1.lg 0 2.ds sd /sys/lib/tmac 3.\" RT - reset everything to normal state 4.de RT 5.if \\n(CS \{\ 6.SR 1 7.BG\} 8.if !\\n(1T .BG 9.ce 0 10.if !\\n(IK .if !\\n(IF .if !\\n(IX .if !\\n(BE .if !\\n(FT .di 11.ul 0 12.if \\n(QP \{\ 13. ll +\\n(QIu 14. in -\\n(QIu 15. nr QP -1\} 16.if \\n(NX<=1 .if \\n(AJ=0 .if \\n(FT=0 .ll \\n(LLu 17.if !\\n(IF \{\ 18. ps \\n(PS 19. ie \\n(VS>=41 .vs \\n(VSu 20. el .vs \\n(VSp\} 21.ie \\n(IP \{\ 22. in \\n(I\\n(IRu 23. nr IP -1\} 24.el .if !\\n(IR \{\ 25. nr I1 \\n(PIu 26. nr I2 0 27. nr I3 0 28. nr I4 0 29. nr I5 0\} 30.ft 1 31.ta 5n 10n 15n 20n 25n 30n 35n 40n 45n 50n 55n 60n 65n 70n 75n 80n 32.hy \\n(HY 33.fi 34.. 35. \"IZ - initialization 36.de IZ 37.so \\*(sd/tmac.sdisp 38.nr TN 0 39.em EM 40. \" ACCENTS say \*'e or \*`e to get e acute or e grave both were 4/10 41.ds ' \h'\w'e'u*1/10'\z\(aa\h'-\w'e'u*1/10' 42.ds ` \h'\w'e'u*2/10'\z\(ga\h'-\w'e'u*2/10' 43. \" UMLAUT \*:u, etc. 44.if t .ds : \\v'-0.6m'\\h'(1u-(\\\\n(.fu%2u))*0.13m+0.00m'\\z.\\h'0.2m'\\z.\\h'-((1u-(\\\\n(.fu%2u))*0.13m+0.20m)'\\v'0.6m' 45.if n .ds : \z" 46. \" TILDE and CIRCUMFLEX 47.ds ^ \\\\k:\\h'-\\\\n(.fu+1u/2u*2u+\\\\n(.fu-1u*0.13m+0.06m'\\z^\\h'|\\\\n:u' 48.ds ~ \\\\k:\\h'-\\\\n(.fu+1u/2u*2u+\\\\n(.fu-1u*0.13m+0.06m'\\z~\\h'|\\\\n:u' 49. \" czech v symbol 50.ds v \\\\k:\\\\h'+\\\\w'e'u/4u'\\\\v'-0.6m'\\\\s6v\\\\s0\\\\v'0.6m'\\\\h'|\\\\n:u' 51. \" cedilla 52.ds , \\\\k:\\\\h'\\\\w'c'u*0.4u'\\\\z,\\\\h'|\\\\n:u' 53.so \\*(sd/tmac.srefs 54.ch FO \\n(YYu 55.if !\\n(FM .nr FM 1i 56.nr YY -\\n(FMu 57.nr XX 0 1 58.nr IP 0 59.nr PI 5n 60.nr QI 5n 61.nr I0 \\n(PIu 62.nr PS 10 63.nr VS 12 64.nr HY 14 65.ie n \{\ 66. if !\\n(PD .nr PD 1v 67. nr DV 1v\} 68.el \{\ 69. if !\\n(PD .nr PD 0.3v 70. nr DV .5v\} 71.nr ML 3v 72.ps \\n(PS 73.ie \\n(VS>=41 .vs \\n(VSu 74.el .vs \\n(VSp 75.nr IR 0 76.nr I0 0 77.nr I1 \\n(PIu 78.nr TB 0 79.nr SJ \\n(.j 80.nr LL 6i 81.ll \\n(LLu 82.nr LT \\n(.l 83.lt \\n(LTu 84.ev 1 85.if !\\n(FL .nr FL \\n(LLu*11u/12u 86.ll \\n(FLu 87.ps 8 88.vs 10p 89.ev 90.if \\*(CH .ds CH "\(hy \\\\n(PN \(hy 91.wh 0 NP 92.wh -\\n(FMu FO 93.ch FO 16i 94.wh -\\n(FMu FX 95.ch FO -\\n(FMu 96.if t .wh -\\n(FMu/2u BT 97.if n .wh -\\n(FMu/2u-1v BT 98. \" no overstriking bold or italic; switch underlining to bold italic 99. \" (sad historical botch, the .uf font must be 2, 3, or 4) 100.if n .uf 4 101.if n .bd 3 102.nr CW 0-1 103.nr GW 0-1 104.. 105.de TM 106.if !\\n(IM .if !\\n(MN .pn 0 107.so \\*(sd/tmac.scover 108.if !\\n(IM .if !\\n(MN .rm IM MF MR 109.if n .if !\\n(.T .pi /bin/col 110.nr ST 1 111.ds QF TECHNICAL MEMORANDUM 112.br 113.ds MN \\$1 114.if !"\\$1"" .nr MM 1 115.if !"\\$2"" .nr MC 1 116.if !"\\$3"" .nr MG 1 117.nr TN 1 118.if \\n(.