anchor.diff:                </itemizedlist>
   
                 Double authentication is possible, e.g.
  -              <para>
  +
  +              <literal>
                   {
                     auth = [ "iponly" "strong" ];
                     acl = [
  
positive.code: 
          Example users file with plain-text passwords:
  
          <para>
            test1:CL:password1
            test2:CL:password2
          </para>
  
          Example users file with md5-crypted passwords:
  
          <para>
            test1:CR:$1$tFkisVd2$1GA8JXkRmTXdLDytM/i3a1
            test2:CR:$1$rkpibm5J$Aq1.9VtYAn0JrqZ8M.1ME.
          </para>
  
          You can generate md5-crypted passwords via https://unix4lyfe.org/crypt/
          Note that htpasswd tool generates incompatible md5-crypted passwords.
  
negative.code:                     }
                    ];
                  }
                </literal>
                In this example strong username authentication is not required to access 192.168.0.0/16.
              '';
            };
  