(date 'today' + time with time zone '03:30'
--- 790,796 ---- + interval '02:01' AS time with time zone) AS time) AS "03:31:00"; 03:31:00 ----------
! 02:31:00 (1 row) SELECT CAST(cast(date 'today' + time with time zone '03:30'
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