A9.com > OpenSearch > OpenSearch Query Syntax 1.0     http://opensearch.a9.com/spec/opensearchquerysyntax/1.0/     tags: search a9 api opensearch rss A9.com > OpenSearch > OpenSearch Description Document 1.0     http://opensearch.a9.com/spec/opensearchdescription/1.0/     tags: search a9 api opensearch rss A9.com > OpenSearch > OpenSearch RSS 1.0 Specification     http://opensearch.a9.com/spec/opensearchrss/1.0/     tags: search a9 api opensearch rss