Misleading specification for region in clEnqueueReadBufferRect docs (ch. 7 p. 270)

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The chapter is misleading in its description of region as "(width, height, 
depth) in bytes" when in fact the specification is "(width in bytes, height in 
rows, depth in slices)". This could probably stand to be explicitly spelled out 
for *all* the inputs where this is the case.

Original issue reported on code.google.com by [email protected] on 25 Jan 2012 at 11:16