Qed

HomePage | Recent changes | View source | Discuss this page | Page history | Log in |

Printable version | Disclaimers | Privacy policy

QED is a computer text editor.

Originally written by Butler Lampson and Peter Deutsch for the SDS 940 (in the 1960s?). Ken Thompson later wrote a version for CTSS; this version was notable for introducing regular expressions. QED influenced the classic UNIX text editor ed and the less well known sam.

History of QED

http://cm.bell-labs.com/cm/cs/who/dmr/qed.html

See also: Q.E.D.

QED is also a (sort of) widely used abbreviation of quantum electrodynamics