;;; float-sup.el --- define some constants useful for floating point numbers.
-;; Copyright (C) 1985, 1986, 1987, 2001, 2002, 2003, 2004, 2005, 2006,
-;; 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+;; Copyright (C) 1985-1987, 2001-2016 Free Software Foundation, Inc.
-;; Maintainer: FSF
+;; Maintainer: emacs-devel@gnu.org
;; Keywords: internal
;; Package: emacs
;; Provide an easy hook to tell if we are running with floats or not.
;; Define pi and e via math-lib calls (much less prone to killer typos).
(defconst float-pi (* 4 (atan 1)) "The value of Pi (3.1415926...).")
-(defconst pi float-pi "Obsolete since Emacs-23.3. Use `float-pi' instead.")
+(defconst pi float-pi
+ "Obsolete since Emacs-23.3. Use `float-pi' instead.")
+(internal-make-var-non-special 'pi)
(defconst float-e (exp 1) "The value of e (2.7182818...).")