start.rkt
(module start mzscheme
  (require "tex2page.rkt"
           mzlib/cmdline)

  (command-line
   "tex2page"
   (current-command-line-arguments)
   [once-each
    [("--version") "Reports long help and version information"
     (tex2page "--version")]]
   [args file "Processes each <file>"
         (map tex2page file)]))