updated for version 7.3.1004
Problem:    No error when option could not be set.
Solution:   Report an error. (ZyX)
diff --git a/src/testdir/test86.ok b/src/testdir/test86.ok
index d64fa7c..bc01816 100644
--- a/src/testdir/test86.ok
+++ b/src/testdir/test86.ok
@@ -166,6 +166,7 @@
   inv: -100! KeyError
   gopts1! KeyError
   p/wopts1: 8
+  inv: -100! error
   p/bopts1! KeyError
   inv: -100! KeyError
   bopts1! KeyError
@@ -184,6 +185,7 @@
   inv: 'abc'! KeyError
   gopts1! KeyError
   p/wopts1: ''
+  inv: 'abc'! error
   p/bopts1! KeyError
   inv: 'abc'! KeyError
   bopts1! KeyError