minor change to separate output notes

Based on 4acd2ad#commitcomment-167222550

Author: coke

doc/Language/operators.rakudoc

@@ -3433,10 +3433,13 @@ L<C<Failure>|/type/Failure>s are never defined, so you can handle them with
 this operator).
 
     "does this match?" ~~ /this/ andthen {
-        $_.say # Using explicit $_ here only for clarity, .say works too
-    }
-    "does that match?" ~~ /this/ andthen say 'oops';
-    # OUTPUT: «this␤»
+        .put;
+        my $thing-to-do-if-match-succeeds;
+        ...
+    } # OUTPUT: «this␤»
+
+    "does that match?" ~~ /this/ andthen put 'oops';
+    # NO OUTPUT
 
 The C<andthen> operator is a close relative of the L«C<with> statement
 modifier|/language/control#with_orwith_without», and some compilers