add upgrade attribute to root elements, which allows to specify:

- a different future document name
- an empty string, meaning that the document disappears in the future


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.0.x@1563476 13f79535-47bb-0310-9956-ffa450edef68

3 files changed, 10 insertions, 3 deletions

diff --git a/docs/manual/style/faq.dtd b/docs/manual/style/faq.dtd
index 9af4f113de..2285453048 100644
--- a/docs/manual/style/faq.dtd
+++ b/docs/manual/style/faq.dtd
@@ -26,6 +26,7 @@ seealso*, (section | categories))>
 
 <!ATTLIST faq metafile   CDATA        #REQUIRED
               all-in-one (yes | no ) "no"
+              upgrade    CDATA        #IMPLIED
 >
 
 <!ELEMENT categories (categoryfile*)>
diff --git a/docs/manual/style/manualpage.dtd b/docs/manual/style/manualpage.dtd
index 17742548fb..e9c22a044b 100644
--- a/docs/manual/style/manualpage.dtd
+++ b/docs/manual/style/manualpage.dtd
@@ -24,4 +24,6 @@
 <!ELEMENT manualpage (parentdocument?, title, summary?,
 seealso*, section*)>
 
-<!ATTLIST manualpage metafile CDATA  #REQUIRED>
+<!ATTLIST manualpage metafile CDATA  #REQUIRED
+                     upgrade  CDATA  #IMPLIED
+>
diff --git a/docs/manual/style/sitemap.dtd b/docs/manual/style/sitemap.dtd
index e47e8a9db1..829f326017 100644
--- a/docs/manual/style/sitemap.dtd
+++ b/docs/manual/style/sitemap.dtd
@@ -23,12 +23,16 @@
 <!-- <sitemap> is the root element -->
 <!ELEMENT sitemap (title, summary?, seealso*, category*)>
 
-<!ATTLIST sitemap metafile CDATA  #REQUIRED>
+<!ATTLIST sitemap metafile CDATA  #REQUIRED
+                  upgrade  CDATA  #IMPLIED
+>
 
 <!-- <indexpage> is another root element -->
 <!ELEMENT indexpage (parentdocument, title, category*)>
 
-<!ATTLIST indexpage metafile CDATA  #REQUIRED>
+<!ATTLIST indexpage metafile CDATA  #REQUIRED
+                    upgrade  CDATA  #IMPLIED
+>
 
 <!ELEMENT category (title, page*)>
 <!ATTLIST category id ID #IMPLIED>