The package defines a tabular*-like tabulary environment, taking a ‘total width’ argument as well as the column specifications. It then defines column types L, C, R and J for variable width columns (\raggedright', \centering, \raggedleft, and normally justified). In contrast to tabularx's X columns, the width of each column is weighted according to the natural width of the widest cell in the column.

The author is David Carlisle. The package is Copyright © 1995,1996,2003,2008 David Carlisle.