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> I would prefer the whole spec to be wrapped in "as if", > rather than introducing it for specific points. The ISO C > standard works that way. Obviously a spec defines the outcome and not the implementation, so anything that's specified in terms of a processing model has an implicit "as if". The problem arises when "as if" is used in the absence of an explicit processing model - it tends to introduce ambiguities because it very often leaves it unclear what order of operations is being mandated, for example, whether a particular rule referring to the treatment of whitespace is to be applied before or after CDATA sections are expanded. Michael Kay
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