Should the cursor/completeListSize attributes of resumptionToken elements be in the OAI-OMH namespace?

[Douglas Burke]

The RofR returns the following heavily-redacted document from a 
ListRecords query:

  <OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" ...>
    ...
    <resumptionToken cursor="0" completeListSize="3"></resumptionToken>
   </ListRecords></OAI-PMH>

whereas the HEASARC registry (as well as others) returns

  <oai:OAI-PMH xmlns:oai ="http://www.openarchives.org/OAI/2.0/"
    ...
    <oai:resumptionToken cursor="0" 
completeListSize="472">ivo_managed!!!ivo_vor!100</oai:resumptionToken>
   </oai:ListRecords></oai:OAI-PMH>

So, in the RofR case. the cursor and completeListSize attributes of the 
OAI resumptionToken element use the 
"http://www.openarchives.org/OAI/2.0/" namespace, whereas they do not 
have an explicit namespace in the HEASARC case. In other words, I was 
expecting the HEASARC output to look like

   <oai:resumptionToken oai:cursor="0" oai:completeListSize="472">...

Which is right? Does it really matter (in my toy application I can just 
look for the cursor attribute in either namespace, so it's not a deal 
breaker for me)?

Thanks,
Doug

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