James Gray wrote:
> 
> I don't really understand this stance.  My opinion is that providing
> a method_missing() implementation is a convenient way for a
> programmer to define a lot of dynamic methods.  This increases the
> messages an object responds to.
> 
> Following from that logic, I believe you should also override
> respond_to?() to reflect those new messages.  It's my opinion
> therefore that this thread has exposed a bug in Rails that should be
> patched.
> 

FWIW, there's an entry about this in the Ruby Style Guide on 
rubygarden.org: 
http://wiki.rubygarden.org/Ruby/page/show/RubyStyleGuide/RespondToGoesWithMethodMissing

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