<a href="https://developer.mozilla.org/en/Creating_OpenSearch_plugins_for_Firefox">Make your own</a> at the <a href="https://developer.mozilla.org/">Mozilla Developer Center</a>
<a href="https://developer.mozilla.org/Creating_OpenSearch_plugins_for_Firefox">検索プラグインの作り方</a> を <a href="https://developer.mozilla.org/">Mozilla Developer Network</a> で学ぶ