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1.1 root 1: %!PS-Adobe-1.0
2: %%Creator: mace.Berkeley.EDU:ouster (John Ousterhout,525E,0865,5476132)
3: %%Title: stdin (ditroff)
4: %%CreationDate: Fri Dec 22 15:50:55 1989
5: %%EndComments
6: % @(#)psdit.pro 1.3 4/15/88
7: % lib/psdit.pro -- prolog for psdit (ditroff) files
8: % Copyright (c) 1984, 1985 Adobe Systems Incorporated. All Rights Reserved.
9: % last edit: shore Sat Nov 23 20:28:03 1985
10: % RCSID: $Header: psdit.pro,v 2.1 85/11/24 12:19:43 shore Rel $
11:
12: % Changed by Edward Wang ([email protected]) to handle graphics,
13: % 17 Feb, 87.
14:
15: /$DITroff 140 dict def $DITroff begin
16: /fontnum 1 def /fontsize 10 def /fontheight 10 def /fontslant 0 def
17: /xi{0 72 11 mul translate 72 resolution div dup neg scale 0 0 moveto
18: /fontnum 1 def /fontsize 10 def /fontheight 10 def /fontslant 0 def F
19: /pagesave save def}def
20: /PB{save /psv exch def currentpoint translate
21: resolution 72 div dup neg scale 0 0 moveto}def
22: /PE{psv restore}def
23: /arctoobig 90 def /arctoosmall .05 def
24: /m1 matrix def /m2 matrix def /m3 matrix def /oldmat matrix def
25: /tan{dup sin exch cos div}def
26: /point{resolution 72 div mul}def
27: /dround {transform round exch round exch itransform}def
28: /xT{/devname exch def}def
29: /xr{/mh exch def /my exch def /resolution exch def}def
30: /xp{}def
31: /xs{docsave restore end}def
32: /xt{}def
33: /xf{/fontname exch def /slotno exch def fontnames slotno get fontname eq not
34: {fonts slotno fontname findfont put fontnames slotno fontname put}if}def
35: /xH{/fontheight exch def F}def
36: /xS{/fontslant exch def F}def
37: /s{/fontsize exch def /fontheight fontsize def F}def
38: /f{/fontnum exch def F}def
39: /F{fontheight 0 le{/fontheight fontsize def}if
40: fonts fontnum get fontsize point 0 0 fontheight point neg 0 0 m1 astore
41: fontslant 0 ne{1 0 fontslant tan 1 0 0 m2 astore m3 concatmatrix}if
42: makefont setfont .04 fontsize point mul 0 dround pop setlinewidth}def
43: /X{exch currentpoint exch pop moveto show}def
44: /N{3 1 roll moveto show}def
45: /Y{exch currentpoint pop exch moveto show}def
46: /S{show}def
47: /ditpush{}def/ditpop{}def
48: /AX{3 -1 roll currentpoint exch pop moveto 0 exch ashow}def
49: /AN{4 2 roll moveto 0 exch ashow}def
50: /AY{3 -1 roll currentpoint pop exch moveto 0 exch ashow}def
51: /AS{0 exch ashow}def
52: /MX{currentpoint exch pop moveto}def
53: /MY{currentpoint pop exch moveto}def
54: /MXY{moveto}def
55: /cb{pop}def % action on unknown char -- nothing for now
56: /n{}def/w{}def
57: /p{pop showpage pagesave restore /pagesave save def}def
58: /Dt{/Dlinewidth exch def}def 1 Dt
59: /Ds{/Ddash exch def}def -1 Ds
60: /Di{/Dstipple exch def}def 1 Di
61: /Dsetlinewidth{2 Dlinewidth mul setlinewidth}def
62: /Dsetdash{Ddash 4 eq{[8 12]}{Ddash 16 eq{[32 36]}
63: {Ddash 20 eq{[32 12 8 12]}{[]}ifelse}ifelse}ifelse 0 setdash}def
64: /Dstroke{gsave Dsetlinewidth Dsetdash 1 setlinecap stroke grestore
65: currentpoint newpath moveto}def
66: /Dl{rlineto Dstroke}def
67: /arcellipse{/diamv exch def /diamh exch def oldmat currentmatrix pop
68: currentpoint translate 1 diamv diamh div scale /rad diamh 2 div def
69: currentpoint exch rad add exch rad -180 180 arc oldmat setmatrix}def
70: /Dc{dup arcellipse Dstroke}def
71: /De{arcellipse Dstroke}def
72: /Da{/endv exch def /endh exch def /centerv exch def /centerh exch def
73: /cradius centerv centerv mul centerh centerh mul add sqrt def
74: /eradius endv endv mul endh endh mul add sqrt def
75: /endang endv endh atan def
76: /startang centerv neg centerh neg atan def
77: /sweep startang endang sub dup 0 lt{360 add}if def
78: sweep arctoobig gt
