Index: openacs-4/packages/acs-authentication/tcl/sync-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-authentication/tcl/sync-procs.tcl,v
diff -u -N -r1.19 -r1.20
--- openacs-4/packages/acs-authentication/tcl/sync-procs.tcl	7 Oct 2003 13:17:18 -0000	1.19
+++ openacs-4/packages/acs-authentication/tcl/sync-procs.tcl	17 Oct 2003 08:25:53 -0000	1.20
@@ -619,8 +619,10 @@
     
     array set param $parameters
     
-    if { ![empty_string_p $param(SnapshotURL)] && [string equal [clock format [clock seconds] -format "%d"] "01"] } {
-        # On the first day of the month, we get a snapshot 
+    if { (![empty_string_p $param(SnapshotURL)] && [string equal [clock format [clock seconds] -format "%d"] "01"]) || \
+             [empty_string_p $param(IncrementalURL)] } {
+
+        # On the first day of the month, we get a snapshot
         set url $param(SnapshotURL)
         set result(snapshot_p) "t"
     } else {
@@ -629,7 +631,7 @@
     }
 
     if { [empty_string_p $url] } {
-        error "No URL to get"
+        error "You must specify at least one URL to get."
     }
 
     set result(document) [util_httpget $url]