oai-pmh.md

@@ -56,6 +56,8 @@ For the element langstring the attribute xml:lang is used.
   <lom:langstring xml:lang="de">Einführungsvortrag zum Masterstudiengang Accounting, Auditing and Taxation</lom:langstring>
 </lom:description>
 ```
+## Special Attribues
+### x-none
 "x-none" is used for strings without language identification.
 ```
 <lom:value>
@@ -100,6 +102,9 @@ The mapping used:
 | video/mp4       | Video          |
 |                 | Misccellaneous |
 
+## Changes in future Release:
+- no Media Type mapping, use of mime/type as is
+- open for spdx.org/license listet except commercial one
 
 ## Links
 - https://www.openarchives.org/