oai-pmh.md

@@ -31,7 +31,7 @@ As mentioned above, some implementaion are returning content-type as _text/xml_
 
 **oerhub.at** harvests the data with a perl-based daemon. The implementation is based on [OAI-Harvester 1.20]( https://metacpan.org/pod/Net::OAI::Harvester). The Perl modul expects _text/xml_ and supports the standard DC. Our module  accepts in addition the _application/xml_ and has the specific LOM-handler implemented. The tests are rewritten against maintend repos.
 
-## Required Elements
+## Required Elements (oerhub 1.2)
 - **Title** - lom.general.title
 - **Author** - lom.lifecycle.contribute.role.value (=Author) and the Name in lom.lifecycle.contribute.centity.vcard or lom.lifecycle.contribue.entity.langstring
 - **Mediatyp** - lom.technical.format (mime/types)
@@ -39,6 +39,9 @@ As mentioned above, some implementaion are returning content-type as _text/xml_
 - **Classification** - lom.classification.taxonpath (Öfos)
 - **Educational** - lom.educational.learningresourcetype
 - **last changed Date/Upload** - lom.lifecycle.version.datetime (custom element)
+## Required Elements (oerhub 1.3 and above)
+- **Learning Resource Type** - lom.educational.learningresourcetype
+- **Language** - lom.general.language
 ## Preferred optional Elements
 - **Descripton** - lom.general.description
 ## Optional Elements