1 files changed, 4 insertions, 1 deletions

diff --git a/libkcal/incidencebase.cpp b/libkcal/incidencebase.cpp
index b36dc1a..9aa517c 100644
--- a/libkcal/incidencebase.cpp
+++ b/libkcal/incidencebase.cpp
@@ -308,97 +308,100 @@ int IncidenceBase::duration() const
 {
   return mDuration;
 }
 
 void IncidenceBase::setHasDuration(bool b)
 {
   mHasDuration = b;
 }
 
 bool IncidenceBase::hasDuration() const
 {
   return mHasDuration;
 }
 
 void IncidenceBase::setSyncStatus(int stat)
 {
   if (mReadOnly) return;
   mSyncStatus = stat;
 }
 
 int IncidenceBase::syncStatus() const
 {
   return mSyncStatus;
 }
 
 void IncidenceBase::setPilotId( int id )
 {
   if (mReadOnly) return;
   mPilotId = id;
 }
 
 int IncidenceBase::pilotId() const
 {
   return mPilotId;
 }
 
 int IncidenceBase::tempSyncStat() const
 {
   return mTempSyncStat;
 }
 void IncidenceBase::setTempSyncStat( int id )
 {
   if (mReadOnly) return;
   mTempSyncStat = id;
 }
 
 void IncidenceBase::removeID(const QString &prof)
 {
-    mExternalId = KIdManager::removeId ( mExternalId, prof);
+    if ( prof.isEmpty() )
+        mExternalId = ":";
+    else
+        mExternalId = KIdManager::removeId ( mExternalId, prof);
 
 }
 void IncidenceBase::setID( const QString & prof , const QString & id )
 {
     mExternalId = KIdManager::setId ( mExternalId, prof, id );
 }
 QString IncidenceBase::getID( const QString &  prof)
 {
     return KIdManager::getId ( mExternalId, prof ); 
 }
 
 // example  :Sharp_DTM;22;23566:TP;-1;8654:TPP;18;0:
 // format name;III;JJJ:  III >= 0, may be -1.  JJJ always >= 0  
 void IncidenceBase::setCsum( const QString & prof , const QString & id )
 {
     mExternalId = KIdManager::setCsum ( mExternalId, prof, id );
 }
 QString IncidenceBase::getCsum( const QString &  prof)
 {
     return KIdManager::getCsum ( mExternalId, prof ); 
 }
 
 void IncidenceBase::setIDStr( const QString & s )
 {
   if (mReadOnly) return;
   mExternalId = s;
 }
 
 QString IncidenceBase::IDStr() const
 {
     return mExternalId ;
 }
 void IncidenceBase::registerObserver( IncidenceBase::Observer *observer )
 {
   if( !mObservers.contains(observer) ) mObservers.append( observer );
 }
 
 void IncidenceBase::unRegisterObserver( IncidenceBase::Observer *observer )
 {
   mObservers.remove( observer );
 }
 
 void IncidenceBase::updated()
 {
   QPtrListIterator<Observer> it(mObservers);
   while( it.current() ) {
     Observer *o = it.current();
     ++it;