diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml
index 0f633e91601ae282ff048d283f498389318ce89c..f2ffa503a4a23ad541ab7f6586af7781721f1ec9 100644
--- a/doc/src/sgml/ref/psql-ref.sgml
+++ b/doc/src/sgml/ref/psql-ref.sgml
@@ -1,5 +1,5 @@
 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.220 2009/02/26 16:02:37 petere Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.221 2009/04/02 15:15:31 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -853,9 +853,9 @@ testdb=&gt;
         more information is displayed: any comments associated with the
         columns of the table are shown, as is the presence of OIDs in the
         table.
-        The letter <literal>S</literal> adds the listing of system
-        objects; without <literal>S</literal>, only non-system
-        objects are shown.
+        By default, only user-created objects are shown;  supply a
+        pattern or the <literal>S</literal> modifier to include system
+        objects.
         </para>
 
         <note>
@@ -879,9 +879,9 @@ testdb=&gt;
         return type and the data types they operate on. If <replaceable
         class="parameter">pattern</replaceable>
         is specified, only aggregates whose names match the pattern are shown.
-        The letter <literal>S</literal> adds the listing of system
-        objects; without <literal>S</literal>, only non-system
-        objects are shown.
+        By default, only user-created objects are shown;  supply a
+        pattern or the <literal>S</literal> modifier to include system
+        objects.
         </para>
         </listitem>
       </varlistentry>
@@ -910,9 +910,9 @@ testdb=&gt;
         If <replaceable class="parameter">pattern</replaceable>
         is specified, only conversions whose names match the pattern are
         listed.
-        The letter <literal>S</literal> adds the listing of system
-        objects; without <literal>S</literal>, only non-system
-        objects are shown.
+        By default, only user-created objects are shown;  supply a
+        pattern or the <literal>S</literal> modifier to include system
+        objects.
         </para>
         </listitem>
       </varlistentry>
@@ -939,9 +939,9 @@ testdb=&gt;
         class="parameter">pattern</replaceable>, or of all visible objects if
         no argument is given.  But in either case, only objects that have
         a description are listed.
-        The letter <literal>S</literal> adds the listing of system
-        objects; without <literal>S</literal>, only non-system
-        objects are shown.
+        By default, only user-created objects are shown;  supply a
+        pattern or the <literal>S</literal> modifier to include system
+        objects.
         (<quote>Object</quote> covers aggregates, functions, operators,
         types, relations (tables, views, indexes, sequences, large
         objects), rules, and triggers.) For example:
@@ -971,9 +971,9 @@ testdb=&gt;
         Lists all available domains. If <replaceable
         class="parameter">pattern</replaceable>
         is specified, only matching domains are shown.
-        The letter <literal>S</literal> adds the listing of system
-        objects; without <literal>S</literal>, only non-system
-        objects are shown.
+        By default, only user-created objects are shown;  supply a
+        pattern or the <literal>S</literal> modifier to include system
+        objects.
         </para>
         </listitem>
       </varlistentry>
@@ -1045,9 +1045,9 @@ testdb=&gt;
         is specified, only functions whose names match the pattern are shown.
         If the form <literal>\df+</literal> is used, additional information about
         each function, including volatility, language, source code and description, is shown.
-        The letter <literal>S</literal> adds the listing of system
-        objects; without <literal>S</literal>, only non-system
-        objects are shown.
+        By default, only user-created objects are shown;  supply a
+        pattern or the <literal>S</literal> modifier to include system
+        objects.
         </para>
 
         <note>
@@ -1155,9 +1155,9 @@ testdb=&gt;
         and tables.  If <literal>+</literal> is
         appended to the command name, each object is listed with its
         physical size on disk and its associated description, if any.
-        The letter <literal>S</literal> adds the listing of system
-        objects; without <literal>S</literal>, only non-system
-        objects are shown.
+        By default, only user-created objects are shown;  supply a
+        pattern or the <literal>S</literal> modifier to include system
+        objects.
         </para>
 
