Reference doc "examples" section for pg_dump options that often need

complex quoting, e.g. -t and -n.

doc/src/sgml/ref/pg_dump.sgml

@@ -301,7 +301,8 @@ PostgreSQL documentation
         linkend="APP-PSQL-patterns" endterm="APP-PSQL-patterns-title">),
         so multiple schemas can also be selected by writing wildcard characters
         in the pattern.  When using wildcards, be careful to quote the pattern
-        if needed to prevent the shell from expanding the wildcards.
+        if needed to prevent the shell from expanding the wildcards;  see
+        <xref linkend="pg-dump-examples" endterm="pg-dump-examples-title">.
        </para>
 
        <note>
@@ -435,7 +436,8 @@ PostgreSQL documentation
         linkend="APP-PSQL-patterns" endterm="APP-PSQL-patterns-title">),
         so multiple tables can also be selected by writing wildcard characters
         in the pattern.  When using wildcards, be careful to quote the pattern
-        if needed to prevent the shell from expanding the wildcards.
+        if needed to prevent the shell from expanding the wildcards;  see
+        <xref linkend="pg-dump-examples" endterm="pg-dump-examples-title">.
        </para>
 
        <para>
@@ -973,7 +975,7 @@ CREATE DATABASE foo WITH TEMPLATE template0;
  </refsect1>
 
  <refsect1 id="pg-dump-examples">
-  <title>Examples</title>
+  <title id="pg-dump-examples-title">Examples</title>
 
   <para>
    To dump a database called <literal>mydb</> into a SQL-script file: