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 @BEGIN (primarily CMU) with @END, used humorously in writing to
       indicate a context or to remark on the surrounded text. From the
       SCRIBE command of the same name. For example: @Begin(Flame) Predicate
       logic is the only good programming language. Anyone who would use
       anything else is an idiot. Also, computers should be tredecimal
       instead of binary. @End(Flame)