Bug 221521 [Markers] New markers API needs to be pared down
We have too much API in some of the new classes and they can be moved to internals
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/MarkerDescriptionField.java
entry.getMarker().setAttribute(IMarker.MESSAGE, value);
			} catch (CoreException e) {
				Policy.handle(e);
			}
		}
	}
	/**
	 * Create a new instance of the receiver.
	 */
	public MarkerDescriptionField() {
		super();
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.internal.provisional.views.markers.MarkerField#compare(org.eclipse.ui.internal.provisional.views.markers.MarkerItem,
	 *      org.eclipse.ui.internal.provisional.views.markers.MarkerItem)
	 */
	public int compare(MarkerItem item1, MarkerItem item2) {
		return getDescriptionKey(item1).compareTo(getDescriptionKey(item2));
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.internal.provisional.views.markers.api.MarkerField#getDefaultColumnWidth(org.eclipse.swt.widgets.Control)
	 */
	public int getDefaultColumnWidth(Control control) {
		return 50 * getFontWidth(control);
	}
	/**