Bug 71153 Is this a mistake in SourceActionDialog.java
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/dialogs/SourceActionDialog.java CVS Revision 1.24 from line 364 to 379 commentButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL)); ... ... GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL); gd.horizontalSpan= 2; commentButton.setLayoutData(gd); which constructs two GridData objects for commentButton.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/dialogs/SourceActionDialog.java
finalCheckboxButton.setEnabled(true);
		finalCheckboxButton.setSelection(isFinal());
		finalCheckboxButton.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent event) {
				visibilityChangeListener.modifierChanged(((Integer)event.widget.getData()).intValue(), ((Button) event.widget).getSelection());
			}
			public void widgetDefaultSelected(SelectionEvent event) {
				widgetSelected(event);
			}
		});	
			
		Button syncCheckboxButton= new Button(visibilityComposite, SWT.CHECK);
		syncCheckboxButton.setText(ActionMessages.getString("SourceActionDialog.modifier_synchronized")); 
		gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
		syncCheckboxButton.setLayoutData(gd);
		syncCheckboxButton.setData(new Integer(Modifier.SYNCHRONIZED));
		syncCheckboxButton.setEnabled(true);
		syncCheckboxButton.setSelection(isSynchronized());
		syncCheckboxButton.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent event) {
				visibilityChangeListener.modifierChanged(((Integer)event.widget.getData()).intValue(), ((Button) event.widget).getSelection());
			}
			public void widgetDefaultSelected(SelectionEvent event) {
				widgetSelected(event);
			}
		});	
		return visibilityComposite;			
	}	
			
	protected Composite createEntryPtCombo(Composite composite) {