Re: draft-klensin-unicode-escapes-02.txt

"Clive D.W. Feather" <clive@demon.net> Wed, 21 February 2007 08:45 UTC

Date: Wed, 21 Feb 2007 08:44:17 +0000
From: "Clive D.W. Feather" <clive@demon.net>
To: Frank Ellermann <nobody@xyzzy.claranet.de>
Subject: Re: draft-klensin-unicode-escapes-02.txt
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Frank Ellermann said:
> Here's what I'd do with the existing ABNF:
> 
>    EmbeddedUnicodeChar =  BMP-form / Full-form
>    BMP-form  =  %x5C.75 4HEXDIG   ; starting with lower case "\u"
>    Full-form =  %x5C.55 8HEXDIG   ; starting with upper case "\U"
> 
> IOW no more <Hex-quad> because you didn't use it elsewhere,

I would prefer this as well. The <Hex-quad> comes from the C Standard,
where we didn't have the <number><token> notation and so would have had to
write the equivalent of:

    %x5C.55 HEXDIG HEXDIG HEXDIG HEXDIG HEXDIG HEXDIG HEXDIG HEXDIG

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draft-klensin-unicode-escapes-02.txt John C Klensin
Re: draft-klensin-unicode-escapes-02.txt Clive D.W. Feather
Re: draft-klensin-unicode-escapes-02.txt Frank Ellermann
Re: draft-klensin-unicode-escapes-02.txt Philip Guenther
Re: draft-klensin-unicode-escapes-02.txt Clive D.W. Feather
draft-klensin-unicode-escapes-03.txt (was: Re: dr… John C Klensin
Re: draft-klensin-unicode-escapes-03.txt Frank Ellermann