Remove use of '<' and '>' in SGML, use '&' escapes.

Update find_gt_lt to allow grep parameters to be passed into it.

doc/src/sgml/ddl.sgml

-<!-- $PostgreSQL: pgsql/doc/src/sgml/ddl.sgml,v 1.64 2006/10/13 21:43:17 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/ddl.sgml,v 1.65 2006/10/16 17:28:03 momjian Exp $ -->
 
 <chapter id="ddl">
  <title>Data Definition</title>
@@ -2342,7 +2342,7 @@ VALUES ('New York', NULL, NULL, 'NY');
 <programlisting>
 CHECK ( x = 1 )
 CHECK ( county IN ( 'Oxfordshire', 'Buckinghamshire', 'Warwickshire' ))
-CHECK ( outletID >= 100 AND outletID < 200 )
+CHECK ( outletID &gt;= 100 AND outletID &lt; 200 )
 </programlisting>
         Ensure that the constraints guarantee that there is no overlap
         between the key values permitted in different partitions.  A common

doc/src/sgml/plpython.sgml

-<!-- $PostgreSQL: pgsql/doc/src/sgml/plpython.sgml,v 1.33 2006/09/03 22:23:58 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/plpython.sgml,v 1.34 2006/10/16 17:28:03 momjian Exp $ -->
 
 <chapter id="plpython">
  <title>PL/Python - Python Procedural Language</title>
@@ -123,7 +123,7 @@ CREATE FUNCTION pymax (a integer, b integer)
 AS $$
   if (a is None) or (b is None):
     return None
-  if a > b:
+  if a &gt; b:
     return a
   return b
 $$ LANGUAGE plpythonu;

doc/src/sgml/ref/create_opclass.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/create_opclass.sgml,v 1.17 2006/09/16 00:30:17 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/create_opclass.sgml,v 1.18 2006/10/16 17:28:03 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -238,8 +238,8 @@ CREATE OPERATOR CLASS gist__int_ops
     DEFAULT FOR TYPE _int4 USING gist AS
         OPERATOR        3       &&,
         OPERATOR        6       =       RECHECK,
-        OPERATOR        7       @>,
-        OPERATOR        8       <@,
+        OPERATOR        7       @&gt;,
+        OPERATOR        8       &lt;@,
         OPERATOR        20      @@ (_int4, query_int),
         FUNCTION        1       g_int_consistent (internal, _int4, int4),
         FUNCTION        2       g_int_union (bytea, internal),

src/tools/find_gt_lt

 #!/bin/sh
 
-# $PostgreSQL: pgsql/src/tools/find_gt_lt,v 1.2 2006/03/11 04:38:41 momjian Exp $
+# $PostgreSQL: pgsql/src/tools/find_gt_lt,v 1.3 2006/10/16 17:28:03 momjian Exp $
 
-grep  '[^]a-z0-9"/!-]>' *.sgml ref/*.sgml
-grep  '<[^]a-z0-9"/!-]' *.sgml ref/*.sgml
+grep "$@" '[^]a-z0-9"/!-]>' *.sgml ref/*.sgml
+grep "$@" '<[^]a-z0-9"/!-]' *.sgml ref/*.sgml