diff options
Diffstat (limited to 'lisp/emacs-lisp/float-sup.el')
| -rw-r--r-- | lisp/emacs-lisp/float-sup.el | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/float-sup.el b/lisp/emacs-lisp/float-sup.el index ceb1eb3bafb..7e40fdad352 100644 --- a/lisp/emacs-lisp/float-sup.el +++ b/lisp/emacs-lisp/float-sup.el @@ -28,7 +28,13 @@ ;; 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.") +(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 float-e (exp 1) "The value of e (2.7182818...).") |