79: {/midang startang sweep 2 div sub def /midrad cradius eradius add 2 div def
80: /midh midang cos midrad mul def /midv midang sin midrad mul def
81: midh neg midv neg endh endv centerh centerv midh midv Da
82: Da}
83: {sweep arctoosmall ge
84: {/controldelt 1 sweep 2 div cos sub 3 sweep 2 div sin mul div 4 mul def
85: centerv neg controldelt mul centerh controldelt mul
86: endv neg controldelt mul centerh add endh add
87: endh controldelt mul centerv add endv add
88: centerh endh add centerv endv add rcurveto Dstroke}
89: {centerh endh add centerv endv add rlineto Dstroke}
90: ifelse}
91: ifelse}def
92: /Dpatterns[
93: [%cf[widthbits]
94: [8<0000000000000010>]
95: [8<0411040040114000>]
96: [8<0204081020408001>]
97: [8<0000103810000000>]
98: [8<6699996666999966>]
99: [8<0000800100001008>]
100: [8<81c36666c3810000>]
101: [8<0f0e0c0800000000>]
102: [8<0000000000000010>]
103: [8<0411040040114000>]
104: [8<0204081020408001>]
105: [8<0000001038100000>]
106: [8<6699996666999966>]
107: [8<0000800100001008>]
108: [8<81c36666c3810000>]
109: [8<0f0e0c0800000000>]
110: [8<0042660000246600>]
111: [8<0000990000990000>]
112: [8<0804020180402010>]
113: [8<2418814242811824>]
114: [8<6699996666999966>]
115: [8<8000000008000000>]
116: [8<00001c3e363e1c00>]
117: [8<0000000000000000>]
118: [32<00000040000000c00000004000000040000000e0000000000000000000000000>]
119: [32<00000000000060000000900000002000000040000000f0000000000000000000>]
120: [32<000000000000000000e0000000100000006000000010000000e0000000000000>]
121: [32<00000000000000002000000060000000a0000000f00000002000000000000000>]
122: [32<0000000e0000000000000000000000000000000f000000080000000e00000001>]
123: [32<0000090000000600000000000000000000000000000007000000080000000e00>]
124: [32<00010000000200000004000000040000000000000000000000000000000f0000>]
125: [32<0900000006000000090000000600000000000000000000000000000006000000>]]
126: [%ug
127: [8<0000020000000000>]
128: [8<0000020000002000>]
129: [8<0004020000002000>]
130: [8<0004020000402000>]
131: [8<0004060000402000>]
132: [8<0004060000406000>]
133: [8<0006060000406000>]
134: [8<0006060000606000>]
135: [8<00060e0000606000>]
136: [8<00060e000060e000>]
137: [8<00070e000060e000>]
138: [8<00070e000070e000>]
139: [8<00070e020070e000>]
140: [8<00070e020070e020>]
141: [8<04070e020070e020>]
142: [8<04070e024070e020>]
143: [8<04070e064070e020>]
144: [8<04070e064070e060>]
145: [8<06070e064070e060>]
146: [8<06070e066070e060>]
147: [8<06070f066070e060>]
148: [8<06070f066070f060>]
149: [8<060f0f066070f060>]
150: [8<060f0f0660f0f060>]
151: [8<060f0f0760f0f060>]
152: [8<060f0f0760f0f070>]
153: [8<0e0f0f0760f0f070>]
154: [8<0e0f0f07e0f0f070>]
155: [8<0e0f0f0fe0f0f070>]
156: [8<0e0f0f0fe0f0f0f0>]
157: [8<0f0f0f0fe0f0f0f0>]
158: [8<0f0f0f0ff0f0f0f0>]
159: [8<1f0f0f0ff0f0f0f0>]
160: [8<1f0f0f0ff1f0f0f0>]
161: [8<1f0f0f8ff1f0f0f0>]
162: [8<1f0f0f8ff1f0f0f8>]
163: [8<9f0f0f8ff1f0f0f8>]
164: [8<9f0f0f8ff9f0f0f8>]
165: [8<9f0f0f9ff9f0f0f8>]
166: [8<9f0f0f9ff9f0f0f9>]
167: [8<9f8f0f9ff9f0f0f9>]
168: [8<9f8f0f9ff9f8f0f9>]
169: [8<9f8f1f9ff9f8f0f9>]
170: [8<9f8f1f9ff9f8f1f9>]
171: [8<bf8f1f9ff9f8f1f9>]
172: [8<bf8f1f9ffbf8f1f9>]
173: [8<bf8f1fdffbf8f1f9>]
174: [8<bf8f1fdffbf8f1fd>]
175: [8<ff8f1fdffbf8f1fd>]
176: [8<ff8f1fdffff8f1fd>]
177: [8<ff8f1ffffff8f1fd>]
178: [8<ff8f1ffffff8f1ff>]
179: [8<ff9f1ffffff8f1ff>]
180: [8<ff9f1ffffff9f1ff>]
181: [8<ff9f9ffffff9f1ff>]
182: [8<ff9f9ffffff9f9ff>]
183: [8<ffbf9ffffff9f9ff>]
184: [8<ffbf9ffffffbf9ff>]
185: [8<ffbfdffffffbf9ff>]
186: [8<ffbfdffffffbfdff>]
187: [8<ffffdffffffbfdff>]
188: [8<ffffdffffffffdff>]
189: [8<fffffffffffffdff>]
190: [8<ffffffffffffffff>]]
191: [%mg
192: [8<8000000000000000>]
193: [8<0822080080228000>]
