# Package org.eclipse.m2m.atl.adt.ui.viewsupport

Interface Summary
IProblemChangedListener: Can be added to a ProblemMarkerManager to get notified about problem marker changes.

Class Summary
AtlEditorTickErrorUpdater: The ATL editor markers updater.
ProblemMarkerManager: Listens to resource deltas and filters for marker changes of type IMarker.PROBLEM Viewers showing error ticks should register as listener to this type.