Unicode operation

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• Subject: Unicode operation
• From: Budi <budikusasi@...>
• Date: 2022年6月20日 14:56:06 +0700

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In learning lua, suddenly met this:
> utf8.codepoint("résumé", 1,2)
114	233
> utf8.codepoint("résumé", 1,3)
114	233
> utf8.codepoint("résumé", 1,4)
114	233	115
> utf8.len("résumé")
6
Any crystal clear explanation ?

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