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-rw-r--r--lisp/obsolete/float.el2
1 files changed, 2 insertions, 0 deletions
diff --git a/lisp/obsolete/float.el b/lisp/obsolete/float.el
index eb84c111f3d..2cef70ca1db 100644
--- a/lisp/obsolete/float.el
+++ b/lisp/obsolete/float.el
@@ -26,6 +26,8 @@
;;; Commentary:
+;; This file has been obsolete since Emacs 22.1.
+
;; Floating point numbers are represented by dot-pairs (mant . exp)
;; where mant is the 24-bit signed integral mantissa and exp is the
;; base 2 exponent.