diff -r 961a8a3acb9a -r bb6990c0dd1a org/sonews/storage/Storage.java
--- a/org/sonews/storage/Storage.java	Mon Aug 17 11:00:51 2009 +0200
+++ b/org/sonews/storage/Storage.java	Thu Aug 20 14:31:19 2009 +0200
@@ -31,6 +31,11 @@
 public interface Storage
 {
 
+  /**
+   * Stores the given Article in the storage.
+   * @param art
+   * @throws StorageBackendException
+   */
   void addArticle(Article art)
     throws StorageBackendException;
 
@@ -93,7 +98,14 @@
   int getLastArticleNumber(Group group)
     throws StorageBackendException;
 
-  String getListForGroup(String groupname)
+  /**
+   * Returns a list of email addresses that are related to the given
+   * groupname. In most cases the list may contain only one entry.
+   * @param groupname
+   * @return
+   * @throws StorageBackendException
+   */
+  List<String> getListsForGroup(String groupname)
     throws StorageBackendException;
 
   String getOldestArticle()