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Technical Notes: Legacy Technologies
As Cocoa and Mac OS X evolve, the APIs and technologies they encompass change to meet the needs of users and developers. As part of this evolution, less efficient features, interfaces, and programming techniques are deprecated or retired in favor of newer ones. Apple makes these changes only when deemed absolutely necessary. A technology identified in the ADC Reference Library as deprecated has been superseded and may become unsupported in the future. A technology identified as unsupported is no longer available from Apple for use by developers. Legacy documents help developers understand legacy technologies, identify replacements, and update their products to run on current Apple platforms.

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Interrupts in Need of (a Good) Time (HTML) (PDF)
TN1033.
Unsupported 1996-02-01
PBShare, PBUnshare, and PBGetUGEntry (HTML) (PDF)
FL28.
Unsupported 1991-10-01
Apple Event Manager Q&As (HTML) (PDF)
IC505.
Unsupported 1990-10-01
ISO 9660 (& High Sierra) CD-ROM Format (HTML) (PDF)
FL25.
Unsupported 1988-08-01
Creating Files Inside an AppleShare Drop Folder (HTML) (PDF)
FL18.
Unsupported 1987-08-01