=== modified file 'zsh-functions/confz_fileset_init'
--- old/zsh-functions/confz_fileset_init	2022-06-22 22:22:24 +0000
+++ new/zsh-functions/confz_fileset_init	2021-01-15 18:05:22 +0000
@@ -228,10 +228,10 @@
 	fileset_stat $vars[filename] || \
 		die "fs_o: could not access file ${(qqq)vars[filename]}"
 
-	if [[ $vars[owner] =~ '^[0-9]+:[0-9]+$' ]]; then
+	if [[ $vars[owner] =~ '^[0-7]+:[0-7]+$' ]]; then
 		(( $fileset_stat_cur[uid] == ${${vars[owner]}%:*} && \
 			$fileset_stat_cur[gid] == ${${vars[owner]}#*:} ))
-	elif [[ $vars[owner] =~ '^[0-9]+$' ]]; then
+	elif [[ $vars[owner] =~ '^[0-7]+$' ]]; then
 		(( $fileset_stat_cur[uid] == ${${vars[owner]}%:*} ))
 	else
 		die "fs_o does not support non-numeric user/group: ${(qqq)vars[owner]}"