CTAN Update: diagxy
This is an upgrade to the diagxy macro package with only one significant change to make it work well with the \uncover (and similar macros) in the beamer package.
This package is located at http://mirror.ctan.org/macros/generic/diagrams/diagxy/ More information is at http://www.ctan.org/pkg/diagxy We are supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html .
Thanks for the upload. For the CTAN Team Petra Rübe-Pugliese
diagxy – Diagram macros by Michael Barr
Diagxy is a general diagramming package, useful for diagrams in a number of mathematical disciplines.
Diagxy is a development of an earlier (successful) package to use the facilities of the xypic bundle.