Defines the content of a folder page stack item.
PAGE [identifier] [ ( attribute-list ) ]
  { scalable-item
  | grouping-item 
          leaf-item
          [...]
      END
  }
END
 Use a PAGE stack layout element to group other stack items together.
A PAGE stack item always belongs to a parent FOLDER stack item.
For more details about this item type, see PAGE item type.
FOLDER folder1 ( STYLE="common" )
   PAGE page1 ( TEXT="Customer info" )
      GROUP
          EDIT ...
          EDIT ...
          EDIT ...
      END
   END
   PAGE page2 ( TEXT="Picture" )
      IMAGE FORMONLY.cust_pic;
   END
   PAGE page3 ( TEXT="Comments" )
      TEXTEDIT customer.cust_desc;
   END
   ...
END