Decorate WITH with literal markup tags

One instance of "WITH clause" was not using  tags around
WITH, while others were, so add markup to the last one to ensure
consistency.  Backpatch to v15 where MERGE was added.

Reported-by: jian he 
Discussion: https://postgr.es/m/CACJufxGJKY9ZCPV2WDM6xFsXq9C8r7r3vU6AkScN+p9k6CEpMw@mail.gmail.com
Backpatch-through: v15

diff --git a/doc/src/sgml/ref/merge.sgml b/doc/src/sgml/ref/merge.sgml
index d66a0626b42aa597f0eef2f61d61dd71cd851da0..f643e6254d1d7bac8c5034550f3e735683965a37 100644 (file)
--- a/doc/src/sgml/ref/merge.sgml
+++ b/doc/src/sgml/ref/merge.sgml
@@ -627,8 +627,8 @@ WHEN MATCHED THEN
     This command conforms to the SQL standard.
   
    
-    The WITH clause and DO NOTHING action are extensions to
-    the SQL standard.
+    The WITH clause and DO NOTHING
+    action are extensions to the SQL standard.