> first described in '83 for the Lisp Machine The Symbolics Lisp Machine Manual from 1984 documents the condition system for the Lisp OS written in Zetalisp:

> first described in '83 for the Lisp Machine The Symbolics Lisp Machine Manual from 1984 documents the condition system for the Lisp OS written in Zetalisp: http://bitsavers.org/pdf/symbolics/software/release_5/3B_Lisp_Language_Mar84.pdf http://bitsavers.org/pdf/symbolics/software/release_5/3B_Lis... See the chapter 'COND' in Volume 3B, 'Lisp Language'