$-1 .ds CA \\$2 119.if \\n(.$-2 .ds CC \\$3 120.rm RP S0 S2 AX 121.. 122. \" IM - internal memorandum 123.de IM 124.nr IM 1 125.TM "\\$1" "\\$2" "\\$3" 126.rm QF 127.RA 128.rm RA RP MF MR 129.. 130. \" MF - memorandum for file. 131.de MF 132.nr MN 1 133.TM "\\$1" "\\$2" "\\$3" 134.rm MR 135.rm IM 136.RA 137.rm RA RP TM 138.. 139. \" MR - memo for record 140.de MR 141.nr MN 2 142.TM "\\$1" "\\$2" "\\$3" 143.ds QF MEMORANDUM FOR RECORD 144.rm MF 145.RA 146.rm RA RP IM TM 147.. 148. \" LT - letter 149.de LT 150.if !\\n(PO .ie n .nr PO 1.5i 151.el .nr PO 1.3i 152.po \\n(POu 153.LP 154.rs 155.if !"\\$1"" \{\ 156. vs -2p 157.if "\\$1"LT" .ta 3.9i 4.45i 158.if !"\\$1"LT" .ta 3.9i 4.45i 159. sp .2i 160. nf 161. if "\\$1"LT" \s36\(FA\s0 162. if !"\\$1"LT" \s36\(LH\s0 163. br 164\s7\l'7i'\s0 165.sp 166. br 167. if !"\\$2"" .ds xR " \\$2 168. ds xP 908-582-3000 169. if !"\\$3"" .ds xP \\$3 170. if "\\$1"LT" \s8\f(HBBell Laboratories\fP \fH600 Mountain Avenue 171. if !"\\$1"LT" \s8\f(HBBell Laboratories\fP \fH600 Mountain Avenue 172. if !"\\$2"" \\*(xR 173 Murray Hill, NJ 07974-0636 174 \\*(xP 175. if !"\\$4"" \\$4 176. if !"\\$5"" \\$5 177. if !"\\$6"" \\$6 178. if !"\\$7"" \\$7 179.ft 1 180.ps 181. sp -.75i 182. vs 183. fi \} 184.if n \{\ 185. sp 1i 186. in 4.55i\} 187.if t \{\ 188. sp 1.45i 189. in 3.5i\} 190.ll 8i 191\\*(DY 192.ll 193.in 0 194.br 195.if t .sp 3 196.if n \{\ 197. sp 198. na\} 199.nf 200.rm CF 201.de SG \" nested defn 202.sp 2 203.ta 3.5i 204 Sincerely, 205.sp 3 206 \\\\$1 207.ds CH 208\\.. 209.. 210.de OK 211.br 212.di 213.di OD 214.. 215.de RP \" released paper 216.nr ST 2 217.pn 0 218.rm SG CS TM QF IM MR MF EG 219.br 220.. 221.de TR \" Comp. Sci. Tech Rept series. 222.nr ST 3 223.pn 0 224.ds MN \\$1 225.rm SG CS TM QF IM MR M EG 226.br 227.. 228. \"FP - font position for a family 229.de FP 230.ds TF \\$1 231.if '\\$1'palatino'\{\ 232. fp 1 R PA 233. fp 2 I PI 234. fp 3 B PB 235. fp 4 BI PX\} 236.if '\\$1'lucidabright'\{\ 237. fp 1 R LucidaBright 238. fp 2 I LucidaBright-Italic 239. fp 3 B LucidaBright-Demi 240. fp 4 BI LucidaBright-DemiItalic 241. fp 5 CW LucidaSansCW\} 242.if '\\$1'lucidasans'\{\ 243. fp 1 R LucidaSans 244. fp 2 I LucidaSansI 245. fp 3 B LucidaSansB 246. fp 5 CW LucidaCW\} 247.if '\\$1'syntax'\{\ 248. fp 1 R Syntax 249. fp 2 I SyntaxI 250. fp 3 B SyntaxB 251. fp 5 CW LucidaCW\} 252.if '\\$1'century'\{\ 253. ie '\\*(.T'202'\{\ 254. fp 1 NR Centsb 255. fp 2 NI CentI 256. fp 3 NB CentB 257. fp 4 NX CentBI\} 258. el \{\ 259. fp 1 NR 260. fp 2 NI 261. fp 3 NB 262. fp 4 NX\}\} 263.if '\\$1'helvetica'\{\ 264. fp 1 H 265. fp 2 HI 266. fp 3 HB 267. fp 4 HX\} 268.if '\\$1'bembo'\{\ 269. ie '\\*(.T'202'\{\ 270. fp 1 B1 Bembo 271. fp 2 B2 