tjf/jiaoyuju: 教育局代码 @ 3ff8a05a04b2c8c25b679d57cf2684755a000259

Administrator eec7f449c9 first commit		4 anni fa
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async.js	eec7f449c9 first commit	4 anni fa
default-encoding.js	eec7f449c9 first commit	4 anni fa
precondition.js	eec7f449c9 first commit	4 anni fa
sync-browser.js	eec7f449c9 first commit	4 anni fa
sync.js	eec7f449c9 first commit	4 anni fa
to-buffer.js	eec7f449c9 first commit	4 anni fa