(I assume that "include" above is a typo for "extend".)
Thanks again. I don't know why I was obsessed with this issue, but it
is a relief to resolve it. (The "However ..." part was obvious, but you
couldn't know that without reading my mind.)
BTW, I just got a hold of "The Ruby Way" a couple minutes ago. The very
first words inside it are: "Among other things, this book excels at
explaining metaprogramming, one of the most interesting aspects of Ruby.
Many of the early ideas for Rails were inspired by the first edition,
especially what is now chapter 11..." -- David Heinemeier Hansson,
Creator of Ruby on Rails.
So, combine that with your responses, and I'm about as assuaged
as a curious person can be.
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