Subject: Re: bug#30078: 27.0.50; Use lexical-binding for M-:

From: Richard Stallman <[email-masked]>
Date: Sun, 14 Jan 2018 21:34:54 -0500

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  > Lexical and dynamic binding each have their place in Lisp,
  > especially in Emacs Lisp.  RMS underlined the importance
  > of dynamic binding for Emacs.

Emacs must have dynamic binding, but that doesn't mean it
needs to have a mode where dynamic binding is the default.
It can be limited to the variables declared to be dynamic.

-- 
Dr Richard Stallman
President, Free Software Foundation (https://gnu.org, https://fsf.org)
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