Moving a single meeting request in a serie of recurring allday meeting requests in Android produces extra requests for invited user

[herbert-el]

1. Deleting a single event in a serie of recurring meetings in Android
   deletes the whole serie from the invited users.
   Actions:
   Generete a recurring meeting in Outlook
   Sync it in Android
   Delete a single meeting in android
   Sync it in Android.
   Symptoms:
   The whole Serie is deleted from the invited users.
   The times of the invitee are correct in Outlook.

2. Moving a single meeting in Android in a serie of all day meeting request generates a new meeting for the invited user
   and the original meeting remains also.
   Actions:
   Generate a recurring allday meeting in outlook.
   Sync it in Android.
   Move a single appointment in android to an other day.
   Sync it in Android
   Symptoms:
   All appointments for the invitee are correct.
   The invited users have the new termin, but the original termin is not deleted
   The problem is a wrong entry in the icalendar which is send via E-mail to the invited users.
   I could not find the place where the icalendar is generated.
   If anybody can tell me where the icalendar is generated I can try to fix this.