Bug 172019 [Viewers] Plus sign doesn't disappear when using deferred content providers
3.3 M4 Use a tree viewer with a content provider using IDeferredWorkbenchAdapter and DeferredTreeContentManager. When fetchDeferredChildren is call and no elements are reported to the element collector the plus sign of the node doesn't disappear. This work without problems under Windows and Mac/OS (e.g. the plus sign disappears).
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
}
		return min;
	}
	/**
	 * Returns the index where the item should be inserted. It uses sorter to
	 * determine the correct position, if sorter is not assigned, returns the
	 * index of the element after the last.
	 * 
	 * @param parent
	 *            The parent widget
	 * @param sorter
	 *            The sorter to use.
	 * @param startIndex
	 *            the start index to start search for position from this allows
	 *            optimising search for multiple elements that are sorted
	 *            themself.
	 * @param element
	 *            element to find position for.
	 * @param currentSize
	 *            the current size of the collection
	 * @return the index to use when inserting the element.
	 * 
	 */
	/**
	 * Returns the index where the item should be inserted.
	 * 
	 * @param parent
	 *            The parent widget the element will be inserted into.
	 * @param element
	 *            The element to insert.