return category;
final IProject project = manager.getTagRegistryIdentifier().getProject();
final ITaglibDomainMetaDataModelContext modelContext = TaglibDomainMetaDataQueryHelper
.createMetaDataModelContext(project, ns.getNSUri());
final Model model = TaglibDomainMetaDataQueryHelper.getModel(modelContext);
category = createTaglibPaletteDrawer(manager, ns, model);
if (category != null) {
loadTags(category, ns, model);
sortTags(category.getChildren());