Implementation note about flattening/Slip.

S07-glr-draft.pod

@@ -59,6 +59,9 @@ array.
 
 =head2 Flattening contexts
 
+(Update 2015-06-22: Flattening behavior may be implemented internally 
+via a C<:flat> flag on C<Slip> objects, described below.)
+
 C<List> objects can have other container objects as elements.  
 In some contexts we want to interpolate the values of container 
 objects into the surrounding C<List>, while in other contexts we 
@@ -67,7 +70,7 @@ known as "flattening".
 
 The C<Iterable> type is performed by container and generator objects
 that will interpolate their values in flattening contexts.  C<List>,
-and C<Range> objects are C<Iterable>.
+C<Array>, and C<Range> objects are C<Iterable>.
 
 Flattening occurs when assigning or initializing an array: