diff --git a/kabc/plugins/file/resourcefile.cpp b/kabc/plugins/file/resourcefile.cpp
index c14f5852c..629669577 100644
--- a/kabc/plugins/file/resourcefile.cpp
+++ b/kabc/plugins/file/resourcefile.cpp
@@ -1,466 +1,478 @@
 /*
     This file is part of libkabc.
 
     Copyright (c) 2001,2003 Cornelius Schumacher <schumacher@kde.org>
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
 */
 
 #include "resourcefile.h"
 #include "resourcefileconfig.h"
 
 #include "kabc/formatfactory.h"
 #include "kabc/stdaddressbook.h"
 #include "kabc/lock.h"
 
 #include <kio/scheduler.h>
 #include <kconfiggroup.h>
 #include <kdebug.h>
 #include <klocale.h>
 #include <ksavefile.h>
 #include <kstandarddirs.h>
 #include <ktemporaryfile.h>
 
 #include <QtCore/QFile>
 #include <QtCore/QFileInfo>
 
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <signal.h>
 #include <unistd.h>
 
 using namespace KABC;
 
 typedef QList< QPair<QString, QString> > MissingEntryList;
 
 class ResourceFile::ResourceFilePrivate
 {
   public:
     QMap< QString, MissingEntryList > mMissingEntries;
 };
 
 ResourceFile::ResourceFile()
   : Resource(), mFormat( 0 ), mTempFile( 0 ),
     mAsynchronous( false ), d( new ResourceFilePrivate )
 {
   QString fileName, formatName;
 
   fileName = StdAddressBook::fileName();
   formatName = "vcard";
 
   init( fileName, formatName );
 }
 
 ResourceFile::ResourceFile( const KConfigGroup &group )
   : Resource( group ), mFormat( 0 ), mTempFile( 0 ),
     mAsynchronous( false ), d( new ResourceFilePrivate )
 {
   QString fileName, formatName;
 
   fileName = group.readPathEntry( "FileName", StdAddressBook::fileName() );
   formatName = group.readEntry( "FileFormat", "vcard" );
 
   init( fileName, formatName );
 }
 
 ResourceFile::ResourceFile( const QString &fileName,
                             const QString &formatName )
   : Resource(), mFormat( 0 ), mTempFile( 0 ),
     mAsynchronous( false ), d( new ResourceFilePrivate )
 {
   init( fileName, formatName );
 }
 
 void ResourceFile::init( const QString &fileName, const QString &formatName )
 {
   mFormatName = formatName;
 
   FormatFactory *factory = FormatFactory::self();
   mFormat = factory->format( mFormatName );
 
   if ( !mFormat ) {
     mFormatName = "vcard";
     mFormat = factory->format( mFormatName );
   }
 
   connect( &mDirWatch, SIGNAL( dirty(const QString&) ), SLOT( fileChanged(const QString&) ) );
   connect( &mDirWatch, SIGNAL( created(const QString&) ), SLOT( fileChanged(const QString&) ) );
   connect( &mDirWatch, SIGNAL( deleted(const QString&) ), SLOT( fileChanged(const QString&) ) );
 
   setFileName( fileName );
 
   mDirWatch.addFile( KStandardDirs::locateLocal( "data", "kabc/distlists" ) );
 
   mLock = 0;
 }
 
 ResourceFile::~ResourceFile()
 {
   delete d;
   d = 0;
   delete mFormat;
   mFormat = 0;
 }
 
 void ResourceFile::writeConfig( KConfigGroup &group )
 {
   Resource::writeConfig( group );
 
   if ( mFileName == StdAddressBook::fileName() ) {
     group.deleteEntry( "FileName" );
   } else {
     group.writePathEntry( "FileName", mFileName );
   }
 
   group.writeEntry( "FileFormat", mFormatName );
 }
 
 Ticket *ResourceFile::requestSaveTicket()
 {
   kDebug();
 
   if ( !addressBook() ) {
     return 0;
   }
 
   delete mLock;
   mLock = new Lock( mFileName );
 
   if ( mLock->lock() ) {
     addressBook()->emitAddressBookLocked();
   } else {
     addressBook()->error( mLock->error() );
     kDebug() << "Unable to lock file '" << mFileName
              << "':" << mLock->error();
     return 0;
   }
 
   return createTicket( this );
 }
 
 void ResourceFile::releaseSaveTicket( Ticket *ticket )
 {
   delete ticket;
 
   delete mLock;
   mLock = 0;
 
   addressBook()->emitAddressBookUnlocked();
 }
 
 bool ResourceFile::doOpen()
 {
   QFile file( mFileName );
 
   if ( !file.exists() ) {
     // try to create the file
     bool ok = file.open( QIODevice::WriteOnly );
     if ( ok ) {
       file.close();
     }
     return ok;
   } else {
     QFileInfo fileInfo( mFileName );
     if ( readOnly() || !fileInfo.isWritable() ) {
       if ( !file.open( QIODevice::ReadOnly ) ) {
         return false;
       }
     } else {
       if ( !file.open( QIODevice::ReadWrite ) ) {
         return false;
       }
     }
 
     if ( file.size() == 0 ) {
       file.close();
       return true;
     }
 
     bool ok = mFormat->checkFormat( &file );
     file.close();
 
     return ok;
   }
 }
 
 void ResourceFile::doClose()
 {
 }
 
 bool ResourceFile::load()
 {
   kDebug() << mFileName << "'";
 
   mAsynchronous = false;
 
   QFile file( mFileName );
   if ( !file.open( QIODevice::ReadOnly ) ) {
     addressBook()->error( i18n( "Unable to open file '%1'.", mFileName ) );
     return false;
   }
 
   if ( !clearAndLoad( &file ) ) {
       addressBook()->error( i18n( "Problems during parsing file '%1'.", mFileName ) );
     return false;
   }
 
   return true;
 }
 
 bool ResourceFile::clearAndLoad( QFile *file )
 {
   clear();
 
   bool addresseesOk = mFormat->loadAll( addressBook(), this, file );
 
   bool listsOk = loadDistributionLists();
 
   return addresseesOk && listsOk;
 }
 
 bool ResourceFile::asyncLoad()
 {
   mAsynchronous = true;
 
   load();
 
   QTimer::singleShot( 0, this, SLOT( emitLoadingFinished() ) );
 
   return true;
 }
 
 bool ResourceFile::save( Ticket *ticket )
 {
   Q_UNUSED( ticket );
   kDebug();
 
   // create backup file
   QString extension = '_' + QString::number( QDate::currentDate().dayOfWeek() );
   (void) KSaveFile::simpleBackupFile( mFileName, QString(), extension );
 
   mDirWatch.stopScan();
 
   KSaveFile saveFile( mFileName );
   bool ok = false;
 
   if ( saveFile.open() ) {
     saveToFile( &saveFile );
     ok = saveFile.finalize();
   }
 
   if ( !ok ) {
     addressBook()->error( i18n( "Unable to save file '%1'.", mFileName ) );
   }
 
   mDirWatch.startScan();
 
   return ok;
 }
 
 bool ResourceFile::asyncSave( Ticket *ticket )
 {
   kDebug();
 
   save( ticket );
 
   QTimer::singleShot( 0, this, SLOT( emitSavingFinished() ) );
 
   return true;
 }
 
 void ResourceFile::emitLoadingFinished()
 {
   emit loadingFinished( this );
 }
 
 void ResourceFile::emitSavingFinished()
 {
   emit savingFinished( this );
 }
 
 bool ResourceFile::loadDistributionLists()
 {
   KConfig cfg( KStandardDirs::locateLocal( "data", "kabc/distlists" ) );
 
   KConfigGroup cg( &cfg, "DistributionLists" );
+  KConfigGroup cgId( &cfg, "DistributionLists-Identifiers" );
   const QStringList entryList = cg.keyList();
 
   d->mMissingEntries.clear();
 
   QStringList::ConstIterator it;
   for ( it = entryList.constBegin(); it != entryList.constEnd(); ++it ) {
     const QString name = *it;
     const QStringList value = cg.readEntry( name, QStringList() );
 
     kDebug() << name << ":" << value.join( "," );
 
-    DistributionList *list = new DistributionList( this, name );
+    DistributionList *list = 0;
+    if ( cgId.isValid() ) {
+      const QString identifier = cgId.readEntry( name, QString() );
+      if ( !identifier.isEmpty() )
+        list = new DistributionList( this, identifier, name );
+    }
+
+    if ( list == 0 )
+        list = new DistributionList( this, name );
 
     MissingEntryList missingEntries;
     QStringList::ConstIterator entryIt = value.constBegin();
     while ( entryIt != value.constEnd() ) {
       QString id = *entryIt++;
       QString email = entryIt != value.constEnd() ? *entryIt : QString();
       if ( email.isEmpty() && !email.isNull() ) {
         email = QString();
       }
 
       kDebug() << "----- Entry" << id;
 