BemboI 272. fp 3 B3 BemboB 273. fp 4 B4 BemboBI\} 274. el \{\ 275. fp 1 B1 276. fp 2 B2 277. fp 3 B3 278. fp 4 B4\}\} 279.if '\\$1'optima'\{\ 280. fp 1 R Optima 281. fp 2 I OptimaI 282. fp 3 B OptimaB 283. fp 4 BI OptimaBI\} 284.if '\\$1'souvenir'\{\ 285. fp 1 R Souvenir 286. fp 2 I SouvenirI 287. fp 3 B SouvenirB 288. fp 4 BI SouvenirBI\} 289.if '\\$1'melior'\{\ 290. fp 1 R Melior 291. fp 2 I MeliorI 292. fp 3 B MeliorB 293. fp 4 BI MeliorBI\} 294.if '\\$1'times'\{\ 295. fp 1 R 296. fp 2 I 297. fp 3 B 298. fp 4 BI\} 299.. 300. \"TL - title and initialization 301.de TL 302.br 303.nr TV 1 304.if \\n(IM .rm CS 305.if \\n(MN .rm CS 306.ME 307.rm ME 308.di WT 309.na 310.fi 311.ie h .ll \\n(LLu 312.el \{\ 313.ll 5.0i 314.if n .if \\n(TN .ll 29 315.if t .if \\n(TN .ll 3.5i \} 316.ft 3 317.ps \\n(PS 318.if !\\n(TN \{\ 319. ps +2 320. vs \\n(.s+2 321. rm CS\} 322.hy 0 323.if h .ce 999 324.. 325.de TX 326.rs 327.sp .5i 328.ce 1000 329.if n .ul 1000 330.ps 12 331.ft 3 332.vs 15p 333.ne 4 334.hy 0 335.WT 336.hy \\n(HY 337.ce 0 338.ul 0 339.. 340. \" AU - author(s) 341.de AU 342.nr AV 1 343.ad \\n(SJ 344.br 345.di 346.br 347.nf 348.nr NA +1 349.ds R\\n(NA \\$1 350.ds E\\n(NA \\$2 351.di A\\n(NA 352.ll \\n(LLu 353.ie t \{\ 354. ie !\\n(TN .ft 2 355. el \{\ 356. ft 3 357. ll 1.4i\}\} 358.el \{\ 359. ie !\\n(TN .ft 1 360. el \{\ 361. ft 3 362. ll 16\}\} 363.ps \\n(PS 364.if h .ce 999 365.. 366.de AX 367.ft 1 368.rs 369.ce 1000 370.if n .ul 0 371.ps \\n(PS 372.ie \\n(VS>=41 .vs \\n(VSu 373.el .vs \\n(VSp 374.if t \{\ 375. sp 376. A1 377. sp 0.5 378. ns 379. I1 380. if \\n(NA-1 .sp 381. A2 382. if \\n(NA-1 .sp 0.5 383. ns 384. I2 385. if \\n(NA-2 .sp 386. A3 387. if \\n(NA-2 .sp 0.5 388. ns 389. I3 390. if \\n(NA-3 .sp 391. A4 392. if \\n(NA-3 .sp 0.5 393. ns 394. I4 395. if \\n(NA-4 .sp 396. A5 397. if \\n(NA-4 .sp 0.5 398. ns 399. I5 400. if \\n(NA-5 .sp 401. A6 402. if \\n(NA-5 .sp 0.5 403. ns 404. I6 405. if \\n(NA-6 .sp 406. A7 407. if \\n(NA-6 .sp 0.5 408. ns 409. I7 410. if \\n(NA-7 .sp 411. A8 412. if \\n(NA-7 .sp 0.5 413. ns 414. I8 415. if \\n(NA-8 .sp 416. A9 417. if \\n(NA-8 .sp 0.5 418. ns 419. I9\} 420.if n \{\ 421. sp 2 422. A1 423. sp 424. ns 425. I1 426. if \\n(NA-1 .sp 2 427. A2 428. if \\n(NA-1 .sp 429. ns 430. I2 431. if \\n(NA-2 .sp 2 432. A3 433. if \\n(NA-2 .sp 434. ns 435. I3 436. if \\n(NA-3 .sp 2 437. A4 438. if \\n(NA-3 .sp 439. ns 440. I4 441. if \\n(NA-4 .sp 2 442. A5 443. if \\n(NA-4 .sp 444. ns 445. I5 446. if \\n(NA-5 .sp 2 447. A6 448. if \\n(NA-5 .sp 449. ns 450. I6 451. if \\n(NA-6 .sp 2 452. A7 453. if \\n(NA-6 .sp 454. ns 455. I7 456. if \\n(NA-7 .sp 2 457. A8 458. if \\n(NA-7 .sp 459. ns 460. I8 461. if \\n(NA-8 .sp 2 462. A9 463. if \\n(NA-8 .sp 464. ns 465. I9\} 466.. 