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Re: [Json] On characters and code points

John Cowan <cowan@mercury.ccil.org> Fri, 07 June 2013 17:31 UTC

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Date: Fri, 07 Jun 2013 13:30:56 -0400
From: John Cowan <cowan@mercury.ccil.org>
To: Tim Bray <tbray@textuality.com>
Message-ID: <20130607173054.GF13569@mercury.ccil.org>
References: <A723FC6ECC552A4D8C8249D9E07425A70FC2E7E1@xmb-rcd-x10.cisco.com> <51B06F38.8050707@crockford.com> <CAHBU6iuFBuW-RfgBLQF5q4BnUOzs088QXW3uOQG1OjBFjZttkw@mail.gmail.com> <51B1B4E7.8090101@it.aoyama.ac.jp> <9ld3r8pc0tufif18dohb2fmi0ijna1vs4n@hive.bjoern.hoehrmann.de> <56A163E9-E7CD-46B3-9984-8F009EBFF500@vpnc.org> <CAHBU6ivG=ONc8roT7W=LdpKYNMqRH_d5BobZ=pHnk=mVaKZKaA@mail.gmail.com> <20130607171950.GD13569@mercury.ccil.org> <CAHBU6iuO=D5Vtyjb_FQKHpttrFRBzXcB-Jac_ixb41GQFYF-Fw@mail.gmail.com>
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Subject: Re: [Json] On characters and code points
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Tim Bray scripsit:

> John is right and I am wrong.  What I really want to legislate against is:
> 
> {
>  "Mis-use of UTF-16 surrogates" : "\udf46\ud800AB\udf11CD\ud812EF",
>  "Mis-use of flipped BOM" : "AB\ufffeCD"
> }

FFEF/FFFE only have their magic meanings at the beginning of a text;
otherwise, FFFE and FFFF are formally equivalent (they are both
non-characters, my group 2).

-- 
Do what you will,                       John Cowan
   this Life's a Fiction                cowan@ccil.org
And is made up of                       http://www.ccil.org/~cowan
   Contradiction.  --William Blake

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