diff --git a/Test/D04parameter.ztst b/Test/D04parameter.ztst
index fba95cc..f1f054d 100644
--- a/Test/D04parameter.ztst
+++ b/Test/D04parameter.ztst
@@ -640,6 +640,12 @@
 >echo
 >$(|||) bar
 
+  foo=$'\x06ZUI\x1f text-field example: \x1azuitfieldtfield1_1\x1a\'\'\x1a\'\'\x1a1\x1aZUI\\[my_tfield1_width\\]\x1aZUI\\[my_tfield1_start\\]\x1aZUI\\[my_tfield1_data\\]\x1c'
+  echo -E "$foo" > ~/output3
+  print "${#${(z@)foo}}"
+0:Test real-world data that once seemed to fail
+>4
+
   psvar=(dog)
   setopt promptsubst
   foo='It shouldn'\''t $(happen) to a %1v.'