In article <d-j-v-E91B65.01475704032007@[EMAIL PROTECTED]
>,
Dustin Voss <d-j-v@[EMAIL PROTECTED]
> wrote:
> I see this as doable in the following fa****on. Make an object, call it
> #unsupplied if you like, but this object is internal to the
> implementation. Make this object evaluate as == to #f. But make
> keyword-initialized? notice the difference. Now, if a keyword parameter
> doesn't have a default value expression, instead of using #f, use
> #unsupplied instead.
Actually, in thinking about it further, we don't even have to go this
far. Just leave keyword semantics exactly as stated in the DRM, but just
decree that the keyword-initialized? function uses some
implementation-specific special knowledge.
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