Custom software for text and engineering applications.  Example projects:

• IPSV       rapid access to BOMs and documentation (Siemens Postal Automation)
• tdiff       diff XML files (Oxford English Dictionary)
• lem        match up bold/italic lemmas with quotes (Oxford English Dictionary)
• Hunter   full text search engine (Global Language Resources, HamletWorks)
• Custom text transduction of typesetting tapes to XML (American National Biography)