467. \"AI - authors institution 468.de AI 469.br 470.ft 1 471.di 472.di I\\n(NA 473.nf 474.. 475. \"AB - begin an abstract 476.de AB 477.br 478.di 479.ul 0 480.ce 0 481.nr 1T 1 482.nr IK 1 483.nr KI 1 484.di WB 485.rs 486.nr AJ 1 487.ce 1 488.ft 2 489.if n .ul 490.ll \\n(LLu 491.ie \\n(.$ \{\ 492. if !"\\$1"-" .if !"\\$1"no" \\$1 493. if !"\\$1"-" .if !"\\$1"no" .sp\} 494.el \{\ 495ABSTRACT 496.sp\} 497.hy \\n(HY 498.ul 0 499.ce 0 500.fi 501.ft 1 502.nr OJ \\n(.i 503.in +\\n(.lu/12u 504.ll -\\n(.lu/12u 505.br 506.ps \\n(PS 507.ie \\n(VS>=41 .vs \\n(VSu 508.el .vs \\n(VSp 509.ti +\\n(PIu 510.. 511. \"AE - end of an abstract 512.de AE 513.br 514.di 515.ll \\n(LLu 516.ps \\n(PS 517.ie \\n(VS>=41 .vs \\n(VSu 518.el .vs \\n(VSp 519.nr 1T 0 520.nr IK 0 521.in \\n(OJu 522.nr AJ 0 523.di 524.ce 0 525.if \\n(ST=2 .SY 526.if \\n(ST<3 .rm SY 527.. 528. \"S2 - release paper style 529. \"SY - cover sheet of released paper 530.de SY 531.ll \\n(LLu 532.ns 533.if \\n(TV .TX 534.if \\n(AV .AX 535.rs 536.ce 0 537.nf 538.sp 3 539.ls 1 540.pn 2 541.WB 542.ls 543.sp 3v 544\\*(DY 545.sp |9i 546.if \\n(FP .FA 547.FG 548.if \\n(GA=1 .nr GA 2 549.fi 550.. 551. \"S2 - first text page, released paper format 552.de S2 553.ce 0 554.br 555.SY 556.rm SY 557.bp 1 558.if \\n(TV .TX 559.if \\n(AV .AX 560.rs 561.ce 0 562.ft 1 563.ad \\n(SJ 564.. 565. \"S0- mike lesk conserve paper style 566.de S0 567.ce 0 568.br 569.ll \\n(LLu 570.if \\n(TV+\\n(AV .ns 571.if \\n(TV .TX 572.if \\n(AV .AX 573.if \\n(TV+\\n(AV .rs 574.ce 0 575.if \\n(TV .sp 2 576.ls 1 577.if \\n(FP \{\ 578. FJ 579. nf 580. FG 581. fi 582. FK 583. nr FP 0\} 584.nf 585.WB 586.ls 587.fi 588.ad \\n(SJ 589.. 590. \"S3 - CSTR style 591.de S3 592.rs 593.sp |2.25i 594.ce 1000 595.I1 596.if \\n(NA>1 \{\ 597. sp .5 598. I2\} 599.if \\n(NA>2 \{\ 600. sp .5 601. I3\} 602.if \\n(NA>3 \{\ 603. sp .5 604. I4\} 605.if \\n(NA>4 \{\ 606. sp .5 607. I5\} 608.if \\n(NA>5 \{\ 609. sp .5 610. I6\} 611.if \\n(NA>6 \{\ 612. sp .5 613. I7\} 614.if \\n(NA>7 \{\ 615. sp .5 616. I8\} 617.if \\n(NA>8 \{\ 618. sp .5 619. I9\} 620.sp |4i 621. \"check how long title is: can space extra .25 inch if short 622.di EZ 623.WT 624.di 625.if \\n(dn<1.5v .if \\n(NA=1 .sp .25i 626.ft 1 627Computing Science Technical Report No. \\*(MN 628.sp 629.if t .ft 3 630.if n .ul 100 631.ps 12 632.vs 15p 633.hy 0 634.WT 635.hy \\n(HY 636.ft 1 637.if n .ul 0 638.ps 10 639.vs 12p 640.sp 641.ft 1 642.A1 643.A2 644.A3 645.A4 646.A5 647.A6 648.A7 649.A8 650.A9 651.ce 0 652.sp |8.5i 653.ce 0 654\\*(DY 655.DZ 656.bp 0 657.ft 1 658.S2 659.. 