Tab stays modified after undo
If all modifications are undone, the tab should be set to unmodified (disable save action), so that the user knows that he has undone everything.
(from redmine: issue id 1029, created on 2012-05-23 by Tobias.Winchen)
Aufgrund einer Wartung am 14.05 von 8:00 bis 09:00 Uhr wird das System kurzfristig nicht zur Verfügung stehen. -- Due to maintenance on May the 14th from 8:00 am to 09:00 am the system will temporarily not be available.
If all modifications are undone, the tab should be set to unmodified (disable save action), so that the user knows that he has undone everything.
(from redmine: issue id 1029, created on 2012-05-23 by Tobias.Winchen)