Newsgroups: comp.binaries.ibm.pc.d Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!think.com!sdd.hp.com!news.cs.indiana.edu!ux1.cso.uiuc.edu!usenet From: mcdonald@aries.scs.uiuc.edu (Doug McDonald) Subject: Re: Why Freemacs uses the 8th bit. Message-ID: <1991Jun23.195524.27037@ux1.cso.uiuc.edu> Sender: usenet@ux1.cso.uiuc.edu (News) Organization: University of Illinois at Urbana References: <1991Jun23.174824.21869@rock.concert.net> <3287@krafla.rhi.hi.is> Date: Sun, 23 Jun 1991 19:55:24 GMT Lines: 15 In article <1991Jun23.174824.21869@rock.concert.net> boyd@cs.unca.edu (Mark Boyd) writes: >This discussion of why freemacs uses the 8th bit for meta characters >reminded me of the file size limit in MicroEmacs. On a IBM PC clone >with 550,000 bytes of memory available, MicroEmacs 3.10 will load about >200,000 characters. The executable takes about 150K of memory, so that >leaves about 400,000 bytes for the buffer. All of these numbers are >approximate, but they do show the dramatic effect of 16 bits per >character. > On my 8 megabyte PC, with about 6.3 free, MicroEmacs 3.10 will edit a 4.5 megabyte file. So it uses appreciably less than 2 bytes of storage per character. Doug McDonald