Reserved Resource Types
Revised: March 1988
Written by: Scott Knaster May 1985
Your applications and desk accessories can create their own resource types. To avoid using type names which have been or will be used in the system, Apple has reserved all resource type names which consist entirely of spaces ($20), lower-case letters ($61 through $7A), and "international" characters (greater than $7F).
In addition Apple has reserved a number of resource types which contain upper-case letters and the "#" character. For a list of these resource types, see The Resource Manager Chapter of Inside Macintosh (starting with Volume V).
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