1 files changed, 3 insertions, 2 deletions
diff --git a/src/examples/xb_ex_string.cpp b/src/examples/xb_ex_string.cpp
index 30fd74e..0cd7671 100755
--- a/src/examples/xb_ex_string.cpp
+++ b/src/examples/xb_ex_string.cpp
@@ -116,8 +116,9 @@ int main()
 
   std::cout << s3.Str() << std::endl;
 
-  s3 = 'A' + s1;
- 
+  // The following compiles and runs, but is not valid
+  // s3 = 'A' + s1;
+
   std::cout << std::endl << "== operator tests"  << std::endl;
   if( s1 == s2 )
     std::cout << s1.Str() << " == " << s2.Str() << std::endl;