Index: /trunk/de.ugoe.cs.swe.exercises/src/de/ugoe/cs/swe/exercises/exercisesheet/ExerciseSheetPDFDialog.java
===================================================================
--- /trunk/de.ugoe.cs.swe.exercises/src/de/ugoe/cs/swe/exercises/exercisesheet/ExerciseSheetPDFDialog.java	(revision 8)
+++ /trunk/de.ugoe.cs.swe.exercises/src/de/ugoe/cs/swe/exercises/exercisesheet/ExerciseSheetPDFDialog.java	(revision 9)
@@ -1,7 +1,5 @@
 package de.ugoe.cs.swe.exercises.exercisesheet;
 
-import java.awt.Desktop;
 import java.io.File;
-import java.io.IOException;
 
 import org.eclipse.core.filesystem.EFS;
@@ -18,5 +16,4 @@
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
-
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;