To close a script window:
* Click the window's close box.
* Choose Close from the Edit menu (or press Command-W).
* Hold down Command-Option and click.
If you close a window in which you've made changes, HyperCard asks you if
you want to save the changes before it closes the window.
Shortcuts
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To close a script window without saving your changes, press
Command-period.
To close a script window and save your changes, press Enter.
This article is adapted from the Claris Tech Info database.