From mboxrd@z Thu Jan  1 00:00:00 1970
To: 9fans@9fans.net
Subject: Re: [9fans] Bgetrune while(i>runesize) loop
From: "Russ Cox" <rsc@swtch.com>
Date: Thu, 10 Jul 2008 16:45:52 -0400
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> Would this be because fullrune doesn't check for validity, and if
> chartorune fails then the possibility of eating too much comes about?

Mostly, yes.  The fundamental issue is that, presented
with malformed UTF-8, chartorune needs to look at
more bytes than the number it returns.

Russ