Michael said << If you want to implement the method as a binary message (with special characters), everything is fine
>> Brilliant, so I was on the right track - sort of! Now for the important question. Where are the special characters defined? I looked in Smalltalk, and found a SpecialObjectsArray (along with a warning saying "don't touch this"!). I am not planning to touch it, but I am curious to understand how the system works. << The argument to a binary message is not undeclared; the simple fact that the message is binary *implies* there will be a parameter. Am I making sense? >> Totally, that clears it up for me. Cheers Andy
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