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. -- http://mail.python.org/mailman/listinfo/python-list