- D7: Integrate with lucene_dym. lucene_dym is not available in D7 yet.
- D7: Integrate with fuzzysearch. Fuzzysearch is not available in D7 yet.
- D6: Apply OR to search engine keys
- Jump to search page for searches other than Core, Apache Solr, Lucene and Xapian should return 404.
- Fix duplication of message logic?
- Implement hook for custom search module integration?
- Handle #1253426 - Search 404 should use default search engine
