Index: openacs-4/packages/acs-tcl/tcl/parameter-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/parameter-procs.tcl,v
diff -u -N -r1.21 -r1.22
--- openacs-4/packages/acs-tcl/tcl/parameter-procs.tcl	17 Dec 2017 19:54:35 -0000	1.21
+++ openacs-4/packages/acs-tcl/tcl/parameter-procs.tcl	17 Jan 2018 22:26:53 -0000	1.22
@@ -92,16 +92,7 @@
     # Special parsing for boolean parameters, true and false can be written
     # in many different ways
     if { $boolean_p } {
-        if { [catch { 
-            if { [template::util::is_true $value] } {
-                set value 1
-            } else {
-                set value 0
-            }
-        } errmsg] } {
-                        ns_log Error "Parameter $parameter not a boolean:\n$::errorInfo"
-            set value $default
-        }
+        set value [template::util::is_true $value]
     }
 
     return $value
@@ -190,16 +181,7 @@
     # Special parsing for boolean parameters, true and false can be written
     # in many different ways
     if { $boolean_p } {
-        if { [catch { 
-            if { [template::util::is_true $value] } {
-                set value 1
-            } else {
-                set value 0
-            }
-        } errmsg] } {
-                        ns_log Error "Parameter $parameter not a boolean:\n$::errorInfo"
-            set value $default
-        }
+        set value [template::util::is_true $value]
     }
 
     return $value