Is [AWorrkbookName] new or old syntax for VBA?

Is [AWorrkbookName] new or old syntax for VBA?

References

Reference NO 1

http://stackoverflow.com/questions/13587387/is-aworrkbookname-new-or-old-syntax-for-vba

Reference NO 2

http://www.rqna.net/qna/ykkin-creating-a-workspace-session-using-sas-iom-vba.html

Reference NO 3

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