OCR of PDF-documents using GData

[Abigail Headroom]

Hi,

Has anybody been able to perform OCR on a pdf document using GData?

http://googledataapis.blogspot.com/2009/09/import-scans-or-go-multilingual.html

Png and jpgs work fine after setting @client.version = '3' in
GData::Client::DocList but when I try pdf-files I get:

#<GData::Client::BadRequestError: request error 400: <errors
xmlns='http://schemas.google.com/g/2005'>
<error>
<domain>GData</domain>
<code>InvalidEntryException</code>
<internalReason>Could not convert document.</internalReason>
</error>
</errors>

Regards,
Abigail
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