194: [8<0204081020408001>]
195: [8<40e0400000000000>]
196: [8<66999966>]
197: [8<8001000010080000>]
198: [8<81c36666c3810000>]
199: [8<f0e0c08000000000>]
200: [16<07c00f801f003e007c00f800f001e003c007800f001f003e007c00f801f003e0>]
201: [16<1f000f8007c003e001f000f8007c003e001f800fc007e003f001f8007c003e00>]
202: [8<c3c300000000c3c3>]
203: [16<0040008001000200040008001000200040008000000100020004000800100020>]
204: [16<0040002000100008000400020001800040002000100008000400020001000080>]
205: [16<1fc03fe07df0f8f8f07de03fc01f800fc01fe03ff07df8f87df03fe01fc00f80>]
206: [8<80>]
207: [8<8040201000000000>]
208: [8<84cc000048cc0000>]
209: [8<9900009900000000>]
210: [8<08040201804020100800020180002010>]
211: [8<2418814242811824>]
212: [8<66999966>]
213: [8<8000000008000000>]
214: [8<70f8d8f870000000>]
215: [8<0814224180402010>]
216: [8<aa00440a11a04400>]
217: [8<018245aa45820100>]
218: [8<221c224180808041>]
219: [8<88000000>]
220: [8<0855800080550800>]
221: [8<2844004482440044>]
222: [8<0810204080412214>]
223: [8<00>]]]def
224: /Dfill{
225: transform /maxy exch def /maxx exch def
226: transform /miny exch def /minx exch def
227: minx maxx gt{/minx maxx /maxx minx def def}if
228: miny maxy gt{/miny maxy /maxy miny def def}if
229: Dpatterns Dstipple 1 sub get exch 1 sub get
230: aload pop /stip exch def /stipw exch def /stiph 128 def
231: /imatrix[stipw 0 0 stiph 0 0]def
232: /tmatrix[stipw 0 0 stiph 0 0]def
233: /minx minx cvi stiph idiv stiph mul def
234: /miny miny cvi stipw idiv stipw mul def
235: gsave eoclip 0 setgray
236: miny stiph maxy{
237: tmatrix exch 5 exch put
238: minx stipw maxx{
239: tmatrix exch 4 exch put tmatrix setmatrix
240: stipw stiph true imatrix {stip} imagemask
241: }for
242: }for
243: grestore
244: }def
245: /Dp{Dfill Dstroke}def
246: /DP{Dfill currentpoint newpath moveto}def
247: end
248:
249: /ditstart{$DITroff begin
250: /nfonts 60 def % NFONTS makedev/ditroff dependent!
251: /fonts[nfonts{0}repeat]def
252: /fontnames[nfonts{()}repeat]def
253: /docsave save def
254: }def
255:
256: % character outcalls
257: /oc{
258: /pswid exch def /cc exch def /name exch def
259: /ditwid pswid fontsize mul resolution mul 72000 div def
260: /ditsiz fontsize resolution mul 72 div def
261: ocprocs name known{ocprocs name get exec}{name cb}ifelse
262: }def
263: /fractm [.65 0 0 .6 0 0] def
264: /fraction{
265: /fden exch def /fnum exch def gsave /cf currentfont def
266: cf fractm makefont setfont 0 .3 dm 2 copy neg rmoveto
267: fnum show rmoveto currentfont cf setfont(\244)show setfont fden show
268: grestore ditwid 0 rmoveto
269: }def
270: /oce{grestore ditwid 0 rmoveto}def
271: /dm{ditsiz mul}def
272: /ocprocs 50 dict def ocprocs begin
273: (14){(1)(4)fraction}def
274: (12){(1)(2)fraction}def
275: (34){(3)(4)fraction}def
276: (13){(1)(3)fraction}def
277: (23){(2)(3)fraction}def
278: (18){(1)(8)fraction}def
279: (38){(3)(8)fraction}def
280: (58){(5)(8)fraction}def
281: (78){(7)(8)fraction}def
282: (sr){gsave 0 .06 dm rmoveto(\326)show oce}def
283: (is){gsave 0 .15 dm rmoveto(\362)show oce}def
284: (->){gsave 0 .02 dm rmoveto(\256)show oce}def
285: (<-){gsave 0 .02 dm rmoveto(\254)show oce}def
286: (==){gsave 0 .05 dm rmoveto(\272)show oce}def
287: (uc){gsave currentpoint 400 .009 dm mul add translate
288: 8 -8 scale ucseal oce}def
289: end
290:
291: % an attempt at a PostScript FONT to implement ditroff special chars
292: % this will enable us to
293: % cache the little buggers
294: % generate faster, more compact PS out of psdit
295: % confuse everyone (including myself)!
296: 50 dict dup begin
297: /FontType 3 def
298: /FontName /DIThacks def
299: /FontMatrix [.001 0 0 .001 0 0] def
300: /FontBBox [-260 -260 900 900] def% a lie but ...
