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Date:	Fri, 05 Jun 2015 22:01:11 +0300
From:	"Eli Zaretskii (eliz AT gnu DOT org)" <djgpp AT delorie DOT com>
Subject:	Re: DJGPP v2.05: some thoughts
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> From: Nick Bowler <nbowler AT draconx DOT ca>
> Date: Fri, 5 Jun 2015 18:10:01 +0000 (UTC)
> 
> On Fri, 05 Jun 2015 17:16:19 +0300, Eli Zaretskii (eliz AT gnu DOT org) wrote:
> >> From: Martin Str|mberg <ams AT ludd DOT luth DOT se>
> >> Date: Fri, 5 Jun 2015 12:29:43 +0000 (UTC)
> >> 
> >> But, IIRC, C99 (or even perhaps C89) reserved any symbol starting with E.
> > 
> > Where do you see such language in C99?  I don't see it, and neither do
> > I see it in C11.  But maybe I'm missing something, it's not like I've
> > read the entire document top to bottom.
> 
> Names starting with E followed by a digit or an uppercase letter are
> reserved if <errno.h> is included.

I don't see this text in the standard.

> C99§7.5p4 Errors <errno.h>:
> 
>   Additional macro definitions, beginning with E and a digit or E and
>   an uppercase letter, may also be specified by the implementation.
> 
> This text was copied unchanged into C11.  I am quite sure it was also
> present in C89.

It's indeed present in C89, but I don't see how it reserves these
names.

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