Index: generic/predefined.h
===================================================================
diff -u -rf0260303acd3dd10018bbcbb28fc5d954dca2dc6 -re591522c92d208c4942888e632546262fd7641ad
--- generic/predefined.h	(.../predefined.h)	(revision f0260303acd3dd10018bbcbb28fc5d954dca2dc6)
+++ generic/predefined.h	(.../predefined.h)	(revision e591522c92d208c4942888e632546262fd7641ad)
@@ -203,7 +203,9 @@
 "{elementtype ::xotcl2::Class}}\n"
 "::xotcl::relation ::xotcl::InfoSlot superclass ::xotcl::Slot\n"
 "::xotcl::InfoSlot method get {obj -per-object:switch prop} {\n"
-"$obj info {*}[expr {${per-object} ? \"-per-object\" : \"\"}] $prop}\n"
+"if {[::xotcl::is $obj type ::xotcl2::Object]} {\n"
+"$obj info {*}[expr {${per-object} ? \"-per-object\" : \"\"}] $prop} else {\n"
+"$obj info $prop}}\n"
 "::xotcl::InfoSlot method add {obj -per-object:switch prop value {pos 0}} {\n"
 "puts stderr infoslot-add-[self args]\n"
 "if {![set .multivalued]} {\n"
@@ -231,6 +233,8 @@
 "::xotcl::relation ::xotcl::InterceptorSlot superclass ::xotcl::InfoSlot\n"
 "::xotcl::alias ::xotcl::InterceptorSlot set ::xotcl::relation ;# for backwards compatibility\n"
 "::xotcl::alias ::xotcl::InterceptorSlot assign ::xotcl::relation\n"
+"::xotcl::InterceptorSlot method get {obj -per-object:switch prop} {\n"
+"::xotcl::relation $obj {*}[expr {${per-object} ? \"-per-object\" : \"\"}] $prop}\n"
 "::xotcl::InterceptorSlot method add {obj -per-object:switch prop value {pos 0}} {\n"
 "puts stderr interceptorslot-add-obj=$obj,per-object=${per-object},prop=$prop,value=$value,pos=$pos\n"
 "if {![set .multivalued]} {\n"