301: /Encoding 256 array def
302: 0 1 255{Encoding exch /.notdef put}for
303: Encoding
304: dup 8#040/space put %space
305: dup 8#110/rc put %right ceil
306: dup 8#111/lt put %left top curl
307: dup 8#112/bv put %bold vert
308: dup 8#113/lk put %left mid curl
309: dup 8#114/lb put %left bot curl
310: dup 8#115/rt put %right top curl
311: dup 8#116/rk put %right mid curl
312: dup 8#117/rb put %right bot curl
313: dup 8#120/rf put %right floor
314: dup 8#121/lf put %left floor
315: dup 8#122/lc put %left ceil
316: dup 8#140/sq put %square
317: dup 8#141/bx put %box
318: dup 8#142/ci put %circle
319: dup 8#143/br put %box rule
320: dup 8#144/rn put %root extender
321: dup 8#145/vr put %vertical rule
322: dup 8#146/ob put %outline bullet
323: dup 8#147/bu put %bullet
324: dup 8#150/ru put %rule
325: dup 8#151/ul put %underline
326: pop
327: /DITfd 100 dict def
328: /BuildChar{0 begin
329: /cc exch def /fd exch def
330: /charname fd /Encoding get cc get def
331: /charwid fd /Metrics get charname get def
332: /charproc fd /CharProcs get charname get def
333: charwid 0 fd /FontBBox get aload pop setcachedevice
334: 2 setlinejoin 40 setlinewidth
335: newpath 0 0 moveto gsave charproc grestore
336: end}def
337: /BuildChar load 0 DITfd put
338: /CharProcs 50 dict def
339: CharProcs begin
340: /space{}def
341: /.notdef{}def
342: /ru{500 0 rls}def
343: /rn{0 840 moveto 500 0 rls}def
344: /vr{0 800 moveto 0 -770 rls}def
345: /bv{0 800 moveto 0 -1000 rls}def
346: /br{0 840 moveto 0 -1000 rls}def
347: /ul{0 -140 moveto 500 0 rls}def
348: /ob{200 250 rmoveto currentpoint newpath 200 0 360 arc closepath stroke}def
349: /bu{200 250 rmoveto currentpoint newpath 200 0 360 arc closepath fill}def
350: /sq{80 0 rmoveto currentpoint dround newpath moveto
351: 640 0 rlineto 0 640 rlineto -640 0 rlineto closepath stroke}def
352: /bx{80 0 rmoveto currentpoint dround newpath moveto
353: 640 0 rlineto 0 640 rlineto -640 0 rlineto closepath fill}def
354: /ci{500 360 rmoveto currentpoint newpath 333 0 360 arc
355: 50 setlinewidth stroke}def
356:
357: /lt{0 -200 moveto 0 550 rlineto currx 800 2cx s4 add exch s4 a4p stroke}def
358: /lb{0 800 moveto 0 -550 rlineto currx -200 2cx s4 add exch s4 a4p stroke}def
359: /rt{0 -200 moveto 0 550 rlineto currx 800 2cx s4 sub exch s4 a4p stroke}def
360: /rb{0 800 moveto 0 -500 rlineto currx -200 2cx s4 sub exch s4 a4p stroke}def
361: /lk{0 800 moveto 0 300 -300 300 s4 arcto pop pop 1000 sub
362: 0 300 4 2 roll s4 a4p 0 -200 lineto stroke}def
363: /rk{0 800 moveto 0 300 s2 300 s4 arcto pop pop 1000 sub
364: 0 300 4 2 roll s4 a4p 0 -200 lineto stroke}def
365: /lf{0 800 moveto 0 -1000 rlineto s4 0 rls}def
366: /rf{0 800 moveto 0 -1000 rlineto s4 neg 0 rls}def
367: /lc{0 -200 moveto 0 1000 rlineto s4 0 rls}def
368: /rc{0 -200 moveto 0 1000 rlineto s4 neg 0 rls}def
369: end
370:
371: /Metrics 50 dict def Metrics begin
372: /.notdef 0 def
373: /space 500 def
374: /ru 500 def
375: /br 0 def
376: /lt 416 def
377: /lb 416 def
378: /rt 416 def
379: /rb 416 def
380: /lk 416 def
381: /rk 416 def
382: /rc 416 def
383: /lc 416 def
384: /rf 416 def
385: /lf 416 def
386: /bv 416 def
387: /ob 350 def
388: /bu 350 def
389: /ci 750 def
390: /bx 750 def
391: /sq 750 def
392: /rn 500 def
393: /ul 500 def
394: /vr 0 def
395: end
396:
397: DITfd begin
398: /s2 500 def /s4 250 def /s3 333 def
399: /a4p{arcto pop pop pop pop}def
400: /2cx{2 copy exch}def
401: /rls{rlineto stroke}def
402: /currx{currentpoint pop}def
