Date: Thu, 14 Mar 1996 09:58:58 +0100 (MET) From: J Wunsch <j@uriah.heep.sax.de> To: freebsd-hackers@freebsd.org (FreeBSD hackers) Subject: Re: using ddb to debug a double-panic? Message-ID: <199603140858.JAA00855@uriah.heep.sax.de> In-Reply-To: <199603140733.IAA22979@nixpbe.pdb.sni.de> from "Greg Lehey" at Mar 14, 96 08:30:16 am
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As Greg Lehey wrote: > > Alt-D is ``ESC D'', right? > > No, it's M-D. You can usually simulate it with ESC-D, but it's not > the same thing. Emacs on serial terminals used to accept a character > with bit 7 set as M-<character>, and that's what it did (I think, I'm > on thin ice here) with the ESC prefix. Nowadays, with an X interface, > it handles things differently. Even without X11, it depends on the ``input-mode'' how it interprets bit 7. Interpreting it as `Meta' prevents one from using an 8-bit characterset. > > Huh? The console can run on a (not known to DDB) serial terminal! > > Yes, I acknowledged this elsewhere. I still think that this would be > the exception, though. Nope. Only weird people use DDB. Only weird people use serial consoles. As long as the fallback to something like ^P and ^N is there, it wouldn't hurt either to assume the serial console to be ANSI-compliant (i.e., the arrow keys generate ESC [ A...D or ESC O A...D). -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)
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