SHEF Manual - WordPerfect Format
The SHEF Manual is a WordPerfect file and must be viewed with
an application that has the ability to read such files.
You need to use a browser that can launch an application (such
as WordPerfect) to display the files.
Use your browser's Options/Preferences feature to select the mime
Set it to start the application (such as WordPerfect) when the
browser encounters a file with the wpd extension.