Doc: fix documentation example for bytea hex output format.

tglsfdc · tglsfdc · commit 4f46f870fa56 · 2023-03-18T16:11:22.000-04:00
Per report from rsindlin Discussion: https://postgr.es/m/167907221210.1803488.5939223864945604536@wrigleys.postgresql.org
diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml
@@ -1493,7 +1493,12 @@ SELECT b, char_length(b) FROM test2;
    <para>
     Example:
 <programlisting>
-SELECT '\xDEADBEEF';
+SET bytea_output = 'hex';
+
+SELECT '\xDEADBEEF'::bytea;
+   bytea
+------------
+ \xdeadbeef
 </programlisting>
    </para>
   </sect2>