403: /dround{transform round exch round exch itransform} def
404: end
405: end
406: /DIThacks exch definefont pop
407: ditstart
408: (psc)xT
409: 576 1 1 xr
410: 1(Times-Roman)xf 1 f
411: 2(Times-Italic)xf 2 f
412: 3(Times-Bold)xf 3 f
413: 4(Times-BoldItalic)xf 4 f
414: 5(Helvetica)xf 5 f
415: 6(Helvetica-Bold)xf 6 f
416: 7(Courier)xf 7 f
417: 8(Courier-Bold)xf 8 f
418: 9(Symbol)xf 9 f
419: 10(DIThacks)xf 10 f
420: 10 s
421: 1 f
422: xi
423: %%EndProlog
424:
425: %%Page: 1 1
426: 10 s 10 xH 0 xS 1 f
427: 11 s
428: 3 f
429: 14 s
430: 1420 1144(Tcl:)N
431: 1669(An)X
432: 1840(Embeddable)X
433: 2471(Command)X
434: 3004(Language)X
435: 2 f
436: 12 s
437: 2070 1469(John)N
438: 2281(K.)X
439: 2393(Ousterhout)X
440: 1 f
441: 1916 1794(Computer)N
442: 2325(Science)X
443: 2649(Division)X
444: 1548 1893 0.3542(Electrical)AN
445: 1943(Engineering)X
446: 2438(and)X
447: 2601(Computer)X
448: 3010(Sciences)X
449: 1752 1992(University)N
450: 2182(of)X
451: 2286(California)X
452: 2701(at)X
453: 2795(Berkeley)X
454: 2051 2091(Berkeley,)N
455: 2447(CA)X
456: 2604(94720)X
457: 1920 2190([email protected])N
458: 3 f
459: 2187 2614(ABSTRACT)N
460: 1 f
461: 11 s
462: 1040 2878(Tcl)N
463: 1182(is)X
464: 1265(an)X
465: 1372(interpreter)X
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467: 1887(a)X
468: 1949(tool)X
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471: 2866(It)X
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473: 3245(of)X
474: 3341(a)X
475: 3403(library)X
476: 3661(pack-)X
477: 1040 2977(age)N
478: 1199(that)X
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481: 1864(in)X
482: 1970(tools)X
483: 2179(\(such)X
484: 2406(as)X
485: 2515(editors,)X
486: 2813(debuggers,)X
487: 3232(etc.\))X
488: 3422(as)X
489: 3531(the)X
490: 3675(basic)X
491: 1040 3076(command)N
492: 1418(interpreter.)X
493: 1858(Tcl)X
494: 2005(provides)X
495: 2337(\(a\))X
496: 2463(a)X
497: 2531(parser)X
498: 2774(for)X
499: 2905(a)X
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501: 3238(textual)X
502: 3508(command)X
503: 1040 3175(language,)N
504: 1414(\(b\))X
505: 1550(a)X
506: 1623(collection)X
507: 2006(of)X
508: 2113(built-in)X
509: 2408(utility)X
510: 2655(commands,)X
511: 3093(and)X
512: 3254(\(c\))X
513: 3384(a)X
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517: 1201(tools)X
518: 1401(use)X
519: 1546(to)X
520: 1642(augment)X
521: 1973(the)X
522: 2108(built-in)X
523: 2396(commands)X
524: 2805(with)X
525: 2989(tool-speci\256c)X
526: 3452(commands.)X
527: 1040 3373(Tcl)N
528: 1187(is)X
529: 1275(particularly)X
530: 1711(attractive)X
531: 2069(when)X
532: 2288(integrated)X
533: 2670(with)X
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536: 3262(library)X
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538: 3628(a)X
539: 3695(win-)X
540: 1040 3472(dow)N
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546: 2806(of)X
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556: 2896(etc;)X
557: 3073(it)X
558: 3150(allows)X
559: 3407(users)X
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1314: 720 1200(approach)N
1315: 1065(is)X
1316: 1147(to)X
1317: 1239(borrow)X
1318: 1515(an)X
1319: 1621(existing)X
1320: 1924(language)X
1321: 2265(and)X
1322: 2415(concentrate)X
1323: 2844(on)X
1324: 2955(providing)X
1325: 3321(a)X
1326: 3382(convenient)X
1327: 3791(framework)X
1328: 720 1299(for)N
1329: 852(the)X
1330: 990(use)X
1331: 1137(of)X
1332: 1240(that)X
1333: 1403(language.)X
1334: 1795(However,)X
1335: 2168(the)X
1336: 2306(environment)X
