module Chart: sig end
The chart for a bottom-up MCFG chart parser. Chart items contain
a category and 2n states for some n > 0 (the arity of the category
the item represents).
Author(s): Daniel M. Albro
Version: $Revision$
Since 11/21/02 - [da]: Initial Creation.
type subitem = int array
An item on the chart, as presented to the user (sans cat)
class chart : int -> object end
Represents the chart for a chart parser.