1 files changed, 3 insertions, 0 deletions

diff --git a/libkcal/incidence.h b/libkcal/incidence.h
index c88ba2f..d4af9f0 100644
--- a/libkcal/incidence.h
+++ b/libkcal/incidence.h
@@ -272,31 +272,34 @@ class Incidence : public IncidenceBase
     void setHasRecurrenceID( bool b );
     
     void setRecurrenceID(QDateTime);
     QDateTime recurrenceID () const;
     QDateTime dtStart() const;
     bool isHoliday() const;
     bool isBirthday() const;
     bool isAnniversary() const;
+    QDateTime lastModifiedSub();
+    void setLastModifiedSubInvalid();
     
 
 protected:
     QPtrList<Alarm> mAlarms;
     QPtrList<Incidence> mRelations;
     QDateTime mRecurrenceID;
     bool mHasRecurrenceID;
   private:
     void checkCategories();
     bool mHoliday, mBirthday, mAnniversary;
     int mRevision;
     bool mCancelled;
 
     // base components of jounal, event and todo
     QDateTime mCreated;
+    QDateTime mLastModifiedSub;
     QString mDescription;
     QString mSummary;
     QStringList mCategories;
     Incidence *mRelatedTo;
     QString mRelatedToUid;
     DateList mExDates;
     QPtrList<Attachment> mAttachments;
     QStringList mResources;