1337: 2782(for)X
1338: 2914(an)X
1339: 3026(embeddable)X
1340: 3481(command)X
1341: 3858(language)X
1342: 720 1398(presents)N
1343: 1038(an)X
1344: 1150(unusual)X
1345: 1453(set)X
1346: 1580(of)X
1347: 1682(constraints)X
1348: 2093(on)X
1349: 2210(the)X
1350: 2347(language,)X
1351: 2716(which)X
1352: 2960(are)X
1353: 3096(described)X
1354: 3462(below.)X
1355: 3750(I)X
1356: 3808(eventually)X
1357: 720 1497(decided)N
1358: 1020(that)X
1359: 1179(a)X
1360: 1244(new)X
1361: 1415(language)X
1362: 1758(designed)X
1363: 2096(from)X
1364: 2292(scratch)X
1365: 2566(could)X
1366: 2787(probably)X
1367: 3125(meet)X
1368: 3322(the)X
1369: 3455(constraints)X
1370: 3862(with)X
1371: 4044(less)X
1372: 720 1596 0.2885(implementation)AN
1373: 1298(effort)X
1374: 1515(than)X
1375: 1689(any)X
1376: 1838(existing)X
1377: 2140(language.)X
1378: 920 1728(Tcl)N
1379: 1065(is)X
1380: 1151(unusual)X
1381: 1452(because)X
1382: 1757(it)X
1383: 1834(presents)X
1384: 2149(two)X
1385: 2308(different)X
1386: 2638(interfaces:)X
1387: 3054(a)X
1388: 3120(textual)X
1389: 3388(interface)X
1390: 3723(to)X
1391: 3819(users)X
1392: 4025(who)X
1393: 720 1827(issue)N
1394: 934(Tcl)X
1395: 1090(commands,)X
1396: 1532(and)X
1397: 1697(a)X
1398: 1774(procedural)X
1399: 2188(interface)X
1400: 2534(to)X
1401: 2641(the)X
1402: 2787(applications)X
1403: 3251(in)X
1404: 3357(which)X
1405: 3609(it)X
1406: 3696(is)X
1407: 3792(embedded.)X
1408: 720 1926(Each)N
1409: 919(of)X
1410: 1015(these)X
1411: 1219(interfaces)X
1412: 1584(must)X
1413: 1779(be)X
1414: 1885(simple,)X
1415: 2166(powerful,)X
1416: 2527(and)X
1417: 2676(ef\256cient.)X
1418: 3031(There)X
1419: 3258(were)X
1420: 3450(four)X
1421: 3618(major)X
1422: 3846(factors)X
1423: 4107(in)X
1424: 720 2025(the)N
1425: 850(language)X
1426: 1190(design:)X
1427: 720 2157([1])N
1428: 3 f
1429: 920(The)X
1430: 1092(language)X
1431: 1454(is)X
1432: 1537(for)X
1433: 1673(commands.)X
1434: 1 f
1435: 2146(Almost)X
1436: 2430(all)X
1437: 2543(Tcl)X
1438: 2685(``programs'')X
1439: 3157(will)X
1440: 3319(be)X
1441: 3426(short,)X
1442: 3648(many)X
1443: 3868(only)X
1444: 4049(one)X
1445: 920 2256(line)N
1446: 1079(long.)X
1447: 1306(Most)X
1448: 1513(programs)X
1449: 1871(will)X
1450: 2035(be)X
1451: 2144(typed)X
1452: 2366(in,)X
1453: 2483(executed)X
1454: 2822(once)X
1455: 3014(or)X
1456: 3113(perhaps)X
1457: 3412(a)X
1458: 3477(few)X
1459: 3633(times,)X
1460: 3872(and)X
1461: 4024(then)X
1462: 920 2355(discarded.)N
1463: 1327(This)X
1464: 1510(suggests)X
1465: 1834(that)X
1466: 1993(the)X
1467: 2127(language)X
1468: 2471(should)X
1469: 2732(have)X
1470: 2924(a)X
1471: 2989(simple)X
1472: 3251(syntax)X
1473: 3506(so)X
1474: 3609(that)X
1475: 3767(it)X
1476: 3842(is)X
1477: 3926(easy)X
1478: 4107(to)X
1479: 920 2454(type)N
1480: 1102(commands.)X
1481: 1558(Most)X
1482: 1769(existing)X
1483: 2079(programming)X
1484: 2589(languages)X
1485: 2971(have)X
1486: 3167(complex)X
1487: 3501(syntax;)X
1488: 3808(the)X
1489: 3946(syntax)X
1490: 920 2553(is)N
1491: 1025(helpful)X
1492: 1321(when)X
1493: 1557(writing)X
1494: 1858(long)X
1495: 2061(programs)X
1496: 2439(but)X
1497: 2598(would)X
1498: 2864(be)X
1499: 2992(clumsy)X
1500: 3292(if)X
1501: 3391(used)X
1502: 3597(for)X
1503: 3744(a)X
1504: 3828(command)X
1505: 920 2652(language.)N
1506: 720 2784([2])N
1507: 3 f
1508: 920(The)X
1509: 1092(language)X
1510: 1455(must)X
1511: 1665(be)X
1512: 1778(programmable.)X
1513: 1 f
1514: 2409(It)X
1515: 2488(should)X
1516: 2748(contain)X
