Index: 03_drawing.html
===================================================================
--- 03_drawing.html	(revision 2068)
+++ 03_drawing.html	(revision 2069)
@@ -276,6 +276,8 @@
 	<li> a ../A.key is an attribute value of the parent (concrete object) of the text object
 	<li> a ../p.key is a property value of the parent (abstract object) of the text object
 	<li> a ../a.key is an attribute value of the parent (abstract object) of the text object
+	<li> <i>filename</i> is substituted with the file name of the current sheet without path
+	<li> project.<i>field</i> is substituted with an implementation specific project file's named field (e.g. project.name)
 </ul>
 
 <p>{des3:76} Multiple ../ can be used to traverse the object tree up; the