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-rw-r--r--lisp/emacs-lisp/cl.el4
1 files changed, 3 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/cl.el b/lisp/emacs-lisp/cl.el
index 74cfc241df1..f2ced20e59e 100644
--- a/lisp/emacs-lisp/cl.el
+++ b/lisp/emacs-lisp/cl.el
@@ -229,7 +229,9 @@ right when EXPRESSION calls an ordinary Emacs Lisp function that returns just
one value."
(apply function expression))
-(defalias 'multiple-value-call 'apply) ; only works for one arg
+(defalias 'multiple-value-call 'apply
+ "Apply FUNCTION to ARGUMENTS, taking multiple values into account.
+This implementation only handles the case where there is only one argument.")
(defsubst nth-value (n expression)
"Evaluate EXPRESSION to get multiple values and return the Nth one.