Bug 30943 ${package_statement} should be called ${package_declaration} [code manipulation]
20030129 + latest ${package_statement} does not represent any statement but a declaration
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/wizards/NewTypeWizardPage.java
protected IStatus enclosingTypeChanged() {
		StatusInfo status= new StatusInfo();
		fCurrEnclosingType= null;
		
		IPackageFragmentRoot root= getPackageFragmentRoot();
		
		fEnclosingTypeDialogField.enableButton(root != null);
		if (root == null) {
			status.setError(""); 
			return status;
		}
		
		String enclName= getEnclosingTypeText();
		if (enclName.length() == 0) {
			status.setError(NewWizardMessages.getString("NewTypeWizardPage.error.EnclosingTypeEnterName")); 
			return status;
		}
		try {
			IType type= root.getJavaProject().findType(enclName);
			if (type == null) {
				status.setError(NewWizardMessages.getString("NewTypeWizardPage.error.EnclosingTypeNotExists")); 
				return status;
			}
			if (type.getCompilationUnit() == null) {
				status.setError(NewWizardMessages.getString("NewTypeWizardPage.error.EnclosingNotInCU")); 
				return status;
			}
			if (!JavaModelUtil.isEditable(type.getCompilationUnit())) {
				status.setError(NewWizardMessages.getString("NewTypeWizardPage.error.EnclosingNotEditable")); 
				return status;