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On Thu, Oct 22, 2020, 3:08 AM 孙世龙 sunshilong <> wrote:
Hi, list

There are some comments that contain "TM", for example:
"TM cache", "TM calls"?

What is "TM"?
If "TM" is short for "Tag method", then a question raises:
Are "Tag method" and "Metamethod" the same?

IIRC, "tag method" was the original name for what later became metamethods. Hence, they are the same thing.