Use URI namespace within our domain (#54)

content.mkd

@@ -143,7 +143,7 @@ Clients can use WebDAV `PROPFIND` to retrieve these properties. Example:
 ~~~
 PROPFIND https://example.com/webdav/collection/
 <?xml version="1.0" encoding="utf-8" ?>
-<propfind xmlns="DAV:" xmlns:P="DAV:Push">
+<propfind xmlns="DAV:" xmlns:P="https://bitfire.at/webdav-push">
   <prop>
     <P:transports/>
     <P:topic/>
@@ -168,7 +168,7 @@ The comment shows how support for some other (not yet defined) transport could b
 
 ## Subscription Registration
 
-To subscribe to a collection, the client sends a `POST` request with `Content-Type: application/xml` to the collection it wants to subscribe. The root XML element of the XML body is `push-register` in the WebDAV-Push namespace (`DAV:Push`) and can be used to distinguish between a WebDAV-Push and other requests.
+To subscribe to a collection, the client sends a `POST` request with `Content-Type: application/xml` to the collection it wants to subscribe. The root XML element of the XML body is `push-register` in the WebDAV-Push namespace (`https://bitfire.at/webdav-push`) and can be used to distinguish between a WebDAV-Push and other requests.
 
 The `push-register` element contains exactly one `subscription` element, which contains all information the server needs to send a push message.
 
@@ -452,7 +452,7 @@ The server uses these data to encrypt the payload and send it to the push servic
 
 # XML Schema
 
-When XML element names are used without namespace in this document, they are in the WebDAV-Push namespace (`DAV:Push`). All XML elements defined by this document reside in this namespace.
+When XML element names are used without namespace in this document, they are in the WebDAV-Push namespace (`https://bitfire.at/webdav-push`). All XML elements defined by this document reside in this namespace.
 
 To reference element names in another namespace, the `{ns}element` syntax is used. For instance, `{DAV:}prop` means the `prop` XML element in the `DAV:` namespace.
 

xml/sample-propfind-multistatus-with-vapid.xml

@@ -1,4 +1,4 @@
-<multistatus xmlns="DAV:" xmlns:P="DAV:Push">
+<multistatus xmlns="DAV:" xmlns:P="https://bitfire.at/webdav-push">
   <response>
     <href>/webdav/collection/</href>
     <prop>

xml/sample-propfind-multistatus.xml

@@ -1,4 +1,4 @@
-<multistatus xmlns="DAV:" xmlns:P="DAV:Push">
+<multistatus xmlns="DAV:" xmlns:P="https://bitfire.at/webdav-push">
   <response>
     <href>/webdav/collection/</href>
     <prop>
@@ -11,7 +11,7 @@
         </P:some-other-transport>
         -->
       </P:transports>
-      <P:topic xmlns="DAV:Push">O7M1nQ7cKkKTKsoS_j6Z3w</P:topic>
+      <P:topic xmlns="https://bitfire.at/webdav-push">O7M1nQ7cKkKTKsoS_j6Z3w</P:topic>
     </prop>
   </response>
 </multistatus>

xml/sample-push-message1.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" ?>
-<P:push-message xmlns:D="DAV:" xmlns:P="DAV:Push">
+<P:push-message xmlns:D="DAV:" xmlns:P="https://bitfire.at/webdav-push">
   <D:propstat>
     <D:prop>
       <P:topic>O7M1nQ7cKkKTKsoS_j6Z3w</P:topic>

xml/sample-push-message2.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" ?>
-<P:push-message xmlns:P="DAV:Push">
+<P:push-message xmlns:P="https://bitfire.at/webdav-push">
   <D:propstat xmlns:D="DAV:">
     <D:status>404 Not Found</D:status>
     <D:prop>

xml/sample-registration-with-encryption.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" ?>
-<push-register xmlns="DAV:Push">
+<push-register xmlns="https://bitfire.at/webdav-push">
   <subscription>
     <web-push-subscription>
       <push-resource>https://up.example.net/yohd4yai5Phiz1wi</push-resource>

xml/sample-registration.xml

@@ -1,4 +1,4 @@
-<push-register xmlns="DAV:Push">
+<push-register xmlns="https://bitfire.at/webdav-push">
   <subscription>
     <web-push-subscription>
       <push-resource>https://up.example.net/yohd4yai5Phiz1wi</push-resource>

xml/sample-web-push-subscription.xml

@@ -1,3 +1,3 @@
-<web-push-subscription xmlns="DAV:Push">
+<web-push-subscription xmlns="https://bitfire.at/webdav-push">
   <push-resource>https://push.example.net/push/JzLQ3raZJfFBR0aqvOMsLrt54w4rJUsV</push-resource>
 </web-push-subscription>

xml/webdav-push.rng

@@ -1,4 +1,4 @@
-<grammar xmlns="http://relaxng.org/ns/structure/1.0" ns="DAV:Push">
+<grammar xmlns="http://relaxng.org/ns/structure/1.0" ns="https://bitfire.at/webdav-push">
 
   <!-- New WebDAV Collection Properties -->