Hello - Has anyone ever written a javacc lexer / parser for Genbank (or any of the other major formats?). - Mark Mark Schreiber Research Investigator (Bioinformatics) Novartis Institute for Tropical Diseases (NITD) 10 Biopolis Road #05-01 Chromos Singapore 138670 www.nitd.novartis.com phone +65 6722 2973 fax +65 6722 2910