         <para>
@@ -1202,9 +1202,9 @@ testdb=&gt;
         Lists available operators with their operand and return types.
         If <replaceable class="parameter">pattern</replaceable> is
         specified, only operators whose names match the pattern are listed.
-        The letter <literal>S</literal> adds the listing of system
-        objects; without <literal>S</literal>, only non-system
-        objects are shown.
+        By default, only user-created objects are shown;  supply a
+        pattern or the <literal>S</literal> modifier to include system
+        objects.
         </para>
         </listitem>
       </varlistentry>
@@ -1237,9 +1237,9 @@ testdb=&gt;
         class="parameter">pattern</replaceable>. The command form
         <literal>\dT+</literal> shows extra information, namely the type's internal name, size, and
         allowed values for <type>enum</> types.
-        The letter <literal>S</literal> adds the listing of system
-        objects; without <literal>S</literal>, only non-system
-        objects are shown.
+        By default, only user-created objects are shown;  supply a
+        pattern or the <literal>S</literal> modifier to include system
+        objects.
         </para>
         </listitem>
       </varlistentry>
diff --git a/src/bin/psql/describe.c b/src/bin/psql/describe.c
index 0649573b3ed114604544eb53425a0582515a79b3..28ab203857e91ee4da58bff98c4ea08d454946c6 100644
--- a/src/bin/psql/describe.c
+++ b/src/bin/psql/describe.c
@@ -8,7 +8,7 @@
  *
  * Copyright (c) 2000-2009, PostgreSQL Global Development Group
  *
- * $PostgreSQL: pgsql/src/bin/psql/describe.c,v 1.203 2009/03/26 22:26:07 petere Exp $
+ * $PostgreSQL: pgsql/src/bin/psql/describe.c,v 1.204 2009/04/02 15:15:32 momjian Exp $
  */
 #include "postgres_fe.h"
 
@@ -94,7 +94,7 @@ describeAggregates(const char *pattern, bool verbose, bool showSystem)
 					  "WHERE p.proisagg\n",
 					  gettext_noop("Description"));
 
- 	if (!showSystem)
+ 	if (!showSystem && !pattern)
  		appendPQExpBuffer(&buf, "      AND n.nspname <> 'pg_catalog'\n");
 
 	processSQLNamePattern(pset.db, &buf, pattern, true, false,
@@ -281,7 +281,7 @@ describeFunctions(const char *pattern, bool verbose, bool showSystem)
 					  "      AND p.proargtypes[0] IS DISTINCT FROM 'pg_catalog.cstring'::pg_catalog.regtype\n"
 					  "      AND NOT p.proisagg\n");
 
- 	if (!showSystem)
+ 	if (!showSystem && !pattern)
  		appendPQExpBuffer(&buf, "      AND n.nspname <> 'pg_catalog'\n");
 
 	processSQLNamePattern(pset.db, &buf, pattern, true, false,
@@ -372,7 +372,7 @@ describeTypes(const char *pattern, bool verbose, bool showSystem)
 	else
 		appendPQExpBuffer(&buf, "  AND t.typname !~ '^_'\n");
 
- 	if (!showSystem)
+ 	if (!showSystem && !pattern)
  		appendPQExpBuffer(&buf, "      AND n.nspname <> 'pg_catalog'\n");
 
 	/* Match name pattern against either internal or external name */
@@ -427,10 +427,10 @@ describeOperators(const char *pattern, bool showSystem)
 					  gettext_noop("Result type"),
 					  gettext_noop("Description"));
 
- 	if (!showSystem)
+ 	if (!showSystem && !pattern)
  		appendPQExpBuffer(&buf, "      WHERE n.nspname <> 'pg_catalog'\n");
 
-	processSQLNamePattern(pset.db, &buf, pattern, !showSystem, true,
+	processSQLNamePattern(pset.db, &buf, pattern, !showSystem && !pattern, true,
 						  "n.nspname", "o.oprname", NULL,
 						  "pg_catalog.pg_operator_is_visible(o.oid)");
 
@@ -631,7 +631,7 @@ objectDescription(const char *pattern, bool showSystem)
 					  "  WHERE p.proisagg\n",
 					  gettext_noop("aggregate"));
 
- 	if (!showSystem)
+ 	if (!showSystem && !pattern)
  		appendPQExpBuffer(&buf, "      AND n.nspname <> 'pg_catalog'\n");
 
 	processSQLNamePattern(pset.db, &buf, pattern, true, false,
@@ -654,7 +654,7 @@ objectDescription(const char *pattern, bool showSystem)
 					  "      AND NOT p.proisagg\n",
 					  gettext_noop("function"));
 
- 	if (!showSystem)
+ 	if (!showSystem && !pattern)
  		appendPQExpBuffer(&buf, "      AND n.nspname <> 'pg_catalog'\n");
 
 	processSQLNamePattern(pset.db, &buf, pattern, true, false,
@@ -672,10 +672,10 @@ objectDescription(const char *pattern, bool showSystem)
 	"       LEFT JOIN pg_catalog.pg_namespace n ON n.oid = o.oprnamespace\n",
 					  gettext_noop("operator"));
 
- 	if (!showSystem)
+ 	if (!showSystem && !pattern)
  		appendPQExpBuffer(&buf, "      WHERE n.nspname <> 'pg_catalog'\n");
  
-	processSQLNamePattern(pset.db, &buf, pattern, !showSystem, false,
+	processSQLNamePattern(pset.db, &buf, pattern, !showSystem && !pattern, false,
 						  "n.nspname", "o.oprname", NULL,
 						  "pg_catalog.pg_operator_is_visible(o.oid)");
 