1517: 3032(general)X
1518: 3315(programming)X
1519: 3819(constructs)X
1520: 920 2883(such)N
1521: 1109(as)X
1522: 1210(variables,)X
1523: 1578(procedures,)X
1524: 2013(conditionals,)X
1525: 2495(and)X
1526: 2650(loops,)X
1527: 2891(so)X
1528: 2997(that)X
1529: 3158(users)X
1530: 3366(can)X
1531: 3516(extend)X
1532: 3779(the)X
1533: 3915(built-in)X
1534: 920 2982(command)N
1535: 1293(set)X
1536: 1416(by)X
1537: 1528(writing)X
1538: 1807(Tcl)X
1539: 1949(procedures.)X
1540: 2402 0.2760(Extensibility)AX
1541: 2879(also)X
1542: 3045(argues)X
1543: 3298(for)X
1544: 3424(a)X
1545: 3487(simple)X
1546: 3747(syntax:)X
1547: 4048(this)X
1548: 920 3081(makes)N
1549: 1167(it)X
1550: 1239(easier)X
1551: 1466(for)X
1552: 1590(Tcl)X
1553: 1730(programs)X
1554: 2084(to)X
1555: 2175(generate)X
1556: 2495(other)X
1557: 2698(Tcl)X
1558: 2838(programs.)X
1559: 720 3213([3])N
1560: 3 f
1561: 920(The)X
1562: 1097(language)X
1563: 1465(must)X
1564: 1680(permit)X
1565: 1963(a)X
1566: 2036(simple)X
1567: 2310(and)X
1568: 2481(ef\256cient)X
1569: 2808(interpreter.)X
1570: 1 f
1571: 3296(For)X
1572: 3447(the)X
1573: 3584(Tcl)X
1574: 3731(library)X
1575: 3995(to)X
1576: 4093(be)X
1577: 920 3312(included)N
1578: 1247(in)X
1579: 1339(many)X
1580: 1558(small)X
1581: 1772(programs,)X
1582: 2148(particularly)X
1583: 2577(on)X
1584: 2687(machines)X
1585: 3042(without)X
1586: 3334(shared-library)X
1587: 3849(facilities,)X
1588: 920 3411(the)N
1589: 1058(interpreter)X
1590: 1455(must)X
1591: 1657(not)X
1592: 1800(occupy)X
1593: 2084(much)X
1594: 2310(memory.)X
1595: 2678(The)X
1596: 2845(mechanism)X
1597: 3276(for)X
1598: 3407(interpreting)X
1599: 3848(Tcl)X
1600: 3995(com-)X
1601: 920 3510(mands)N
1602: 1179(must)X
1603: 1380(be)X
1604: 1492(fast)X
1605: 1648(enough)X
1606: 1936(to)X
1607: 2034(be)X
1608: 2146(usable)X
1609: 2400(for)X
1610: 2531(events)X
1611: 2785(that)X
1612: 2947(occur)X
1613: 3171(hundreds)X
1614: 3522(of)X
1615: 3623(times)X
1616: 3843(a)X
1617: 3910(second,)X
1618: 920 3609(such)N
1619: 1103(as)X
1620: 1198(mouse)X
1621: 1450(motion.)X
1622: 720 3741([4])N
1623: 3 f
1624: 920(The)X
1625: 1097(language)X
1626: 1465(must)X
1627: 1680(permit)X
1628: 1964(a)X
1629: 2038(simple)X
1630: 2313(interface)X
1631: 2675(to)X
1632: 2778(C)X
1633: 2871(applications.)X
1634: 1 f
1635: 3401(It)X
1636: 3485(must)X
1637: 3687(be)X
1638: 3800(easy)X
1639: 3986(for)X
1640: 4117(C)X
1641: 920 3840(applications)N
1642: 1380(to)X
1643: 1482(invoke)X
1644: 1755(the)X
1645: 1896(interpreter)X
1646: 2296(and)X
1647: 2456(easy)X
1648: 2645(for)X
1649: 2780(them)X
1650: 2990(to)X
1651: 3092(extend)X
1652: 3360(the)X
1653: 3501(built-in)X
1654: 3794(commands)X
1655: 920 3939(with)N
1656: 1104(application-speci\256c)X
1657: 1822(commands.)X
1658: 2275(This)X
1659: 2459(factor)X
1660: 2691(was)X
1661: 2854(one)X
1662: 3008(of)X
1663: 3108(the)X
1664: 3242(reasons)X
1665: 3531(why)X
1666: 3708(I)X
1667: 3763(decided)X
1668: 4063(not)X
1669: 920 4038(to)N
1670: 1024(use)X
1671: 1176(Lisp)X
1672: 1368(as)X
1673: 1476(the)X
1674: 1619(command)X
1675: 2002(language:)X
1676: 2402(Lisp's)X
1677: 2657(basic)X
1678: 2873(data)X
1679: 3055(types)X
1680: 3276(and)X
1681: 3437(storage)X
1682: 3725(management)X
1683: 920 4137(mechanisms)N
1684: 1385(are)X
1685: 1521(so)X
1686: 1628(different)X
1687: 1960(than)X
1688: 2141(those)X
1689: 2356(of)X
1690: 2458(C)X
1691: 2546(that)X
1692: 2708(it)X
1693: 2787(would)X
1694: 3036(be)X
1695: 3148(dif\256cult)X
1696: 3457(to)X
