<!--
  Copyright 2002-2004 The Apache Software Foundation or its licensors,
  as applicable.

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
-->
<!-- ===================================================================
     
     Apache Cocoon Documentation Tab DTD (Version 1.0)

PURPOSE:
This DTD defines the */tab.xml documentation configuration files.  Tabs are
visual indicators that a certain subsection of the URI space is being browsed.

TYPICAL INVOCATION:

  <!DOCTYPE tab PUBLIC
       "-//APACHE//DTD Cocoon Documentation Tab Vx.yz//EN"
       "tab-cocoon-vxyz.dtd">

  where 
  
    x := major version
    y := minor version
    z := status identifier (optional)
      
NOTES:
  
FIXME:
  - find the proper DTD for top.xml

CHANGE HISTORY:
  20020506 Initial version. (BVK)
  20021102 Revised to allow either @dir or @href (JT)
  20030521 Add @id (JT)
  20031223 Allow nested tags (RDG)
    
==================================================================== -->
<!ELEMENT tabs (tab)*>
<!ELEMENT tab (tab)*>
<!ATTLIST tabs
  software CDATA #REQUIRED
  title CDATA #REQUIRED
  copyright CDATA #REQUIRED
  xmlns:xlink CDATA #IMPLIED
>
<!ATTLIST tab
  id CDATA #IMPLIED
  label CDATA #REQUIRED
  dir CDATA #IMPLIED
  indexfile CDATA #IMPLIED
  href CDATA #IMPLIED
  type (visible | hidden) "visible"
>
<!-- =============================================================== -->
<!-- End of DTD -->
<!-- =============================================================== -->
