While reconsidering your question I found that
a) my previous answer is wrong and
b) my interpretation of the spec at this point hinges on whether the
normalization step for non-CDATA attributes should be performed
before or after the normalization of whitespace to  
I think it is after, but I don't really know. Sorry.
-- "These are, as I began, cumbersome ways / to kill a man. Simpler, direct, and much more neat / is to see that he is living somewhere in the middle / of the twentieth century, and leave him there." -- Edwin Brockhttp://www.stud.ifi.uio.no/~larsga/ http://birk105.studby.uio.no/