Joe Clark's article at A List Apart defends the accessibility of Portable Document Format (PDF) documents. You may know them as Acrobat documents because they are most likey read by your Acrobat Reader application from Adobe. (Mr. Clark takes great pains to disassociate PDF from Acrobat.)
Accessibility
One big argument against PDF has been that screen readers, those specialized readers for sight impaired individuals, could not understand PDF documents well. Mr. Clark argues that screen reader improvements combined with markup changes within the PDF document itself can provide an acceptable level of accessibility.
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