This directory contains the Xy-pic diagram drawing package; 

the latest Xy-pic release is contained in the xy/ subdirectory: 
* xy/README gives an overview of the included files, specifically 
* documentation can be found in the xy/doc/ subdirectory. 

In addition, 
* the xypapers directory includes some papers on Xy-pic and 
* the xysamples directory has examples of the use of Xy-pic. 

Xy-pic is (c) by its authors and licensed under the GPL. 
Full source code is available from http://sf.net/projects/xy-pic/.