660. \"SG - signature 661.de SG 662.br 663.KS 664.in +2u*\\n(.lu/3u 665.sp 4 666.A1 667.if \\n(NA>1 .sp 4 668.A2 669.if \\n(NA>2 .sp 4 670.A3 671.if \\n(NA>3 .sp 4 672.A4 673.if \\n(NA>4 .sp 4 674.A5 675.if \\n(NA>5 .sp 4 676.A6 677.if \\n(NA>6 .sp 4 678.A7 679.if \\n(NA>7 .sp 4 680.A8 681.if \\n(NA>8 .sp 4 682.A9 683.in 684.nf 685.if \\n(.$<1 .G9 686.sp -1 687.if \\n(.$>=1 \\$1 688.if \\n(.$>=2 \\$2 689.if \\n(.$>=3 \\$3 690.if \\n(.$>=4 \\$4 691.if \\n(.$>=5 \\$5 692.if \\n(.$>=6 \\$6 693.if \\n(.$>=7 \\$7 694.if \\n(.$>=8 \\$8 695.if \\n(.$>=9 \\$9 696.fi 697.br 698.KE 699.. 700. \"Tables. TS - table start, TE - table end 701.de TS 702.br 703.if !\\n(1T .RT 704.ul 0 705.ti \\n(.iu 706.if t .sp 0.5 707.if n .sp 708.if \\$1H .TQ 709.nr IX 1 710.. 711.de TQ 712.di TT 713.nr IT 1 714.. 715.de TH 716.if \\n(.d>0.5v \{\ 717. nr T. 0 718. T# 0\} 719.di 720.nr TQ \\n(.i 721.nr HT 1 722.in 0 723.mk #a 724.mk #b 725.mk #c 726.mk #d 727.mk #e 728.mk #f 729.TT 730.in \\n(TQu 731.mk #T 732.. 733.de TE 734.nr IX 0 735.if \\n(IT .if !\\n(HT \{\ 736. di 737. nr EF \\n(.u 738. nf 739. TT 740. if \\n(EF .fi\} 741.nr IT 0 742.nr HT 0 743.if n .sp 1 744.if t .sp 0.5 745.rm a+ b+ c+ d+ e+ f+ g+ h+ i+ j+ k+ l+ n+ m+ 746.rr 32 33 34 35 36 37 38 40 79 80 81 82 747.rr a| b| c| d| e| f| g| h| i| j| k| l| m| 748.rr a- b- c- d- e- f- g- h- i- j- k- l- m- 749.. 750.so \*(sd/tmac.skeep 751.de EQ \"equation, breakout and display 752.nr EF \\n(.u 753.rm EE 754.nr LE 1 \" 1 is center 755.ds EL \\$1 756.if "\\$1"L" \{\ 757. ds EL \\$2 758. nr LE 0\} 759.if "\\$1"C" .ds EL \\$2 760.if "\\$1"R" \{\ 761. ds EL \\$2 \" 2 is right adjust 762. nr LE 2\} 763.if "\\$1"I" \{\ 764. nr LE 0 765. if "\\$3"" .ds EE \\h'|10n' 766. el .ds EE \\h'\\$3' 767. ds EL \\$2\} 768.if \\n(YE .nf 769.di EZ 770.. 771.de EN \" end of a displayed equation 772.br 773.di 774.rm EZ 775.nr ZN \\n(dn 776.if \\n(ZN .if !\\n(YE .LP 777.if !\\n(ZN .if !"\\*(EL"" .nr ZN 1 778.if \\n(ZN \{\ 779. ie "\\n(.z"" \{\ 780. if t .if !\\n(nl=\\n(PE .sp .5 781. if n .if !\\n(nl=\\n(PE .sp 1\} 782. el \{\ 783. if t .if !\\n(.d=\\n(PE .sp .5 784. if n .if !\\n(.d=\\n(PE .sp 1\}\} 785'pc 786.if \\n(BD .nr LE 0 \" don't center if block display or mark/lineup 787.if \\n(MK \{\ 788. if \\n(LE=1 .ds EE \\h'|10n' 789. nr LE 0\} 790'lt \\n(.lu 791.if !\\n(EP .if \\n(ZN \{\ 792. if \\n(LE=1 .tl \(ts\(ts\\*(10\(ts\\*(EL\(ts 793. if \\n(LE=2 .tl \(ts\(ts\(ts\\*(10\\*(EL\(ts 794. if !\\n(LE \{\ 795. if !\\n(BD .tl \(ts\\*(EE\\*(10\(ts\(ts\\*(EL\(ts 796. if \\n(BD .if \\n(BD<\\w\(ts\\*(10\(ts .nr BD \\w\(ts\\*(10\(ts 797. if \\n(BD \!\\*(10\\t\\*(EL\}\} 798.if \\n(EP .if \\n(ZN \{\ 799. if \\n(LE=1 .tl \(ts\\*(EL\(ts\\*(10\(ts\(ts 800. if \\n(LE=2 .tl \(ts\\*(EL\(ts\(ts\\*(10\(ts 801. if !\\n(LE \{\ 802. if !