Ever want to be able to edit the .ZZT files that come with ZZT?
Learn better ways to use the built-in OOP language by examining the
authors objects? All you need is a hex editor:

    Load the desired .ZZT file into your hex editor.
    Search for SECRET and change the (06 hex) to a NULL (00 hex).
    Conversely, adding a before the SECRET in your own .ZZT files
    will make them uneditable.