       Addressee a = addressBook()->findByUid( id );
       if ( !a.isEmpty() ) {
         list->insertEntry( a, email );
       } else {
         missingEntries.append( qMakePair( id, email ) );
       }
 
       if ( entryIt == value.constEnd() ) {
         break;
       }
       ++entryIt;
     }
 
     d->mMissingEntries.insert( name, missingEntries );
   }
 
   return true;
 }
 
 void ResourceFile::saveDistributionLists()
 {
   kDebug();
 
   KConfig cfg( KStandardDirs::locateLocal( "data", "kabc/distlists" ) );
   KConfigGroup cg( &cfg, "DistributionLists" );
   cg.deleteGroup();
+  KConfigGroup cgId( &cfg, "DistributionLists-Identifiers" );
+  cgId.deleteGroup();
 
   QMapIterator<QString, DistributionList*> it( mDistListMap );
   while ( it.hasNext() ) {
     DistributionList *list = it.next().value();
     kDebug() << "  Saving '" << list->name() << "'";
 
     QStringList value;
     const DistributionList::Entry::List entries = list->entries();
     DistributionList::Entry::List::ConstIterator it;
     for ( it = entries.begin(); it != entries.end(); ++it ) {
       value.append( (*it).addressee().uid() );
       value.append( (*it).email() );
     }
 
     if ( d->mMissingEntries.find( list->name() ) != d->mMissingEntries.end() ) {
       const MissingEntryList missList = d->mMissingEntries[ list->name() ];
       MissingEntryList::ConstIterator missIt;
       for ( missIt = missList.begin(); missIt != missList.end(); ++missIt ) {
         value.append( (*missIt).first );
         value.append( (*missIt).second );
       }
     }
 
     cg.writeEntry( list->name(), value );
+    cgId.writeEntry( list->name(), list->identifier() );
   }
 
-  cg.sync();
+  cfg.sync();
 }
 
 void ResourceFile::saveToFile( QFile *file )
 {
   mFormat->saveAll( addressBook(), this, file );
 
   saveDistributionLists();
 }
 
 void ResourceFile::setFileName( const QString &fileName )
 {
   mDirWatch.stopScan();
   if ( mDirWatch.contains( mFileName ) ) {
     mDirWatch.removeFile( mFileName );
   }
 
   mFileName = fileName;
 
   mDirWatch.addFile( mFileName );
   mDirWatch.startScan();
 }
 
 QString ResourceFile::fileName() const
 {
   return mFileName;
 }
 
 void ResourceFile::setFormat( const QString &format )
 {
   mFormatName = format;
   delete mFormat;
 
   FormatFactory *factory = FormatFactory::self();
   mFormat = factory->format( mFormatName );
 }
 
 QString ResourceFile::format() const
 {
   return mFormatName;
 }
 
 void ResourceFile::fileChanged( const QString &path )
 {
   kDebug() << path;
 
   if ( !addressBook() ) {
     return;
   }
 
   if ( path == KStandardDirs::locateLocal( "data", "kabc/distlists" ) ) {
     // clear old distribution lists
     // take a copy of mDistListMap, then clear it and finally qDeleteAll
     // the copy to avoid problems with removeDistributionList() called by
     // ~DistributionList().
     DistributionListMap tempDistListMap( mDistListMap );
     mDistListMap.clear();
     qDeleteAll( tempDistListMap );
 
     loadDistributionLists();
 
     kDebug() << "addressBookChanged()";
     addressBook()->emitAddressBookChanged();
 
     return;
   }
 
 //  clear(); // moved to clearAndLoad()
   if ( mAsynchronous ) {
     asyncLoad();
   } else {
     load();
     kDebug() << "addressBookChanged()";
     addressBook()->emitAddressBookChanged();
   }
 }
 
 void ResourceFile::removeAddressee( const Addressee &addr )
 {
   QFile::remove(
     QFile::encodeName( KStandardDirs::locateLocal( "data", "kabc/photos/" ) + addr.uid() ) );
 
   QFile::remove(
     QFile::encodeName( KStandardDirs::locateLocal( "data", "kabc/logos/" ) + addr.uid() ) );
 
   QFile::remove(
     QFile::encodeName( KStandardDirs::locateLocal( "data", "kabc/sounds/" ) + addr.uid() ) );
 
   mAddrMap.remove( addr.uid() );
 }
 
 #include "resourcefile.moc"