\\n(BD .tl \(ts\\*(EL\\*(EE\\*(10\(ts\(ts\(ts 803. if \\n(BD .if \\n(BD<\\w\(ts\\*(10\(ts .nr BD \\w\(ts\\*(10\(ts 804. if \\n(BD \!\\h'-\\\\n(.iu'\\*(EL\\h'|0'\\*(10\}\} 805'lt \\n(LLu 806'pc % 807.if \\n(YE .if \\n(EF .fi 808.if t .if \\n(ZN .sp .5 809.if n .if \\n(ZN .sp 810.ie "\\n(.z"" .nr PE \\n(nl 811.el .nr PE \\n(.d 812.. 813.de PS \" start picture 814. \" $1 is height, $2 is width, both in inches 815.if \\$1>0 .sp .35 816.ie \\$1>0 .nr $1 \\$1 817.el .nr $1 0 818.in (\\n(.lu-\\$2)/2u 819.ne \\$1 820.. 821.de PE \" end of picture 822.in 823.if \\n($1>0 .sp .65 824.. 825. \" .P1/.P2 macros for programs 826. 827.nr XP 1 \" delta point size for program 828.nr XV 1p \" delta vertical for programs 829.nr XT 8 \" delta tab stop for programs 830.nr DV .5v \" space before start of program 831. 832.de P1 833.br 834.nr v \\n(.v 835.nr i 2m 836.if \\n(.$ .nr i \\$1 837.di p1 838.in \\niu 839.nf 840.ps -\\n(XP 841.vs -\\n(XVu 842.ft CW 843.nr t \\n(XT*\\w'x'u 844.ta 1u*\\ntu 2u*\\ntu 3u*\\ntu 4u*\\ntu 5u*\\ntu 6u*\\ntu 7u*\\ntu 8u*\\ntu 9u*\\ntu 10u*\\ntu 11u*\\ntu 12u*\\ntu 13u*\\ntu 14u*\\ntu 845.. 846. 847.de P2 848.br 849.ps \\n(PS 850.vs \\n(VSp 851.vs \\nvu 852.ft 1 853.in 0 854.di 855.br 856.sp \\n(DVu 857.RT 858.if \\n(.$=0 .ne \\n(dnu \" -\\n(DVu 859.nf 860.p1 861.sp \\n(DVu 862.RT 863.. 864. 865.de ME 866.nr SJ \\n(.j 867.if \\n(LL .nr LT \\n(LL 868.nr YE 1 869.if !\\n(PO .nr PO \\n(.o 870.if \\n(mo-0 .ds MO January 871.if \\n(mo-1 .ds MO February 872.if \\n(mo-2 .ds MO March 873.if \\n(mo-3 .ds MO April 874.if \\n(mo-4 .ds MO May 875.if \\n(mo-5 .ds MO June 876.if \\n(mo-6 .ds MO July 877.if \\n(mo-7 .ds MO August 878.if \\n(mo-8 .ds MO September 879.if \\n(mo-9 .ds MO October 880.if \\n(mo-10 .ds MO November 881.if \\n(mo-11 .ds MO December 882.if \\n(dw-0 .ds DW Sunday 883.if \\n(dw-1 .ds DW Monday 884.if \\n(dw-2 .ds DW Tuesday 885.if \\n(dw-3 .ds DW Wednesday 886.if \\n(dw-4 .ds DW Thursday 887.if \\n(dw-5 .ds DW Friday 888.if \\n(dw-6 .ds DW Saturday 889.nr yP (\\n(yr+2000)/100) 890.nr yD (\\n(yr%100 891.af yD 01 892.if "\\*(DY"" .ds DY \\*(MO \\n(dy, \\n(yP\\n(yD 893.if "\\*(CF"" .if n .ds CF "\\*(DY 894.. 895. \"EM end up macro - process left over keep-release 896.de EM 897.br 898.if \\n(AJ .tm Syntax error: no .AE 899.if \\n(IF .ab Missing .FE somewhere 900.if t .if \\n(TB=0 .wh -1p CM 901.if \\n(TB \{\&\c 902' bp 903. NP 904. ch CM 160\} 905.. 906. \"NP new page 907.de NP 908.rr PE 909.if \\n(FM+\\n(HM>=\\n(.p \{\ 910. tm Margins bigger than page length. 911. ab 912. ex\} 913.if t .CM 914.if !