This caught me out, so might catch others as well...
Index: docs/manual/mod/mod_authn_dbd.xml =================================================================== --- docs/manual/mod/mod_authn_dbd.xml (revision 369302) +++ docs/manual/mod/mod_authn_dbd.xml (working copy) @@ -61,6 +61,7 @@ <title>Configuration Example</title> <p>This simple example shows use of this module in the context of the Authentication and DBD frameworks.</p> +<p>NB The use of %s in the example is correct. When the username is replaced in the string it will be enclosed inside single quotes.</p> <example><pre> #Database Management