if (JavaConventions.validateCompilationUnitName(fNewName).getSeverity() == IStatus.ERROR)
if (JavaConventions.validateCompilationUnitName(getNewCuName()).getSeverity() == IStatus.ERROR)
	public Object getNewElement(){		IJavaElement parent= fCu.getParent();		if (parent.getElementType() != IJavaElement.PACKAGE_FRAGMENT)			return fCu; //??		IPackageFragment pack= (IPackageFragment)parent;		if (JavaConventions.validateCompilationUnitName(fNewName).getSeverity() == IStatus.ERROR)			return fCu; //??		return pack.getCompilationUnit(fNewName);	}