我的自定义插件“breadcrumbs trail nav”（未在官方repo中托管）收到“可用更新”通知。问题是，a）没有可用的更新，b）它希望从yoast面包屑插件更新到任何版本。案例：本地安装。

My plugin header comment:

/*
Plugin Name:    Breadcrumbs Trail Nav.
Plugin URI:     https://github.com/franz-josef-kaiser
Description:    Offers the <code>whatever( $args );</code> template tag for a  semantically correct, seo-ready (well performing) breadcrumbs trail. All links are nofollow by default, but can be adjusted.
Author:         Franz Josef Kaiser
Author URI:     https://github.com/franz-josef-kaiser
Version:        0.2.1
License:        extended MIT/Expat license

(c) Copyright 2010-2011 - Franz Josef Kaiser
*/

Yoast plugin header comment:

/*
Plugin Name:  Yoast Breadcrumbs
Plugin URI:   http://yoast.com/wordpress/breadcrumbs/
Description:  Outputs a fully customizable breadcrumb path.
Version:      0.8.5
Author:       Joost de Valk
Author URI:   http://yoast.com/

Copyright (C) 2008-2010, Joost de Valk
*/