This is the borceux package of diagram macros.

Copyright 1993 Francis Borceux
You may freely use, modify, and/or distribute each of the files in this
package without limitation.  The package consists of the following files:

  README
  compatibility/OldDiagram
  compatibility/OldMaxiDiagram
  compatibility/OldMicroDiagram
  compatibility/OldMiniDiagram
  compatibility/OldMultipleArrows
  diagram/Diagram
  diagram/MaxiDiagram
  diagram/MicroDiagram
  diagram/MiniDiagram
  diagram/MultipleArrows
  user-guides/Diagram_Mode_d_Emploi
  user-guides/Diagram_Read_Me

Of course no support is guaranteed, but the author will attempt to
assist with problems.  Current email address:
francis dot borceux at uclouvain dot be.