If this parameter is omitted, then all documents searched will be matched. This provides a convenient way of listing all the documents available.
Any ".htx" extension on document names is ignored.
Note that the URLs used for hyper-links in this output list will be suitable only for local use by a WWW browser running on the same machine as the findme command. They may not be suitable, for instance, for embedding in an HTML document that will be interpreted by a remote WWW browser.
HTX Hypertext Cross-Reference Utilities