Reading Usable Help
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Gordon R. Meyer
Latest info about Apple Help
Apple has released an all-new document for help authors who want to ensure their product fits-in on Mac OS X. The recently-released Apple Help Programming Guide replaces the old manual, which was called Providing User Assistance with Apple Help.
The new manual is up-to-date with the latest "Leopard" version of Mac OS X (v10.5) and provides details about previously-undocumented help features released in "Tiger" (Mac OS X v10.4). A free Apple Developer Connection membership is required to download the PDF.