On Dec 6, 3:27 am, Nobody <nob...@nowhere.com> wrote: > On Mon, 05 Dec 2011 16:23:55 +0000, Grant Edwards wrote: > >> Emitting "\b \b" is one very common way to do a destructive backspace. > >> Inelegant? Perhaps, but a common inelegance. > > > That's pretty much the only way I've seen it done for the past 25 > > years. > > ... before which, it was BS-DEL-BS. > > DEL being 127 means that it punches through all of the holes on the paper > tape, causing whatever was there previously to be replaced with a DEL > character. BS-SPC-BS would only punch through one of the holes.
*Wise Observer Speculates:* Why on earth are we "21st century slaves" to an archaic mid 20th century technology that punches holes in paper tape? Anyone? >>> isinstance(Progress, None) True -- http://mail.python.org/mailman/listinfo/python-list
