How to force acrobat to perform ocr?

Hi Folks,
Is there any way I can force acrobat to perform an OCR on pages which it says have "renderable text"? The problem is that, when I copy and paste from the document, I just get a bunch of gobbledegook out. You can see the problem document here: http://www.gofc-gold.uni-jena.de/redd/sourcebook/Sourcebook_Version_Nov_2009_cop15-1.pdf
Thanks!
Acrobat Professional 9.2.0
XP SP3

That there is no real solution to this, after many years is an indication that either:
Adobe does not care, or
Adobe does not get it.
I was about to suggest my employer upgrade to a newer version of Acrobat, but see no indication that Adobe has really fixed the problem.
PDFs can contain multiple layers. When there is bitmapped text, from a scan, and "renderable text" such as a footer containing a document identification number (there are many, many, millions of such pages used in the legal world every day) then for reasons only the programmers at Adobe can explain, Acrobat is incapable of running OCR on the bitmap and leaving the rendered text in its own layer.
This is not a difficult problem. Since Acrobat can deal with layers making up each page, it should be somewhat trivial to have the OCR function find the bitmapped layer and operate on that layer.
Instead Acrobat gives the LAME error message.
The "fix" of saving to TIFF and back is a pain-in-the-arse work-around. It even froze Acrobat when I tried to save to TIFF.
The "fix" of ignoring renderable text in the margin area and running OCR on the interior bitmap is also not acceptable.
Adobe, you once were a reputable company. You gave the world Postscript. You gave the world PDFs. Why can't you get the OCR function to work properly in Acrobat?

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