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On Tue, Oct 11, 2011 at 10:51 AM, Xavier Wang <weasley.wx@gmail.com> wrote:
> some, maybe table.concat can accept a second sep:
> print(table.concat(t, ':', ',') --> a:1,b:2,c:3
>
What about: {a={b={c={1, 2, 3, 4}}}}?