--- AnyEvent-MP/MP.pm	2012/03/09 17:05:26	1.130
+++ AnyEvent-MP/MP.pm	2012/03/10 20:34:11	1.132
@@ -400,15 +400,15 @@
 
 sub rcv($@);
 
-sub _kilme {
+my $KILME = sub {
    die "received message on port without callback";
-}
+};
 
 sub port(;&) {
    my $id = $UNIQ . ++$ID;
    my $port = "$NODE#$id";
 
-   rcv $port, shift || \&_kilme;
+   rcv $port, shift || $KILME;
 
    $port
 }
@@ -896,11 +896,16 @@
 =head1 DISTRIBUTED DATABASE
 
 AnyEvent::MP comes with a simple distributed database. The database will
-be mirrored asynchronously at all global nodes. Other nodes bind to one of
-the global nodes for their needs.
+be mirrored asynchronously on all global nodes. Other nodes bind to one
+of the global nodes for their needs. Every node has a "local database"
+which contains all the values that are set locally. All local databases
+are merged together to form the global database, which can be queried.
+
+The database structure is that of a two-level hash - the database hash
+contains hashes which contain values, similarly to a perl hash of hashes,
+i.e.:
 
-The database consists of a two-level hash - a hash contains a hash which
-contains values.
+  $DATABASE{$family}{$subkey} = $value
 
 The top level hash key is called "family", and the second-level hash key
 is called "subkey" or simply "key".
@@ -915,7 +920,7 @@
 The subkeys must be non-empty strings, with no further restrictions.
 
 The values should preferably be strings, but other perl scalars should
-work as well (such as undef, arrays and hashes).
+work as well (such as C<undef>, arrays and hashes).
 
 Every database entry is owned by one node - adding the same family/subkey
 combination on multiple nodes will not cause discomfort for AnyEvent::MP,
@@ -988,6 +993,9 @@
 respectively. If no keys have changed then the array reference might be
 C<undef> or even missing.
 
+If not called in void context, a guard object is returned that, when
+destroyed, stops the monitor.
+
 The family hash reference and the key arrays belong to AnyEvent::MP and
 B<must not be modified or stored> by the callback. When in doubt, make a
 copy.