EXECUTE: open screen.css from kitchensink mobile.

EXECUTE: double click on #members.row in outline

asssert: screen.css editor higlights members.row

what happens: multiple errors + dialogs logged with:

java.lang.NullPointerException
at org.eclipse.wst.sse.ui.internal.contentoutline.ConfigurableContentOutlinePage$5.getShowInContext(ConfigurableContentOutlinePage.java:444)
at org.eclipse.ui.internal.services.WorkbenchSourceProvider.getContext(WorkbenchSourceProvider.java:418)
at org.eclipse.ui.internal.services.WorkbenchSourceProvider.updateActivePart(WorkbenchSourceProvider.java:484)
at org.eclipse.ui.internal.services.WorkbenchSourceProvider.updateActivePart(WorkbenchSourceProvider.java:445)
at org.eclipse.ui.internal.services.WorkbenchSourceProvider.getCurrentState(WorkbenchSourceProvider.java:134)
at org.eclipse.ui.internal.services.WorkbenchSourceProvider$6.handleEvent(WorkbenchSourceProvider.java:684)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1080)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4163)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1466)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1489)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1470)
at org.eclipse.swt.widgets.Shell.windowDidBecomeKey(Shell.java:2157)
at org.eclipse.swt.widgets.Display.windowProc(Display.java:5602)
at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:214)
at org.eclipse.swt.widgets.Widget.becomeKeyWindow(Widget.java:366)
at org.eclipse.swt.widgets.Shell.becomeKeyWindow(Shell.java:523)
at org.eclipse.swt.widgets.Display.windowProc(Display.java:5426)
at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method)
at org.eclipse.swt.internal.cocoa.NSWindow.close(NSWindow.java:54)
at org.eclipse.swt.widgets.Shell.destroyWidget(Shell.java:797)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1318)
at org.eclipse.swt.widgets.Control.release(Control.java:2848)
at org.eclipse.swt.widgets.Widget.dispose(Widget.java:671)
at org.eclipse.jface.window.Window.close(Window.java:336)
at org.eclipse.jface.dialogs.Dialog.close(Dialog.java:994)
at org.eclipse.ui.internal.statushandlers.InternalDialog.close(InternalDialog.java:710)
at org.eclipse.jface.dialogs.Dialog.okPressed(Dialog.java:955)
at org.eclipse.jface.dialogs.Dialog.buttonPressed(Dialog.java:476)
at org.eclipse.ui.internal.statushandlers.InternalDialog.buttonPressed(InternalDialog.java:190)
at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:628)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4164)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1466)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1489)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1474)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1279)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4010)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3649)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:138)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:610)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
at org.eclipse.equinox.launcher.Main.run(Main.java:1450)