Index: openacs-4/packages/calendar/calendar.info
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/calendar/calendar.info,v
diff -u -r1.47.2.3 -r1.47.2.4
--- openacs-4/packages/calendar/calendar.info	14 Dec 2020 09:36:11 -0000	1.47.2.3
+++ openacs-4/packages/calendar/calendar.info	11 Mar 2021 10:48:34 -0000	1.47.2.4
@@ -6,8 +6,8 @@
     <pretty-plural>Calendars</pretty-plural>
     <initial-install-p>f</initial-install-p>
     <singleton-p>f</singleton-p>
-    
-    <version name="2.10.0d8" url="http://openacs.org/repository/download/apm/calendar-2.10.0d8.apm">
+
+    <version name="2.10.0d9" url="http://openacs.org/repository/download/apm/calendar-2.10.0d9.apm">
         <owner url="mailto:openacs-calendar@dirkgomez.de">Dirk Gomez</owner>
         <summary>Personal and shared event calendars.</summary>
         <release-date>2017-08-06</release-date>
@@ -17,15 +17,15 @@
         <maturity>2</maturity>
         <package_instance_name>#calendar.Calendar#</package_instance_name>
 
-        <provides url="calendar" version="2.10.0d8"/>
+        <provides url="calendar" version="2.10.0d9"/>
         <requires url="attachments" version="0.11"/>
         <requires url="acs-datetime" version="5.9.1"/>
         <requires url="acs-events" version="0.6.2d2"/>
         <requires url="acs-lang" version="5.9.1"/>
         <requires url="notifications" version="5.9.1"/>
         <requires url="ref-timezones" version="5.9.1"/>
-	<requires url="acs-tcl" version="5.9.1"/>
-	<requires url="acs-templating" version="5.9.1"/>
+        <requires url="acs-tcl" version="5.9.1"/>
+        <requires url="acs-templating" version="5.10.d13"/>
 
         <callbacks>
             <callback type="after-install"  proc="calendar::install::package_install"/>
Index: openacs-4/packages/calendar/www/cal-item-create-recurrence.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/calendar/www/cal-item-create-recurrence.tcl,v
diff -u -r1.10 -r1.10.2.1
--- openacs-4/packages/calendar/www/cal-item-create-recurrence.tcl	7 Aug 2017 23:48:05 -0000	1.10
+++ openacs-4/packages/calendar/www/cal-item-create-recurrence.tcl	11 Mar 2021 10:48:35 -0000	1.10.2.1
@@ -47,10 +47,12 @@
 ad_form -name cal_item  -export {return_url} -form {
     {cal_item_id:key}
 
-    {every_n:integer,optional
+    {every_n:integer(number),optional
         {label "[_ calendar.Repeat_every]"}
         {value 1}
-        {html {size 4}} 
+        {html
+            {size 4 min 1}
+        }
     }
 
     {interval_type:text(radio)
Index: openacs-4/packages/calendar/www/view-list-display.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/calendar/www/view-list-display.tcl,v
diff -u -r1.41.2.2 -r1.41.2.3
--- openacs-4/packages/calendar/www/view-list-display.tcl	20 Dec 2019 10:48:55 -0000	1.41.2.2
+++ openacs-4/packages/calendar/www/view-list-display.tcl	11 Mar 2021 10:48:35 -0000	1.41.2.3
@@ -240,9 +240,9 @@
 set exported_vars [export_vars -entire_form -no_empty -form -exclude $excluded_vars]
 
 ad_form -name frmdays -has_submit 1 -html {class "inline-form"} -form {
-    {period_days:integer,optional
+    {period_days:integer(number),optional
         {label "[_ calendar.days]"}
-        {html {size 3 maxlength 3 class "cal-input-field"}}
+        {html {min 1 max 999 size 3 class "cal-input-field"}}
         {value "$period_days"}
     }
 } -on_submit { }