Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!aioe.org!eternal-september.org!feeder.eternal-september.org!.POSTED!not-for-mail
From: Eric Sosman <esosman@ieee-dot-org.invalid>
Newsgroups: comp.lang.java.programmer
Subject: Re: ascii char 26
Date: Sun, 11 Sep 2011 18:28:25 -0400
Organization: A noiseless patient Spider
Lines: 17
Message-ID: <j4jcmd$p16$1@dont-email.me>
References: <16f8836c-27b9-483b-a71f-61d7d6cfd188@i2g2000yqm.googlegroups.com> <j4jakd$dfl$1@dont-email.me>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Injection-Date: Sun, 11 Sep 2011 22:28:29 +0000 (UTC)
Injection-Info: mx04.eternal-september.org; posting-host="f8igmItKsWs6nM5YanFxAA"; logging-data="25638"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX19B+sc7TuENSlw0BPzcUSpg"
User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:6.0.2) Gecko/20110902 Thunderbird/6.0.2
In-Reply-To: <j4jakd$dfl$1@dont-email.me>
Cancel-Lock: sha1:IkC45fl4x94xzpCnDl1PcrmWQ3Q=
Xref: x330-a1.tempe.blueboxinc.net comp.lang.java.programmer:7833

On 9/11/2011 5:52 PM, Joshua Cranmer wrote:
> On 9/11/2011 4:33 PM, bob wrote:
>> Anyone know why ASCII char 26 is used in place of a hyphen in UTF-8?
>
> The US-ASCII encoder only properly encodes characters in the range of
> 0-127, i.e., the characters that are present in ASCII. Any other
> character is replaced with some sort of substitution character; in this
> case, it looks like the charset has chosen to use ^Z as the "I don't
> know what this character is" character (I would have guessed '?'
> instead, but I suppose they decided to go with the less-commonly used
> variant).

     It makes more sense when you think of 26 not as ^Z, but as SUB.

-- 
Eric Sosman
esosman@ieee-dot-org.invalid