Index: openacs-4/packages/calendar/www/view-week-display.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/calendar/www/view-week-display.tcl,v
diff -u -r1.31 -r1.31.2.1
--- openacs-4/packages/calendar/www/view-week-display.tcl	23 Apr 2018 12:42:01 -0000	1.31
+++ openacs-4/packages/calendar/www/view-week-display.tcl	22 Oct 2023 16:30:01 -0000	1.31.2.1
@@ -8,7 +8,7 @@
       export: may be "print"
 } {
     {date}
-    {show_calendar_name_p:boolean 1}
+    {show_calendar_name_p:boolean,notnull 1}
     {calendar_id_list ""}
     {cal_system_type ""}
     {export ""}