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Re: Defgeneric affects methods?
``Except it does affect existing methods if :method is
Here is an issue brought up by wording problems: do you mean
that defgeneric affects the set of existing methods (such as
replacing some of them) or that defgeneric affects some individuals
because when one is ``replaced'' a method is destructively modified?
I think that this is an example where documentation indirection would
pay off. Describe what happens when one evaluates a defgeneric with no
:method options, and thee is an existing generic function. No existing
methods on the existing generic function is changed.
Then state that defgeneric with :method options is equivalent to a
defgeneric with no :method options follwoed by a set of defmethods. We
have said what happens there as well. Similar methods get replaced.