@@ -690,10 +690,10 @@ objectDescription(const char *pattern, bool showSystem)
 	"       LEFT JOIN pg_catalog.pg_namespace n ON n.oid = t.typnamespace\n",
 					  gettext_noop("data type"));
 
- 	if (!showSystem)
+ 	if (!showSystem && !pattern)
  		appendPQExpBuffer(&buf, "      WHERE n.nspname <> 'pg_catalog'\n");
 
-	processSQLNamePattern(pset.db, &buf, pattern, !showSystem, false,
+	processSQLNamePattern(pset.db, &buf, pattern, !showSystem && !pattern, false,
 						  "n.nspname", "pg_catalog.format_type(t.oid, NULL)",
 						  NULL,
 						  "pg_catalog.pg_type_is_visible(t.oid)");
@@ -714,7 +714,7 @@ objectDescription(const char *pattern, bool showSystem)
 					  gettext_noop("view"),
 					  gettext_noop("index"),
 					  gettext_noop("sequence"));
- 	if (!showSystem)
+ 	if (!showSystem && !pattern)
  		appendPQExpBuffer(&buf, "      AND n.nspname <> 'pg_catalog'\n");
 
 	processSQLNamePattern(pset.db, &buf, pattern, true, false,
@@ -734,7 +734,7 @@ objectDescription(const char *pattern, bool showSystem)
 					  "  WHERE r.rulename != '_RETURN'\n",
 					  gettext_noop("rule"));
 
- 	if (!showSystem)
+ 	if (!showSystem && !pattern)
  		appendPQExpBuffer(&buf, "      AND n.nspname <> 'pg_catalog'\n");
 
 	/* XXX not sure what to do about visibility rule here? */
@@ -753,11 +753,11 @@ objectDescription(const char *pattern, bool showSystem)
 				   "       JOIN pg_catalog.pg_class c ON c.oid = t.tgrelid\n"
 	"       LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace\n",
 					  gettext_noop("trigger"));
- 	if (!showSystem)
+ 	if (!showSystem && !pattern)
  		appendPQExpBuffer(&buf, "      WHERE n.nspname <> 'pg_catalog'\n");
 
 	/* XXX not sure what to do about visibility rule here? */
-	processSQLNamePattern(pset.db, &buf, pattern, !showSystem, false,
+	processSQLNamePattern(pset.db, &buf, pattern, !showSystem && !pattern, false,
 						  "n.nspname", "t.tgname", NULL,
 						  "pg_catalog.pg_table_is_visible(c.oid)");
 
@@ -808,10 +808,10 @@ describeTableDetails(const char *pattern, bool verbose, bool showSystem)
 					  "FROM pg_catalog.pg_class c\n"
 	 "     LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace\n");
 
- 	if (!showSystem)
+ 	if (!showSystem && !pattern)
  		appendPQExpBuffer(&buf, "      WHERE n.nspname <> 'pg_catalog'\n");
 
-	processSQLNamePattern(pset.db, &buf, pattern, !showSystem, false,
+	processSQLNamePattern(pset.db, &buf, pattern, !showSystem && !pattern, false,
 						  "n.nspname", "c.relname", NULL,
 						  "pg_catalog.pg_table_is_visible(c.oid)");
 
@@ -2008,12 +2008,12 @@ listTables(const char *tabtypes, const char *pattern, bool verbose, bool showSys
 		appendPQExpBuffer(&buf, "'i',");
 	if (showSeq)
 		appendPQExpBuffer(&buf, "'S',");
-	if (showSystem)
+	if (showSystem || pattern)
 		appendPQExpBuffer(&buf, "'s',");	/* was RELKIND_SPECIAL in <= 8.1 */
 	appendPQExpBuffer(&buf, "''");		/* dummy */
 	appendPQExpBuffer(&buf, ")\n");
 
-	if (!showSystem)
+	if (!showSystem && !pattern)
 		/* Exclude system and pg_toast objects, but show temp tables */
 		appendPQExpBuffer(&buf,
 						  "  AND n.nspname <> 'pg_catalog'\n"
@@ -2087,7 +2087,7 @@ listDomains(const char *pattern, bool showSystem)
 					  gettext_noop("Modifier"),
 					  gettext_noop("Check"));
 
- 	if (!showSystem)
+ 	if (!showSystem && !pattern)
  		appendPQExpBuffer(&buf, "  AND n.nspname <> 'pg_catalog'\n");
 
 	processSQLNamePattern(pset.db, &buf, pattern, true, false,
@@ -2142,7 +2142,7 @@ listConversions(const char *pattern, bool showSystem)
 					  gettext_noop("yes"), gettext_noop("no"),
 					  gettext_noop("Default?"));
 
- 	if (!showSystem)
+ 	if (!showSystem && !pattern)
  		appendPQExpBuffer(&buf, "      AND n.nspname <> 'pg_catalog'\n");
 
 	processSQLNamePattern(pset.db, &buf, pattern, true, false,