\\n(HM .nr HM 1i 915'sp \\n(HMu/2u 916.ev 1 917.nr PX \\n(.s 918.nr PF \\n(.f 919.nr PV \\n(.v 920.lt \\n(LTu 921.ps \\n(PS 922.vs \\n(PS+2 923.ft 1 924.if \\n(PO .po \\n(POu 925.PT 926.ps \\n(PX 927.vs \\n(PVu 928.ft \\n(PF 929.ev 930'sp |\\n(HMu 931.nr XX 0 1 932.nr YY 0-\\n(FMu 933.ch FO 16i 934.ch FX 17i 935.ch FO \\n(.pu-\\n(FMu 936.ch FX \\n(.pu-\\n(FMu 937.if \\n(MF .FV 938.nr MF 0 939.mk 940.os 941.ev 1 942.if !\\n(TD .if \\n(TC<5 .XK 943.nr TC 0 944.ns 945.ev 946.nr TQ \\n(.i 947.nr TK \\n(.u 948.if \\n(IT \{\ 949. in 0 950. nf 951. TT 952. in \\n(TQu 953. if \\n(TK .fi\ 954\} 955.mk #T 956....if t .if \\n(.o+\\n(LL>7.75i .tm Offset + line length exceeds 7.75 inches, too wide 957.. 958.de XK 959.nr TD 1 960.nf 961.ls 1 962.in 0 963.rn KJ KL 964.KL 965.rm KL 966.if "\\n(.z"KJ" .di 967.nr TB 0 968.if "\\n(.z"KJ" .nr TB 1 969.br 970.in 971.ls 972.fi 973.if (\\n(nl+1v)>(\\n(.p-\\n(FM) \{\ 974. if \\n(NX>1 .RC 975. if \\n(NX<1 .bp\} 976.nr TD 0 977.. 978.de KD 979.nr KM 0 980.if "\\n(.z"" .if \\$2>0 .if \\n(nl>\\n(HM \{\ 981. if (\\n(nl+1v)<(\\n(.p-\\n(FM) .di KJ \" full page figure must have new page 982. sp 15i\} 983.if "\\n(.z"" .if \\n(nl>\\n(HM .if \\$2=0 .if (\\n(nl+1v)>(\\n(.p-\\n(FM) .sp 15i 984.if "\\n(.z"KJ" .nr KM 1 \" KM is 1 if in a rediversion of keeps 985.if \\n(KM>0 \!.KD \\$1 \\$2 986.nr KR \\n(.t 987.if \\n(nl<=\\n(HM .nr KR 32767 988.if \\n(KM=0 \{\ 989. if \\n(KR<\\$1 \{\ 990. di KJ 991. nr KM 1\} 992. if \\$2>0 .if (\\n(nl+1v)>(\\n(.p-\\n(FM) .sp 15i\} 993.rs 994.if \\n(KM=0 .if \\$2>0 .sp \\n(.tu-\\$1u 995.. 996.de PT 997.lt \\n(LLu 998.pc % 999.nr PN \\n% 1000.if \\n%-1 .tl \\*(LH\\*(CH\\*(RH 1001.lt \\n(.lu 1002.. 1003. \"FO - footer of page 1004.de FO 1005.rn FO FZ 1006.if \\n(IT>0 \{\ 1007. nr T. 1 1008. if \\n(FC=0 .T# 1 1009. br\} 1010.nr FC +1 1011.if \\n(NX<2 .nr WF 0 1012.nr dn 0 1013.if \\n(FC<=1 .if \\n(XX .XF 1014.rn FZ FO 1015.nr MF 0 1016.if \\n(dn .nr MF 1 1017.if !\\n(WF \{\ 1018. nr YY 0-\\n(FMu 1019. ch FO \\n(YYu\} 1020.if !\\n(dn .nr WF 0 1021.if \\n(FC<=1 .if \\n(XX=0 \{\ 1022. if \\n(NX>1 .RC 1023. if \\n(NX<1 'bp\} 1024.nr FC -1 1025.if \\n(ML>0 .ne \\n(MLu 1026.. 1027. \"2C - begin double column 1028.de 2C 1029.MC \" default MC is double column 1030.. 1031.de MC \" multiple columns- arg is line length 1032.nr L1 \\n(LL*7/15 1033.if \\n(CW>=0 .nr L1 \\n(CWu 1034.if \\n(.$ .nr L1 \\$1n 1035.if \\n(GW>=0 .nr GW \\n(GWu 1036.if \\n(.$>1 .nr GW \\$2n 1037.nr NQ \\n(LL/\\n(L1 1038.if \\n(NQ<1 .nr NQ 1 1039.if \\n(NQ>2 .if (\\n(LL%\\n(L1)=0 .nr NQ -1 1040.if !\\n(1T \{\ 1041. BG 1042. if n .sp 4 1043. if t .sp 2\} 1044.if \\n(NX=0 .nr NX 1 1045.if !\\n(NX=\\n(NQ \{\ 1046. RT 1047. if \\n(NX>1 .bp 1048. mk 1049. nr NC 1 1050. po \\n(POu\} 1051.if \\n(NQ>1 .hy \\n(HY 1052.nr NX \\n(NQ 1053.if \\n(NX>1 .nr CW \\n(L1 1054.ll \\n(L1u 1055.nr FL \\n(L1u*11u/12u 1056.if \\n(NX>1 .if \\n(GW<0 .nr GW (\\n(LL-(\\n(NX*\\n(L1))/(\\n(NX-1) 1057.nr RO \\n(L1+\\n(GW 1058.ns 1059.. 