47_a_history_of_qed
The current local state of the QED line of descent is exemplified by sam, by Rob Pike (see his “The Text Editor sam,” in Software -- Practice and Experience 17 <num> 11, Nov. 1987).

0047_0001__The_0047_0004__state the_state 0047_0002__current current 0047_0001__The_0047_0004__state->0047_0002__current [attrib] 0047_0003__local local 0047_0001__The_0047_0004__state->0047_0003__local [attrib] 0047_0006__the_0047_0007__QED_0047_0008__line the_qed_line 0047_0001__The_0047_0004__state->0047_0006__the_0047_0007__QED_0047_0008__line of 0047_0010__descent descent 0047_0006__the_0047_0007__QED_0047_0008__line->0047_0010__descent of 0047_0011__is is 0047_0012__exemplified exemplified 0047_0011__is->0047_0012__exemplified [scope] 0047_0020__see see 0047_0011__is->0047_0020__see [prn] 0047_0012__exemplified->0047_0001__The_0047_0004__state [arg1] 0047_0014__sam sam 0047_0012__exemplified->0047_0014__sam by[arg0] staz_0047_5017 * 0047_0012__exemplified->staz_0047_5017 lgs 0047_0026__sam sam 0047_0020__see->0047_0026__sam [arg1] 0047_0035__17_0047_0036___num__0047_0037__11 17__num__11 0047_0020__see->0047_0035__17_0047_0036___num__0047_0037__11 in[nim] z_0047_5008 _ 0047_0020__see->z_0047_5008 [arg0] 0047_0017__Rob_0047_0018__Pike rob_pike 0047_0014__sam->0047_0017__Rob_0047_0018__Pike by 0047_0021__his his 0047_0026__sam->0047_0021__his [gen] 0047_0023__The_0047_0024__Text_0047_0025__Editor the_text_editor 0047_0026__sam->0047_0023__The_0047_0024__Text_0047_0025__Editor [modifier] 0047_0030__Software_0047_0032__Practice_0047_0033__and_0047_0034__Experience software_practice_and_experience 0047_0035__17_0047_0036___num__0047_0037__11->0047_0030__Software_0047_0032__Practice_0047_0033__and_0047_0034__Experience [modifier] z_0047_5013 _ z_0047_5013->0047_0035__17_0047_0036___num__0047_0037__11 [arg0] 0047_0039__Nov._0047_0040__1987 nov._1987 z_0047_5013->0047_0039__Nov._0047_0040__1987 [prd]
arc(r_0047_0001__The_r_0047_0004__state,r_0047_0002__current,attrib).
arc(r_0047_0001__The_r_0047_0004__state,r_0047_0003__local,attrib).
arc(r_0047_0001__The_r_0047_0004__state,r_0047_0006__the_r_0047_0007__QED_r_0047_0008__line,r_0047_0005__of).
arc(r_0047_0006__the_r_0047_0007__QED_r_0047_0008__line,r_0047_0010__descent,r_0047_0009__of).
arc(r_0047_0011__is,r_0047_0012__exemplified,keep_scope).
arc(r_0047_0011__is,r_0047_0020__see,prn).
arc(r_0047_0012__exemplified,r_0047_0001__The_r_0047_0004__state,arg1).
arc(r_0047_0012__exemplified,r_0047_0014__sam,r_0047_0013__by_arg0).
arc(r_0047_0012__exemplified,star_z_0047_5017,lgs).
arc(r_0047_0014__sam,r_0047_0017__Rob_r_0047_0018__Pike,r_0047_0016__by).
arc(r_0047_0020__see,r_0047_0026__sam,arg1).
arc(r_0047_0020__see,r_0047_0035__17_r_0047_0036___num__r_0047_0037__11,r_0047_0029__in__nim).
arc(r_0047_0020__see,z_0047_5008,arg0).
arc(r_0047_0026__sam,r_0047_0021__his,gen).
arc(r_0047_0026__sam,r_0047_0023__The_r_0047_0024__Text_r_0047_0025__Editor,modifier).
arc(r_0047_0035__17_r_0047_0036___num__r_0047_0037__11,r_0047_0030__Software_r_0047_0032__Practice_r_0047_0033__and_r_0047_0034__Experience,modifier).
arc(z_0047_5013,r_0047_0035__17_r_0047_0036___num__r_0047_0037__11,arg0).
arc(z_0047_5013,r_0047_0039__Nov_dot__r_0047_0040__1987,prd).


IP-MAT NP-SBJ D The ADJP ADJ current ADJP ADJ local N state PP P-ROLE of NP D the NPR QED N line PP P-ROLE of NP N descent BEP;~cat_Ve_passive_ is IP-PPL-CAT NP-LGS * VVN exemplified PP-LGS P-ROLE;_lgs_ by NP NPR sam PUNC , PP P-ROLE by NP NPR Rob NPR Pike PULB -LRB- PRN IP-IMP VB see NP-OB1 NP-GEN PRO;_genm_ his PULQ NLYR D The N Text N Editor NPR sam PUNC , PURQ PP-NIM P-ROLE in NP NLYR NPR Software PUNC -- NLYR NLYR NLYR NPR Practice CONJP CONJ and NLYR NPR Experience NUM 17 N <num> NUM 11 PUNC , PRN NP NPR Nov. NPR 1987 PURB -RRB- PUNC .
( (IP-MAT (NP-SBJ (D The;{the})
                  (ADJP (ADJ current;{current}))
                  (ADJP (ADJ local;{local}))
                  (N state;{state})
                  (PP (P-ROLE of;{of})
                      (NP (D the;{the})
                          (NPR QED;{QED})
                          (N line;{line})
                          (PP (P-ROLE of;{of})
                              (NP (N descent;{descent}))))))
          (BEP;~cat_Ve_passive_ is;{be})
          (IP-PPL-CAT (NP-LGS *)
                      (VVN exemplified;{exemplify})
                      (PP-LGS (P-ROLE;_lgs_ by;{by})
                              (NP;{SAM} (NPR sam;{sam})
                                        (PUNC ,)
                                        (PP (P-ROLE by;{by})
                                            (NP;{ROB} (NPR Rob;{Rob})
                                                      (NPR Pike;{Pike}))))))
          (PULB -LRB-)
          (PRN (IP-IMP (VB see;{see})
                       (NP-OB1 (NP-GEN;{ROB} (PRO;_genm_ his;{his}))
                               (PULQ <ldquo>)
                               (NLYR (D The;{the})
                                     (N Text;{text})
                                     (N Editor;{editor}))
                               (NPR sam;{sam})
                               (PUNC ,)
                               (PURQ <rdquo>))
                       (PP-NIM (P-ROLE in;{in})
                               (NP (NLYR (NPR Software;{Software})
                                         (PUNC --)
                                         (NLYR (NLYR (NLYR (NPR Practice;{Practice}))
                                                     (CONJP (CONJ and;{and})
                                                            (NLYR (NPR Experience;{Experience}))))))
                                   (NUM 17)
                                   (N <num>)
                                   (NUM 11)
                                   (PUNC ,)
                                   (PRN (NP (NPR Nov<dot>)
                                            (NPR 1987)))))))
          (PURB -RRB-)
          (PUNC .))
  (ID 47_a_history_of_qed))