Update CS for private helper classes

vicb · weaverryan · commit 061fa611a251 · 2012-02-08T00:19:45.000-06:00
diff --git a/contributing/code/standards.rst b/contributing/code/standards.rst
@@ -100,7 +100,9 @@ Structure
 
 * Use uppercase strings for constants with words separated with underscores;
 
-* Define one class per file;
+* Define one class per file - this does not apply to private helper classes
+  that are not intended to be instantiated from the outside and thus are not
+  concerned by the PSR-0 standard;
 
 * Declare class properties before methods;
 
