---ical.h.orig1996-02-1004:17:36.000000000+0100+++ical.h2003-04-2818:14:32.000000000+0200@@-4,6+4,11@@#include<tcl.h>+// That was introduced in tcl8.4+#ifndefCONST84+#defineCONST84+#endif+// Proc for triggering tcl code based on changes// to calendars/items.