Index: query/functions.html
===================================================================
--- query/functions.html	(revision 32986)
+++ query/functions.html	(revision 32987)
@@ -18,6 +18,17 @@
 	<p>
 	Return value: integer length of the list.
 
+	<h4 autotoc="yes"> coord(str) </h4>
+	<p>
+	Converts str to coordinates. Useful when using attribute values.
+	<p>
+	Arguments:
+	<ul>
+		<li> str is a string (number with units) or a numeric value (taken as nanometers)
+	</ul>
+	<p>
+	Return value: integer length of the list.
+
 	<h4 autotoc="yes"> mklist(args...) </h4>
 	<p>
 	Determine length of a list.