Specify rakudo release slurp introduction (#1485)

nxadm · zoffixznet · commit 0c83985978f8 · 2017-09-01T15:09:01.000-04:00
diff --git a/doc/Type/IO/Handle.pod6 b/doc/Type/IO/Handle.pod6
@@ -623,6 +623,9 @@ return a L<Str>.
 
 If C<:$close> is set to C<True>, will close the handle when finished reading.
 
+B<Note:> On L<Rakudo|/language/glossary#Rakudo> this method was introduced
+with release 2017.04.
+
 =head2 method Supply
 
 Defined as:
