Bug 303831 Warnings logged when trying to merge changes to an MPart's 'closeable' attribute
Warnings are printed out to syserr. --- WARNING: Unknown feature found, reconciliation may fail: Part#closeable
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/workbench/ui/internal/XMLModelReconciler.java
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import java.util.Map.Entry;
import javax.xml.parsers.DocumentBuilderFactory;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.e4.ui.model.application.ItemType;
import org.eclipse.e4.ui.model.application.MApplication;
import org.eclipse.e4.ui.model.application.MApplicationElement;
import org.eclipse.e4.ui.model.application.MApplicationFactory;
import org.eclipse.e4.ui.model.application.MApplicationPackage;
import org.eclipse.e4.ui.model.application.MBindingContainer;
import org.eclipse.e4.ui.model.application.MCommand;
import org.eclipse.e4.ui.model.application.MDirectMenuItem;
import org.eclipse.e4.ui.model.application.MDirectToolItem;
import org.eclipse.e4.ui.model.application.MElementContainer;
import org.eclipse.e4.ui.model.application.MHandledMenuItem;
import org.eclipse.e4.ui.model.application.MHandledToolItem;
import org.eclipse.e4.ui.model.application.MHandler;
import org.eclipse.e4.ui.model.application.MHandlerContainer;
import org.eclipse.e4.ui.model.application.MKeyBinding;
import org.eclipse.e4.ui.model.application.MMenu;
import org.eclipse.e4.ui.model.application.MMenuItem;
import org.eclipse.e4.ui.model.application.MPart;
import org.eclipse.e4.ui.model.application.MPartDescriptor;
import org.eclipse.e4.ui.model.application.MPartDescriptorContainer;