AvalonStudio.TextEditor.Document.TextAnchorTree.DeleteMarkedNodes C# (CSharp) Method

		private void DeleteMarkedNodes()
		{
			CheckProperties();
			while (nodesToDelete.Count > 0)
			{
				var pos = nodesToDelete.Count - 1;
				var n = nodesToDelete[pos];
				// combine section of n with the following section
				var s = n.Successor;
				if (s != null)
				{
					s.length += n.length;
				}
				RemoveNode(n);
				if (s != null)
				{
					UpdateAugmentedData(s);
				}
				nodesToDelete.RemoveAt(pos);
				CheckProperties();
			}
			CheckProperties();
		}