=== modified file 'bin/confz'
--- old/bin/confz	2022-06-23 10:07:49 +0000
+++ new/bin/confz	2022-06-23 10:01:28 +0000
@@ -154,7 +154,6 @@
 	#   <arguments> are arguments passed to the dependency function
 
 	local name outer inner indent_prev check_only_prev check_ret
-	local prev_name new_name
 	local -a do_command_prev
 	local -A vars_local lift
 
@@ -175,11 +174,8 @@
 			(:*)   ((${+vars_prev[${1#:}]})) || \
 				die "variable ${(qqq)1#:} not set, passed as :argument"
 				setvar ${1#:} "${vars_prev[${1#:}]}";;
-			(\?*=*)
-				prev_name=${${1#\?}#*=}
-				new_name=${${1#\?}%%=*}
-				(($+vars_prev[$prev_name])) && \
-					setvar $new_name "$vars_prev[$new_name}";;
+			(\?*=*) (($+vars_prev[${${1#\?}#*=}])) && \
+				setvar ${${1#\?}%%=*} "$vars_prev[${${1#\?}#*=}";;
 			(\?*)  ((${+vars_prev[${1#\?}]})) && \
 				setvar ${1#\?} "${vars_prev[${1#\?}]}";;
 			(%*=*) lift[${${1#%}%%=*}]=${${1#%}#*=};;