1060.de RC 1061.ie \\n(NC>=\\n(NX .C2 1062.el .C1 1063.. 1064.de C1 1065.rt 1066.po +\\n(ROu 1067.nr NC +1 1068.if \\n(NC>\\n(NX .nr NC 1 1069.nr XX 0 1 1070.nr YY 0-\\n(FMu 1071.if \\n(MF .FV 1072.ch FX \\n(.pu-\\n(FMu 1073.ev 1 1074.if \\n(TB .XK 1075.nr TC 0 1076.ev 1077.nr TQ \\n(.i 1078.if \\n(IT \{\ 1079. in 0 1080. TT 1081. in \\n(TQu\} 1082.mk #T 1083.ns 1084.. 1085.de C2 1086.po \\n(POu 1087.nr NC +1 1088.if \\n(NC>\\n(NX .nr NC 1 1089'bp 1090.. 1091. \"1C - return to single column format 1092.de 1C 1093.MC \\n(LLu 1094.hy \\n(HY 1095.. 1096.de MH 1097Bell Laboratories 1098Murray Hill, New Jersey 07974 1099.. 1100.de PY 1101Bell Laboratories 1102Piscataway, New Jersey 08854 1103.. 1104.de AW 1105Bell Laboratories 11062018 Antwerp, Belgium 1107.. 1108.de BT 1109.nr PX \\n(.s 1110.nr PF \\n(.f 1111.ft 1 1112.ps \\n(PS 1113'lt \\n(LTu 1114.po \\n(POu 1115.if \\n%>0 .tl \(ts\\*(LF\(ts\\*(CF\(ts\\*(RF\(ts 1116.ft \\n(PF 1117.ps \\n(PX 1118.. 1119. \"PP - paragraph 1120.de PP 1121.RT 1122.if \\n(1T .sp \\n(PDu 1123.ne 2v 1124.ti +\\n(PIu 1125.. 1126. \"SH - (unnumbered) section heading 1127.de SH 1128.ti \\n(.iu 1129.RT 1130.ie \\n(1T .sp 1 1131.el .BG 1132.RT 1133.ne 4 1134.ft 3 1135.if n .ul 1000 1136.. 1137. \"NH - numbered heading 1138.de N{ 1139.RT 1140.ie \\n(1T .sp 1 1141.el .BG 1142.RT 1143.ne 4 1144.ft 3 1145.if n .ul 1000 1146.nr NS \\$1 1147.if !\\n(.$ .nr NS 1 1148.if !\\n(NS .nr NS 1 1149.nr H\\n(NS +1 1150.if !\\n(NS-4 .nr H5 0 1151.if !\\n(NS-3 .nr H4 0 1152.if !\\n(NS-2 .nr H3 0 1153.if !\\n(NS-1 .nr H2 0 1154.if !\\$1 .if \\n(.$ .nr H1 1 1155.ds SN \\n(H1. 1156.ti \\n(.iu 1157.if \\n(NS-1 .as SN \\n(H2. 1158.if \\n(NS-2 .as SN \\n(H3. 1159.if \\n(NS-3 .as SN \\n(H4. 1160.if \\n(NS-4 .as SN \\n(H5. 1161.. 1162.de NH 1163.N{ \\$1 1164\\*(SN 1165.. 1166. \"BG - begin, execute at first PP 1167.de BG 1168.br 1169.ME 1170.rm ME 1171.di 1172.ce 0 1173.nr KI 0 1174.hy \\n(HY 1175.nr 1T 1 1176.nr CS 0 1177.S\\n(ST 1178.rm S0 S1 S2 S3 OD OK TX AX WT CS TM IM MF MR RP I1 I2 I3 I4 I5 CB E1 E2 1179.de TL 1180.ft 3 1181.sp 1182.if n .ul 100 1183.ce 100 1184.ps +2 1185\\.. 1186.de AU 1187.ft 2 1188.if n .ul 0 1189.ce 100 1190.sp 1191.NL 1192\\.. 1193.de AI 1194.ft 1 1195.ce 100 1196.if n .ul 0 1197.if n .sp 1198.if t .sp .5 1199.NL 1200\\.. 1201.RA 1202.rm RA 1203.rn FJ FS 1204.rn FK FE 1205.nf 1206.ev 1 1207.ps \\n(PS-2 1208.vs \\n(.s+2p 1209.ev 1210.if !\\n(KG .nr FP 0 1211.if \\n(GA>1 .if \\n(KG=0 .nr GA 0 \" next UNIX must be flagged. 1212.nr KG 0 1213.if \\n(FP \{\ 1214. 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