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Date: Wed, 13 May 2009 20:55:10 +0100
Message-ID: <416096c60905131255p3715e047i722e4d6d0f523ae8@mail.gmail.com>
Subject: Re: [Fwd: [1.7] wcwidth failing configure tests]
From: Andy Koppe <andy DOT koppe AT gmail DOT com>
To: newlib AT sourceware DOT org, cygwin AT cygwin DOT com
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> How should that work? =C2=A0The first half of the surrogate pair has not
> enough information to decide that. =C2=A0For instance, take the ranges
> 0x10A01, 0x10A03 }, { 0x10A05, 0x10A06 }. =C2=A0The information about the=
 low
> 10 bits of the Unicode value is in the second half of the pair. =C2=A0From
> the first half you don't know if the char is perhaps the 0x10A04 value
> or one of the other. =C2=A0So you need both halves to make a decision.

You're right. I'd somehow overlooked the end of the combining[] array.

Andy

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