43_a_history_of_qed
According to George Coulouris , vi was based on ( or at least inspired by ) the em editor done at Queen Mary College in London .

%3 0043_0006__was was 0043_0002__George_0043_0003__Coulouris george_coulouris 0043_0006__was->0043_0002__George_0043_0003__Coulouris according_to[mod] 0043_0011__or or 0043_0006__was->0043_0011__or [scope] 0043_0007__based based 0043_0011__or->0043_0007__based [conj1] 0043_0013__inspired inspired 0043_0011__or->0043_0013__inspired [conj2] 0043_0005__vi vi 0043_0007__based->0043_0005__vi [arg1] 0043_0017__the_0043_0018__em_0043_0019__editor the_em_editor 0043_0007__based->0043_0017__the_0043_0018__em_0043_0019__editor on[clr] 0043_0013__inspired->0043_0005__vi [arg1] 0043_0013__inspired->0043_0017__the_0043_0018__em_0043_0019__editor by[mnr] 0043_0012__at_least at_least 0043_0013__inspired->0043_0012__at_least [mnr] 0043_0020__done done 0043_0020__done->0043_0017__the_0043_0018__em_0043_0019__editor [arg1] 0043_0024__College college 0043_0020__done->0043_0024__College at[loc] 0043_0022__Queen_0043_0023__Mary queen_mary 0043_0024__College->0043_0022__Queen_0043_0023__Mary [nlyr] 0043_0026__London london 0043_0024__College->0043_0026__London in
arc(r_0043_0006__was,r_0043_0002__George_r_0043_0003__Coulouris,r_0043_0001__According_to__mod).
arc(r_0043_0006__was,r_0043_0011__or,keep_scope).
arc(r_0043_0007__based,r_0043_0005__vi,arg1).
arc(r_0043_0007__based,r_0043_0017__the_r_0043_0018__em_r_0043_0019__editor,r_0043_0008__on__clr).
arc(r_0043_0011__or,r_0043_0007__based,conj1).
arc(r_0043_0011__or,r_0043_0013__inspired,conj2).
arc(r_0043_0013__inspired,r_0043_0005__vi,arg1).
arc(r_0043_0013__inspired,r_0043_0012__at_least,mnr).
arc(r_0043_0013__inspired,r_0043_0017__the_r_0043_0018__em_r_0043_0019__editor,r_0043_0014__by__mnr).
arc(r_0043_0020__done,r_0043_0017__the_r_0043_0018__em_r_0043_0019__editor,arg1).
arc(r_0043_0020__done,r_0043_0024__College,r_0043_0021__at__loc).
arc(r_0043_0024__College,r_0043_0022__Queen_r_0043_0023__Mary,nlyr).
arc(r_0043_0024__College,r_0043_0026__London,r_0043_0025__in).


IP-MAT PP-MOD P-ROLE According_to NP NPR George NPR Coulouris PUNC , NP-SBJ NPR vi BED;~cat_Ve_passive_ was IP-PPL-CAT NP-LGS * ILYR ILYR VVN;~phr_Vn.pr based PP-CLR P-ROLE on NP PRO _*_ PULB -LRB- CONJP CONJ or ILYR ADVP-MNR ADV at_least VVN;~Tn.pr inspired PP-MNR P-ROLE by NP PRO _*_ PURB -RRB- NP-EXT-DSC D the NPR em N editor IP-PPL NP-LGS * DON done PP-LOC P-ROLE at NP NLYR NPR Queen NPR Mary NPR College PP P-ROLE in NP NPR London PUNC .
( (IP-MAT (PP-MOD (P-ROLE According_to;{according_to})
                  (NP (NPR George;{George})
                      (NPR Coulouris;{Coulouris})))
          (PUNC ,)
          (NP-SBJ;{VI} (NPR vi;{vi}))
          (BED;~cat_Ve_passive_ was;{be})
          (IP-PPL-CAT (NP-LGS *)
                      (ILYR (ILYR (VVN;~phr_Vn.pr based;{base[on]})
                                  (PP-CLR (P-ROLE on;{on})
                                          (NP;{EM} (PRO _*_))))
                            (PULB -LRB-)
                            (CONJP (CONJ or;{or})
                                   (ILYR (ADVP-MNR (ADV at_least;{at_least}))
                                         (VVN;~Tn.pr inspired;{inspire})
                                         (PP-MNR (P-ROLE by;{by})
                                                 (NP;{EM} (PRO _*_)))))
                            (PURB -RRB-))
                      (NP-EXT-DSC;{EM} (D the;{the})
                                       (NPR em;{em})
                                       (N editor;{editor})
                                       (IP-PPL (NP-LGS *)
                                               (DON done;{do})
                                               (PP-LOC (P-ROLE at;{at})
                                                       (NP (NLYR (NPR Queen;{Queen})
                                                                 (NPR Mary;{Mary}))
                                                           (NPR College;{College})
                                                           (PP (P-ROLE in;{in})
                                                               (NP (NPR London;{London}))))))))
          (PUNC .))
  (ID 43_a_history_of_qed))