Index: /trunk/lib/Mungo.pm
===================================================================
--- /trunk/lib/Mungo.pm (revision 49)
+++ /trunk/lib/Mungo.pm (revision 51)
@@ -222,4 +222,5 @@
     $self = __PACKAGE__;
   }
+  my $preamble_class = $r->dir_config('MungoPreamble');
   # Short circuit if we can't find the file.
   return NOT_FOUND() if(! -r $r->filename);
@@ -229,8 +230,14 @@
   local $SIG{__DIE__} = \&Mungo::wrapErrorsInObjects;
   eval {
+    my $doit = Apache2::Const::DECLINED;
     $main::Request = $self->Request();
     $main::Response = $self->Response();
     $main::Server = $self->Server();
-    $self->Response()->Include($r->filename);
+    if($preamble_class) {
+      $doit = $preamble_class->handler($r, $self->Request(),
+                                       $self->Response(), $self->Server());
+    }
+    $self->Response()->Include($r->filename)
+      if($doit == Apache2::Const::DECLINED);
   };
   if($@) {