From: utzoo!decvax!harpo!utah-cs!utah-gr!thomas
Newsgroups: net.bugs.4bsd
Title: Re: C-shell and raw mode
Article-I.D.: utah-gr.514
Posted: Sun Aug  8 12:44:43 1982
Received: Mon Aug  9 06:21:59 1982
References: populi.269

The reason the csh doesn't do well with raw input is that any character
with the parity bit turned on is detected as an input error (at least
that was my analysis of the situation).
=Spencer