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when toggle format what by license comment
Mar 12, 2018 at 14:21 comment added guest "Some of the previous answers are of the nice-to-us-teachers-but-irrelevant-to-students type. I favor more concrete tidbits." Yes. Common pedagogical issue and not just on this question.
Jul 28, 2016 at 4:38 history answered Rodrigo A. Pérez CC BY-SA 3.0