;;; float-sup.el --- define some constants useful for floating point numbers.
-;; Copyright (C) 1985-1987, 2001-2011 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...).")
-(progn
- ;; Simulate a defconst that doesn't declare the variable dynamically bound.
- (setq-default pi float-pi)
- (put 'pi 'variable-documentation
- "Obsolete since Emacs-23.3. Use `float-pi' instead.")
- (put 'pi 'risky-local-variable t)
- (push 'pi current-load-list))
+(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...).")