ds-xml-writing.md

@@ -5,6 +5,12 @@ drills to
 
 gdsdataum.cc:2201 fsave()
 In turn calls fwriteXML up to 6 times!? 
+I think some of this is out of date, since the code mentions binary alignment, but the files do not have binary values, only base64 encoding is used.
 
 fwriteXML()@gdsdataum.cc:1529
 
+
+The meat of the XML translation is in the ```<<``` operator of gdsDataObject defined (I tihink) in 
+
+gdsdataum.cc:1371
+