/**
* open a document in the root entry's list of entries
*
* @param documentName the name of the document to be opened
*
* @return a newly opened DocumentInputStream
*
* @exception IOException if the document does not exist or the
* name is that of a DirectoryEntry
*/
public DocumentInputStream CreateDocumentInputStream(string documentName)
{
return(Root.CreateDocumentInputStream(documentName));
}
