Another PGINDENT run that changes variable indenting and case label indenting.  Also static variable indenting.

 datetime and timespan.

Change time function names to be more consistent, and check for zero divides, from Michael Reifenberg.

Change pg_attribute.attnvals to float4, change #ifdef 0 to #if 0, fix aix call to strNcpy, fix pg_super_user_id in pg_dumpall, change pg_database.dtadba from oid to int4.

Fix pgproc names over 15 chars in output.  Add strNcpy() function.  remove some (void) casts that are unnecessary.

Used to support SQL92 compatibility.

Change box terminology from "length" to "width".
 Use length terminology in common with other geometric types (usually perimeter).
Fix bugs in line arithmetic which resulted in bad intersection calculations.
Deprecate temporary unstored slope fields.
Check explicitly for intersections at endpoints to avoid rounding ugliness.
Add center() routines for lseg, path, polygon.
Add distance() routines for circle-polygon, polygon-polygon.
Check explicitly for points and polygons contained within polygons
 using an axis-crossing algorithm. (Old code just checked bounding boxes).
Add routine to convert circle-box.
*whew*

Use standard decoder for isreltime().

Various compile errors concerning overflow due to shifts, unsigned, and bad prototypes, from Solaris, from Diab Jerius

Remove older date and time code (retain NEW_DATE_CODE and NEW_TIME_CODE).
Use common encoder for date and time.
Fix datetime +/- timespan math bug.

 This allows use of the DateStyle session variable.

 This matches the behavior of the original formatting for abstime.
Repair datetime + timespan date arithmetic for year boundaries.
 From patch submitted by Dave Skinner.

 the problem only manifests itself when adding years/months and hours
 when the hours:minutes:seconds pushes over midnight.
Fix interpretation of times with explicit timezone when the timezone is
 in daylight savings time and is not the default timezone.
Allow interpretation of explicit timezone when it is specified as two words:
 <standard time> DST". For example, "MET DST" (Middle European Time Daylight
 Savings Time). This syntax is found in the zic package on Linux boxes at least.