This package provides the source of in its form immediately prior to compilation into a format. When LaTeX 2e first appeared, this was a significant support to users (since unpacking used on some machines to take a very long time); the world has moved on since then, but there is some residual value to the distribution.

The authors are The LaTeX Team and Leslie Lamport. The package is Copyright © 1993-2009 The LaTeX3 Project.