- * Note that the only this particular filename association is removed
- * from the database. If the same message (as determined by the
- * message ID) is still available via other filenames, then the
- * message will persist in the database for those filenames. When the
- * last filename is removed for a particular message, the database
- * content for that message will be entirely removed.
+ * Note that only this particular filename association is removed from
+ * the database. If the same message (as determined by the message ID)
+ * is still available via other filenames, then the message will
+ * persist in the database for those filenames. When the last filename
+ * is removed for a particular message, the database content for that
+ * message will be entirely removed.
+ *
+ * Return value:
+ *
+ * NOTMUCH_STATUS_SUCCESS: The last filename was removed and the
+ * message was removed from the database.
+ *
+ * NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID: This filename was removed but
+ * the message persists in the database with at least one other
+ * filename.