Bug 13620 The Java Source Attachment Preference Page has text with large amount of white space
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/SourceAttachmentPropertyPage.java
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.ui.dialogs.PropertyPage;
import org.eclipse.ui.help.DialogPageContextComputer;
import org.eclipse.ui.help.WorkbenchHelp;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.JavaUIMessages;
import org.eclipse.jdt.internal.ui.dialogs.StatusUtil;
import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
import org.eclipse.jdt.internal.corext.util.JavaModelUtil;
import org.eclipse.jdt.internal.ui.wizards.IStatusChangeListener;
import org.eclipse.jdt.internal.ui.wizards.buildpaths.SourceAttachmentBlock;
/**
 * Property page to configure a archive's JARs source attachment
 */
public class SourceAttachmentPropertyPage extends PropertyPage implements IStatusChangeListener {
	private SourceAttachmentBlock fSourceAttachmentBlock;
	private IPackageFragmentRoot fJarRoot;
	public SourceAttachmentPropertyPage() {
	}
	
	/*
	 * @see PreferencePage#createContents
	 */