VSW release 4.1.1 is an unsupported general release of the X/Open Window Management Verification Suite. It consists of a tar file containing files which have been derived from two sources: 1. The MIT X test suite release 1.2. This is publicly available from MIT, and has been developed by MIT from release 1.1, which was produced by UniSoft under contract to MIT. This is a comprehensive Xlib and X Protocol test suite, including tests for chapters 2 to 10 of the MIT X11R4 Xlib specifications. These files contain MIT/UniSoft copyright notices. 2. The X/Open Window Management Additional Tests. These are tests for chapter 12 of the document: X/Open CAE Specification (1991) X/Open Window Management: Xlib - C Language Binding These files contain X/Open copyright notices. They have been developed by UniSoft under contract to X/Open. See the release notes and user guide.