--- contrib/cookies/login.tcl	Wed Feb  6 20:09:11 2002
+++ contrib/cookies/login.tcl	Sun Nov  5 13:46:17 2006
@@ -15,6 +15,7 @@
    global env
 
-   set expire [clock format [expr {[clock seconds] + 3600}] \
-                -format "%A, %d-%b-%Y %H:%M:%S GMT" -gmt 1]
+   # Cookiedate's default is a WEEK from now. We want a shorter expiration
+   # of one hour, so we have to specify the time explicitly:
+   set expire [cookiedate [expr [clock seconds] + 3600]]
 
    Doc_SetCookie -name username -value $username -expires $expire \
--- lib/httpd.tcl	Wed Apr 28 21:34:16 2004
+++ lib/httpd.tcl	Sun Nov  5 14:08:35 2006
@@ -1899,6 +1899,8 @@
 # Side Effects:
 #	None
-
-proc HttpdDate {seconds} {
+proc HttpdDate {{seconds now}} {
+    if {$seconds == "now"} {
+	set seconds [clock seconds]
+    }
     return [clock format $seconds -format {%a, %d %b %Y %T GMT} -gmt true]
 }
--- lib/cookie.tcl	Sat May  1 09:49:21 2004
+++ lib/cookie.tcl	Sun Nov  5 14:35:44 2006
@@ -128,6 +128,5 @@
 	    }
 	    default {
-		set expires [clock format [clock scan $opt(-expires)] \
-			-format "%A, %d-%b-%Y %H:%M:%S GMT" -gmt 1]
+		set expires [cookiedate [clock scan $opt(-expires)]]
 	    }
 	}
@@ -170,4 +169,4 @@
 proc Cookie_Unset {name args} {
     Httpd_RemoveCookies [Httpd_CurrentSocket] name
-    Cookie_Set -name $name -value "" -expires [clock format [clock scan "last year"] -format "%A, %d-%b-%Y %H:%M:%S GMT" -gmt 1]
+    Cookie_Set -name $name -value "" -expires {Thu, 01-Jan-1970 00:00:00 GMT}
 }