Index: openacs-4/packages/acs-tcl/tcl/whos-online-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/whos-online-procs.tcl,v
diff -u -r1.8 -r1.9
--- openacs-4/packages/acs-tcl/tcl/whos-online-procs.tcl	18 Sep 2018 15:26:54 -0000	1.8
+++ openacs-4/packages/acs-tcl/tcl/whos-online-procs.tcl	18 Sep 2018 15:27:19 -0000	1.9
@@ -26,11 +26,11 @@
 }
 
 ad_proc -private whos_online::flush {} {
-    Removing all user_ids from the last_hit (nsv_set) which have a timestamp older than 
+    Removing all user_ids from the last_hit (nsv_set) which have a timestamp older than
     the number of seconds indicated by the proc whos_online::interval.
 
     @author Bjoern Kiesbye
-} { 
+} {
     array set last_hit [nsv_array get last_hit]
     set onliners_out [list]
     set interval 1
@@ -39,11 +39,11 @@
     for { set search [array startsearch last_hit] } { [array anymore last_hit $search] } {} {
         set user [array nextelement last_hit $search]
         set time $last_hit($user)
-        if {$time<$oldtime} { 
-            lappend onliners_out $user 
-        } 
+        if {$time<$oldtime} {
+            lappend onliners_out $user
+        }
     }
-    
+
     array donesearch last_hit $search
 
     for { set i 0 } { $i < [llength $onliners_out] } { incr i } {
@@ -75,7 +75,7 @@
     @author Bjoern Kiesbye
 } {
     if { $user_id != 0 } {
-        nsv_set last_hit $user_id [ns_time] 
+        nsv_set last_hit $user_id [ns_time]
         if { ![nsv_exists first_hit $user_id] } {
             nsv_set first_hit $user_id [ns_time]
         }
@@ -111,14 +111,14 @@
 }
 
 ad_proc -public whos_online::num_users {} {
-    Get the number of registered users currently online, and not invisible 
+    Get the number of registered users currently online, and not invisible
 } {
     # We might want to optimize this, but for now, let's just do it this way:
     return [llength [whos_online::user_ids]]
 }
 
 ad_proc -public whos_online::num_anonymous {} {
-    Get the number of anonymous users currently online, and not invisible 
+    Get the number of anonymous users currently online, and not invisible
 } {
     # Not implemented yet: number of anonymous users counted by IP + number of invisible users
     return 0
@@ -127,8 +127,8 @@
 ad_proc -public whos_online::user_ids {
     {-all:boolean}
 } {
-    This function returns a list of user_ids from users which have requested a page 
-    from this Server in the last 10 min and aren't set to invisible. 
+    This function returns a list of user_ids from users which have requested a page
+    from this Server in the last 10 min and aren't set to invisible.
 
     @param all Set this flag if you want to include invisible users.
 
@@ -140,36 +140,36 @@
 
     for { set search [array startsearch last_hit] } { [array anymore last_hit $search] } {} {
         set user_id [array nextelement last_hit $search]
-        if { $last_hit($user_id) > $oldtime } { 
+        if { $last_hit($user_id) > $oldtime } {
             # User is online
             if { $all_p || ![user_invisible_p $user_id] } {
                 # And he's not invisible, or we want all users
                 lappend onliners $user_id
-            } 
-        } 
+            }
+        }
     }
-    
+
     array donesearch last_hit $search
 
     return $onliners
 }
 
-ad_proc -public whos_online::set_invisible { 
+ad_proc -public whos_online::set_invisible {
     user_id
 } {
     This procedure sets the user user_id to invisible,
-    his user_id will not be returned by user_ids. 
-    The invisible state will only last as long as the user is online. 
+    his user_id will not be returned by user_ids.
+    The invisible state will only last as long as the user is online.
 
     @author Bjoern Kiesbye
 } {
     nsv_set invisible_users $user_id [ns_time]
 }
 
-ad_proc -public whos_online::unset_invisible { 
+ad_proc -public whos_online::unset_invisible {
     user_id
 } {
-    This procedure unsets the invisible state of user_id. 
+    This procedure unsets the invisible state of user_id.
 
     @author Bjoern Kiesbye
 } {
@@ -182,7 +182,7 @@
 ad_proc -public whos_online::user_invisible_p {
     user_id
 } {
-    This function checks if the user user_id is set 
+    This function checks if the user user_id is set
     to invisible. Returns a Tcl boolean.
 
     @author Bjoern Kiesbye
@@ -194,7 +194,7 @@
     This function returns a list with all user_ids which are set to invisible
 
     @author Bjoern Kiesbye
-} {   
+} {
     return [nsv_array names invisible_users]
 }