Bug 42690 Loading .importorder file fails when package prefix entry starts with an uppercase letter [code manipulation]
After saving my manually configured import order definition in the organize imports preferences page, I can't load it again ( Error Box: Not a valid import order file). The reason seems to be the existence of package prefix entrys which start with an uppercase letter.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/ImportOrganizePreferencePage.java
private static final Image PCK_ICON= JavaPluginImages.get(JavaPluginImages.IMG_OBJS_PACKAGE);
		public Image getImage(Object element) {
			return PCK_ICON;
		}
	}
	
	private class ImportOrganizeAdapter implements IListAdapter, IDialogFieldListener {
		private boolean canEdit(ListDialogField field) {
			return field.getSelectedElements().size() == 1;
		}
        public void customButtonPressed(ListDialogField field, int index) {
        	doButtonPressed(index);
        }
        public void selectionChanged(ListDialogField field) {
			fOrderListField.enableButton(1, canEdit(field));
        }
        public void dialogFieldChanged(DialogField field) {
        	if (field == fThresholdField) {
        		doThresholdChanged();
        	}
        }
        
        public void doubleClicked(ListDialogField field) {