1999-04-06  Miguel de Icaza  <miguel@nuclecu.unam.mx>

	* src/xml-io.c (createXmlSheet): New function.  Used in an initial
	pass over the XML file to load all of the Sheets defined there.
	(readXmlWorkbook): Now this does two passes at loading the sheet:
	the first pass creates the sheets, the second pass actually loads
	the contents.