Index: openacs-4/packages/xotcl-core/tcl/ical-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xotcl-core/tcl/ical-procs.tcl,v
diff -u -N -r1.19 -r1.20
--- openacs-4/packages/xotcl-core/tcl/ical-procs.tcl	20 Jul 2018 15:07:43 -0000	1.19
+++ openacs-4/packages/xotcl-core/tcl/ical-procs.tcl	22 Jul 2018 09:26:48 -0000	1.20
@@ -286,6 +286,13 @@
     return $t
   }
 
+  #
+  # Subclass ::xo::ProtocolHandler for dav (as used by ical)
+  #
+  Class create ::xo::dav -superclass ProtocolHandler -parameter {
+    {url /webdav}
+  }
+  
 }
 
 ::xo::library source_dependent