# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1341183490 -7200
# Node ID f2ee197956f746a5b272c105a70f288a4d4796ee
# Parent  72176cb0fe2482e5c02c92c724d9a3f25dc16788
Added minor documentation adjustments.

diff -r 72176cb0fe24 -r f2ee197956f7 docs/concepts.txt
--- a/docs/concepts.txt	Sun Jul 01 23:52:59 2012 +0200
+++ b/docs/concepts.txt	Mon Jul 02 00:58:10 2012 +0200
@@ -4,6 +4,7 @@
 This document describes the underlying concepts employed in micropython.
 
   * Namespaces and attribute definition
+  * Attribute usage observations
   * Contexts and values
   * Tables, attributes and lookups
   * Objects and structures
diff -r 72176cb0fe24 -r f2ee197956f7 micropython/__init__.py
--- a/micropython/__init__.py	Sun Jul 01 23:52:59 2012 +0200
+++ b/micropython/__init__.py	Mon Jul 02 00:58:10 2012 +0200
@@ -534,8 +534,15 @@
             self.name_references[from_name] = set()
 
         attrnames = ObjectSet([name])
+
+        # Note the assignment in association with the given attribute name.
+
         if value is not None:
             attrnames[name].add(value)
+
+        # Only a single set of usage is recorded here, but other situations
+        # may involve multiple usage observations.
+
         usage = (attrnames,)
         self.name_references[from_name].add((None, None, usage))