add is_variable accessor.
[sgn.git] / lib / Bio / 
tree2e21fd7e4d7454b83741aa934abb4ca45bc4a4ff
drwxr-xr-x   ..
drwxr-xr-x - BLAST2
drwxr-xr-x - GeneticRelationships
drwxr-xr-x - SecreTary