From: Karl Heuer <kwzh@gnu.org>
Date: Tue, 15 Jun 1999 05:31:37 +0000 (+0000)
Subject: *** empty log message ***
X-Git-Tag: emacs-20.4~101
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=52f5162108e135998ee0a869b31c0df812a236d2;p=emacs.git

*** empty log message ***
---

diff --git a/lispref/os.texi b/lispref/os.texi
index 91025ec8b91..54bf2547280 100644
--- a/lispref/os.texi
+++ b/lispref/os.texi
@@ -839,9 +839,13 @@ of the environment variables @code{NAME}, if that is set.
 @end group
 @end example
 
-If @var{uid} is non-@code{nil}, then it should be an integer, a user-id,
-or a string, a login name.  Then @code{user-full-name} returns the full
-name corresponding to that user-id or login name.
+If the Emacs job's user-id does not correspond to any known user (and
+provided @code{NAME} is not set), the value is @code{"unknown"}.
+
+If @var{uid} is non-@code{nil}, then it should be an integer (a user-id)
+or a string (a login name).  Then @code{user-full-name} returns the full
+name corresponding to that user-id or login name.  If you specify a
+user-id or login name that isn't defined, it returns @code{nil}.
 @end defun
 
 @vindex user-full-name