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/views/markers/internal/MarkerGroup.java
}
			mappings.removeAll(removeCollection);
			removeCollection.clear();
		}
	}
	/**
	 * Set entry and the default entry for the supplied markerType.
	 * 
	 * @param markerType
	 * @param entry
	 */
	public void setAsDefault(String markerType, MarkerGroupingEntry entry) {
		addEntry(markerType, new EntryMapping(entry));
	}
	/**
	 * Return whether or not there is a markerSupportReference for the
	 * markerContentGenerator keyed by id.
	 * 
	 * @param id
	 * @return boolean
	 */
	public boolean isGroupingFor(String id) {
		IConfigurationElement[] references = configurationElement
				.getChildren(MarkerSupportRegistry.MARKER_SUPPORT_REFERENCE);
		
		
		if (references.length == 0 && id.equals(PROBLEMS_CONTENTS))
			return true;
		for (int i = 0; i < references.length; i++) {