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Re: Emacs Lisp's future

From: Stephen J. Turnbull
Subject: Re: Emacs Lisp's future
Date: Thu, 09 Oct 2014 19:50:37 +0900

Eli Zaretskii writes:

 > Aren't you again confusing the application level with the lower
 > "engine" level?

No, you and David are confused.  All experience with programming
systems shows that if you leave security up to the application
programmers, you won't get enough.  Remember, the security of a system
is equal to the minimum of the security levels of its components.

Of course the engine level needs to provide the *option* to be
flexible.  But that flexibility must be opt-in for the applications
that need to be nonconformant, not opt-out for the applications that
are happy to conform.  The latter won't bother ("it's too much to

In the case of Emacs coding systems, it's as simple as choosing to
name the conformant coding system 'utf-8, and the non-conformant one
'utf-8-with-rawbytes.  Why does this excite such <adjective deleted>

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