Index: openacs-4/packages/acs-datetime/tcl/acs-calendar-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-datetime/tcl/acs-calendar-procs.tcl,v
diff -u -r1.31.2.4 -r1.31.2.5
--- openacs-4/packages/acs-datetime/tcl/acs-calendar-procs.tcl	23 Mar 2023 12:30:04 -0000	1.31.2.4
+++ openacs-4/packages/acs-datetime/tcl/acs-calendar-procs.tcl	23 Mar 2023 13:13:36 -0000	1.31.2.5
@@ -604,7 +604,7 @@
 }
 
 
-ad_proc dt_widget_calendar_navigation {
+ad_proc -deprecated dt_widget_calendar_navigation {
     {base_url ""}
     {view "week"}
     {date ""}
@@ -621,6 +621,11 @@
     (ben) for now I am disabling year, which doesn't work.
 
     The date must be formatted YYYY-MM-DD.
+
+    DEPRECATED: this api is never used in upstream code. One
+    historical usage was in the calendar package, that has its own
+    caldar UI since many years. Having such widgets in the api makes
+    it also difficult to style them.
 } {
 
     # valid views are "list" "day" "week" "month" "year"