Bug 214649 [Markers] Allow markerAttributeGroupings and markerGroups to be specified within contentGenerators
With everything at the top level it is hard to see the relation to a contentGenerator and the groups and attribute groupings. These should be sub elements a la menus.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/MarkerContentGenerator.java
allFieldList.toArray(allFields);
		
		initialVisible = new MarkerField[initialVisibleList.size()];
		initialVisibleList.toArray(initialVisible);
	}
	/**
	 * Get the category name from the receiver.
	 */
	String getCategoryName() {
		return configurationElement
				.getAttribute(ATTRIBUTE_DEFAULT_MARKER_GROUPING);
	}
	/**
	 * Return the configuration elements for the receiver.
	 * 
	 * @return IConfigurationElement[]
	 */
	IConfigurationElement[] getFilterReferences() {
		return configurationElement
				.getChildren(ELEMENT_MARKER_FIELD_FILTER_GROUP);
	}
	/**
	 * Get the list of initially visible fields
	 * @return {@link MarkerField}[]
	 */
	MarkerField[] getInitialVisible() {
		return initialVisible;
	}
}