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3 points by rocketnia 4055 days ago | link | parent

"Well, how did the change not break setforms in arc.arc? Was the original definition for make-br-fn silently overwritten somewhere?"

Yes. The [...] syntax is redefined in make-br-fn.arc after arc.arc is loaded.

I described my opinion of this at It did break my code, but I don't mind breaking changes these days (maybe because I'm hardly a user!), and I think a:b syntax is already more useful than either version of [...].