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GNU Emacs NEWS -- history of user-visible changes.
Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2011
Free Software Foundation, Inc.
See the end of the file for license conditions.
Please send Emacs bug reports to bug-gnu-emacs@gnu.org.
If possible, use M-x report-emacs-bug.
This file is about changes in the Emacs "lexbind" branch.
* Lisp changes in Emacs 23.1
** The `lexical-binding' lets code use lexical scoping for local variables.
It is typically set via file-local variables, in which case it applies to
all the code in that file.
** Lexically scoped interpreted functions are represented with a new form
of function value which looks like (closure ENV ARGS &rest BODY).
** New macro `letrec' to define recursive local functions.
----------------------------------------------------------------------
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GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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Boston, MA 02110-1301, USA.
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mode: outline
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end:
arch-tag: d5ab31ab-2041-4b15-a1a9-e7c42693060c
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