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Re: [PATCH] Unicode Lisp reader escapes

From: Aidan Kehoe
Subject: Re: [PATCH] Unicode Lisp reader escapes
Date: Fri, 5 May 2006 18:35:48 +0200

 Ar an cúigiú lá de mí Bealtaine, scríobh Eli Zaretskii: 

 > >  > I think one relevant question is to what extent the C and Emacs Lisp
 > >  > string syntax are compatible in the first place. Emacs Lisp string
 > >  > syntax was largely based on C string syntax in 1984, but I don't
 > >  > know how C has developed since 1990. Can someone report on this
 > >  > question?
 > > 
 > > The \u syntax (with a fixed number of digits) came into wide use with
 > > Java in 1996. The necessity for the \U extension arose with progress
 > > towards version 3.0 of Unicode and its ~1.1 million available code
 > > points. That version of the standard was released in 1999; the C99 ISO
 > > standard for C of the same year included both \u and \U. Various other
 > > C-oriented programming languages have incorporated the syntax since.
 > I think Richard was asking for a simple summary of the current C
 > string syntax, with special emphasis on the standard escapes.  \u and
 > \U are only part of the story.

Well, I read it as him asking how C has developed since 1990 in its string
syntax, and \u and \U are most of that story. Your parse is more reasonable;
the question is not clear, though. 

Aidan Kehoe, http://www.parhasard.net/

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