From: Mattias Engdegård <mattiase@acm.org>
Date: Tue, 19 Jul 2022 11:56:08 +0000 (+0200)
Subject: ; * src/data.c (Fash): More precise doc string
X-Git-Tag: emacs-29.0.90~1447^2~851^2~1
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=ac1d15e95c88592325afebb3d82c8c74a27d2627;p=emacs.git

; * src/data.c (Fash): More precise doc string
---

diff --git a/src/data.c b/src/data.c
index 568349ba839..b2fcdaebee1 100644
--- a/src/data.c
+++ b/src/data.c
@@ -3519,7 +3519,9 @@ representation.  */)
 DEFUN ("ash", Fash, Sash, 2, 2, 0,
        doc: /* Return VALUE with its bits shifted left by COUNT.
 If COUNT is negative, shifting is actually to the right.
-In this case, the sign bit is duplicated.  */)
+The return value is always VALUE multiplied by 2 to the power of COUNT,
+rounding down (towards negative infinity).
+VALUE and COUNT must be integers.  */)
   (Lisp_Object value, Lisp_Object count)
 {
   CHECK_INTEGER (value);