--- rxvt-unicode/src/perl/readline	2006/02/20 20:48:11	1.10
+++ rxvt-unicode/src/perl/readline	2011/11/20 11:09:22	1.11
@@ -24,7 +24,7 @@
 
    my $mask = $self->ModLevel3Mask | $self->ModMetaMask
             | urxvt::ShiftMask | urxvt::ControlMask;
-   
+
    ($event->{state} & $mask) == urxvt::ShiftMask
       or return;