Bug 73769 [Dialogs] Open Resource dialog has OK enabled when entry invalid
3.0.1 RC2 - Ctrl+Shift+R - type: WorkbenchWino (note the missing d) and hit Enter - the dialog is dismissed with no action Should disable OK if there is no match.
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/dialogs/ResourceListSelectionDialog.java
* this is quicker than getting the entire resource.
     * 
     * @param resources resources that match
     */
    private void getMatchingResources(final ArrayList resources) {
        try {
            container.accept(new IResourceProxyVisitor() {
                public boolean visit(IResourceProxy proxy) {
                    
                    if (proxy.isDerived()) {
                        return false;
                    }
                    int type = proxy.getType();
                    if ((typeMask & type) != 0) {
                        if (match(proxy.getName())) {
                            IResource res = proxy.requestResource();
                            if (select(res)) {
                                resources.add(res);
                                return true;
                            } else {
                                return false;
                            }
                        }
                    }
                    if (type == IResource.FILE)
                        return false;
                    return true;
                }
            }, IResource.NONE);
        } catch (CoreException e) {