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From: David Brown <david.brown@hesbynett.no>
Newsgroups: comp.lang.c
Subject: Re: Hex string literals (was Re: C23 thoughts and opinions)
Date: Wed, 19 Jun 2024 10:49:24 +0200
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On 19/06/2024 09:25, Lawrence D'Oliveiro wrote:
> On Tue, 18 Jun 2024 15:54:15 +0200, David Brown wrote:
> 
>> ... C++ could not use underscores
>> due to their use in user-defined literals, and C followed C++.
> 
> C can still offer the option for them, though.

Sometimes it makes sense for C to do the same thing in a different way 
from C++ - but it is rare, and needs very strong justification.