The reason for CR/LF is that CR takes a while on a teletype, while LF is fast, so sending both allowed enough time for the paper/print head to be in the right place before printing the next char. If you sent LF/CR on a teletype instead of CR/LF, you could see right away the reason :-)
Didier PS: while writing this, I suddenly realized that it really dates me, doesn't it? > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Lux, James P > Sent: Thursday, January 01, 2009 10:10 AM > To: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] Lady Heather's Leap Log > > > > > On 12/31/08 6:06 PM, "Steve Rooke" <[email protected]> wrote: > > > 2009/1/1 Mark Sims <[email protected]>: > >> > >> Note that there is an error in the first column heading in Lady > >> Heather's Leap Log. It says UTC... should be GPS. The > three line > >> hour timestamp comment is correct (UTC). The distributed > version of > >> the program logged only time-of-week. I added the > HH:MM:SS yesterday > >> but messed up the column header (boy is Lady Heather gonna be mad > >> when She finds out). The random spacing is due to Billy Gates > >> Quality Control... he still can't figure out where to put > CRs and LFs in an email... > > > > Well, POSIX decided on LF, Mac on CR and Billy Boy decided to hedge > > his bets with both LF and CR. It's little wonder I always > get a lot of > > double spacing here then :-) > > > > Hardly microsoft's fault. Blame the teletype. Or perhaps DEC. > RT-11 stored CR/LF in files, and CP/M adopted that > convention, followed by DOS, etc. > I imagine RT-11 did CR/LF because > A) it allows use of unmodified KSR/ASR 33 TTYs without having > to worry if the user has the autoLF option > B) with ink on paper, the ability to do overprints (CR w/o > LF) is actually useful. Them newfangled CRT based terminals > can't do this (except for the Tek 401x series) > > > Jim > > > _______________________________________________ > time-nuts mailing list -- [email protected] To unsubscribe, > go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
