Re: master 4895ca16f7: Ensure that we don't call print-unreadable-function from " prin1"

[Robert Pluim]

>>>>> On Thu, 28 Jul 2022 12:30:57 +0200, Lars Ingebrigtsen <larsi@gnus.org> 
>>>>> said:

    Lars> Robert Pluim <rpluim@gmail.com> writes:
    >> If itʼs truly internal we should `unintern' it, no?

    Lars> I didn't know that was possible?

  DEFSYM (Qinternal_interpreter_environment,
          "internal-interpreter-environment");
  DEFVAR_LISP ("internal-interpreter-environment",
                Vinternal_interpreter_environment,
               doc: /* If non-nil, the current lexical environment of the lisp 
interpreter.
When lexical binding is not being used, this variable is nil.
A value of `(t)' indicates an empty environment, otherwise it is an
alist of active lexical bindings.  */);
  Vinternal_interpreter_environment = Qnil;
  /* Don't export this variable to Elisp, so no one can mess with it
     (Just imagine if someone makes it buffer-local).  */
  Funintern (Qinternal_interpreter_environment, Qnil);

Robert
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