From: utzoo!decvax!ucbvax!C70:editor-people Newsgroups: fa.editor-p Title: Re: Editor Flame Article-I.D.: ucb.1232 Posted: Tue Jun 1 13:34:27 1982 Received: Wed Jun 2 03:00:45 1982 >From Greenberg.Symbolics@MIT-MULTICS Tue Jun 1 13:05:00 1982 Echo negotiation as designed and implemented on Multics resends a bitmap of what of 128 characters are breaks at the first call to echo-negotiatedly read after rebindings have been done. Thus, switching buffers and modes back and forth in an extension does not cause this to happen until it is time to actually read. There is no more expense involved with making "A" a break character than Carriage Return. EVEN THE LISP-LEVEL EXTENSION WRITER is not aware, and need not be, of echo-negotiation.