Revise note about list operator flattening.

S07-glr-draft.pod

@@ -88,7 +88,7 @@ Flattening also occurs using the C<flat> contextualizer:
 Slurpy array parameters declared with a single C<*> marker lazily 
 flatten the arguments into the array.
 
-List operators such as reduce, cross, and zip flatten their arguments.
+In the pre-GLR, list operators such as reduce, cross, and zip flatten their arguments... not sure if that carries over to post-GLR.
 
 Conjecture:  An array constructor preceded by a colon flattens its
 interior contents.  Array constructors without the colon do not flatten