Back out:

>  Attached is a patch that addressed all the discussed issues
>  that did not break backward compatability, including the
>  ability to output ISO-8601 compliant intervals by setting
>  datestyle to iso8601basic.

1 files changed, 1 insertions, 60 deletions

diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml
index 767f4aeff32..8d24f146547 100644
--- a/doc/src/sgml/datatype.sgml
+++ b/doc/src/sgml/datatype.sgml
@@ -1,5 +1,5 @@
 <!--
-$PostgreSQL: pgsql/doc/src/sgml/datatype.sgml,v 1.138 2003/12/20 16:06:54 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/datatype.sgml,v 1.139 2003/12/21 04:34:35 momjian Exp $
 -->
 
  <chapter id="datatype">
@@ -1785,55 +1785,6 @@ January 8 04:05:06 1999 PST
       <replaceable>p</replaceable> should be between 0 and 6, and
       defaults to the precision of the input literal.
      </para>
-
-
-     <para>
-      Alternatively, <type>interval</type> values can be written as 
-      ISO 8601 time intervals, using the "Format with time-unit designators".
-      This format always starts with the character <literal>'P'</>, followed 
-      by a string of values followed by single character time-unit designators.
-      A <literal>'T'</> separates the date and time parts of the interval.
-     </para>
-
-     <para>
-       Format:  PnYnMnDTnHnMnS
-     </para>
-     <para>
-       In this format, <literal>'n'</> gets replaced by a number, and 
-       <literal>Y</> represents years, 
-       <literal>M</> (in the date part) months,
-       <literal>D</> months,
-       <literal>H</> hours,
-       <literal>M</> (in the time part) minutes,
-       and <literal>S</> seconds.
-     </para>
-      
-
-     <table id="interval-example-table">
-	   <title>Interval Example</title>
-	   <tgroup cols="2">
-		<thead>
-		 <row>
-		  <entry>Traditional</entry>
-		  <entry>ISO-8601 time-interval</entry>
-		 </row>
-		</thead>
-		<tbody>
-		 <row>
-		  <entry>1 month</entry>
-		  <entry>P1M</entry>
-		 </row>
-		 <row>
-		  <entry>1 hour 30 minutes</entry>
-		  <entry>PT1H30M</entry>
-		 </row>
-		 <row>
-		  <entry>2 years 10 months 15 days 10 hours 30 minutes 20 seconds</entry>
-		  <entry>P2Y10M15DT10H30M20S</entry>
-		 </row>
-		</tbody>
-	   </tgroup>
-	  </table>
     </sect3>
 
     <sect3>
@@ -1990,11 +1941,6 @@ January 8 04:05:06 1999 PST
          <entry>regional style</entry>
          <entry>17.12.1997 07:37:16.00 PST</entry>
         </row>
-	<row>
-	 <entry>ISO8601basic</entry>
-	 <entry>ISO 8601 basic format</entry>
-	 <entry>19971217T073716-08</entry>
-	</row>
        </tbody>
       </tgroup>
      </table>
@@ -2052,11 +1998,6 @@ January 8 04:05:06 1999 PST
     </para>
 
     <para>
-	 If the <varname>datestyle</> is set to iso8601basic, the interval
-	 output is a ISO-8601 time interval with time-unit designator (like P1Y6M or PT23H59M59S).
-    </para>
-
-    <para>
      The date/time styles can be selected by the user using the
      <command>SET datestyle</command> command, the
      <varname>datestyle</varname> parameter in the