doc: Avoid sidebar element

The formatting of the sidebar element didn't carry over to the new tool
chain.  Instead of inventing a whole new way of dealing with it, just
convert the one use to a "note".

diff --git a/doc/src/sgml/client-auth.sgml b/doc/src/sgml/client-auth.sgml
index 2dd6c293503be6305a31968075010a26e0d3be55..1b568683a4733f80314015e434a7a282b4bb98f3 100644 (file)
--- a/doc/src/sgml/client-auth.sgml
+++ b/doc/src/sgml/client-auth.sgml
@@ -320,7 +320,7 @@ hostnossl  database  user
        hostssl, and hostnossl records.
       
 
-      <sidebar>
+      <note>
        
         Users sometimes wonder why host names are handled
         in this seemingly complicated way, with two name resolutions
@@ -350,7 +350,7 @@ hostnossl  database  user
         implementations of host name-based access control, such as the
         Apache HTTP Server and TCP Wrappers.
        
-      sidebar>
+      note>