1697: 3555(build)X
1698: 3766(a)X
1699: 3834(clean)X
1700: 4049(and)X
1701: 920 4236(simple)N
1702: 1178(interface)X
1703: 1508(between)X
1704: 1823(them.)X
1705: 2066(For)X
1706: 2210(Tcl)X
1707: 2350(I)X
1708: 2401(used)X
1709: 2584(a)X
1710: 2645(data)X
1711: 2814(type)X
1712: 2988(\(string\))X
1713: 3269(that)X
1714: 3424(is)X
1715: 3505(natural)X
1716: 3772(to)X
1717: 3863(C.)X
1718: 3 f
1719: 720 4431(2.1.)N
1720: 896(Tcl)X
1721: 1041(Language)X
1722: 1435(Syntax)X
1723: 1 f
1724: 920 4563(Tcl's)N
1725: 1126(basic)X
1726: 1332(syntax)X
1727: 1587(is)X
1728: 1671(similar)X
1729: 1941(to)X
1730: 2034(that)X
1731: 2191(of)X
1732: 2288(the)X
1733: 2420(UNIX)X
1734: 2662(shells:)X
1735: 2912(a)X
1736: 2975(command)X
1737: 3347(consists)X
1738: 3650(of)X
1739: 3747(one)X
1740: 3898(or)X
1741: 3995(more)X
1742: 720 4662(\256elds)N
1743: 938(separated)X
1744: 1297(spaces)X
1745: 1553(or)X
1746: 1653(tabs.)X
1747: 1866(The)X
1748: 2030(\256rst)X
1749: 2194(\256eld)X
1750: 2378(is)X
1751: 2464(the)X
1752: 2599(name)X
1753: 2817(of)X
1754: 2917(a)X
1755: 2983(command,)X
1756: 3380(which)X
1757: 3622(may)X
1758: 3801(be)X
1759: 3910(either)X
1760: 4137(a)X
1761: 720 4761(built-in)N
1762: 1011(command,)X
1763: 1411(an)X
1764: 1524(application-speci\256c)X
1765: 2245(command,)X
1766: 2645(or)X
1767: 2747(a)X
1768: 2815(procedure)X
1769: 3195(consisting)X
1770: 3582(of)X
1771: 3684(a)X
1772: 3752(sequence)X
1773: 4103(of)X
1774: 720 4860(Tcl)N
1775: 861(commands.)X
1776: 1310(Fields)X
1777: 1549(after)X
1778: 1733(the)X
1779: 1864(\256rst)X
1780: 2023(one)X
1781: 2172(are)X
1782: 2301(passed)X
1783: 2557(to)X
1784: 2648(the)X
1785: 2778(command)X
1786: 3148(as)X
1787: 3243(arguments.)X
1788: 3676(Newline)X
1789: 3996(char-)X
1790: 720 4959(acters)N
1791: 951(are)X
1792: 1084(used)X
1793: 1271(as)X
1794: 1370(command)X
1795: 1744(separators,)X
1796: 2148(just)X
1797: 2302(as)X
1798: 2401(in)X
1799: 2496(the)X
1800: 2630(UNIX)X
1801: 2874(shells,)X
1802: 3123(and)X
1803: 3276(semi-colons)X
1804: 3728(may)X
1805: 3906(be)X
1806: 4015(used)X
1807: 720 5058(to)N
1808: 820(separate)X
1809: 1139(commands)X
1810: 1552(on)X
1811: 1671(the)X
1812: 1810(same)X
1813: 2022(line.)X
1814: 2230(Unlike)X
1815: 2501(the)X
1816: 2640(UNIX)X
1817: 2889(shells,)X
1818: 3143(each)X
1819: 3335(Tcl)X
1820: 3484(command)X
1821: 3863(returns)X
1822: 4137(a)X
1823: 720 5157(string)N
1824: 943(result,)X
1825: 1183(or)X
1826: 1278(the)X
1827: 1408(empty)X
1828: 1651(string)X
1829: 1874(if)X
1830: 1950(a)X
1831: 2011(return)X
1832: 2243(value)X
1833: 2456(isn't)X
1834: 2635(appropriate.)X
1835: 920 5289(There)N
1836: 1157(are)X
1837: 1296(four)X
1838: 1474(additional)X
1839: 1860(syntactic)X
1840: 2206(constructs)X
1841: 2595(in)X
1842: 2696(Tcl,)X
1843: 2868(which)X
1844: 3115(give)X
1845: 3299(the)X
1846: 3438(language)X
1847: 3787(a)X
1848: 3857(Lisp-like)X
1849: 720 5388(\257avor.)N
1850: 993(Curly)X
1851: 1218(braces)X
1852: 1466(are)X
1853: 1597(used)X
1854: 1782(to)X
1855: 1875(group)X
1856: 2104(complex)X
1857: 2432(arguments;)X
1858: 2870(they)X
1859: 3045(act)X
1860: 3171(as)X
1861: 3267(nestable)X
1862: 3579(quote)X
1863: 3798(characters.)X
1864: 720 5487(If)N
1865: 803(the)X
1866: 936(\256rst)X
1867: 1097(character)X
1868: 1443(of)X
1869: 1540(an)X
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1873: 2150(open)X
1874: 2345(brace,)X
1875: 2581(then)X
1876: 2757(the)X
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1878: 3246(is)X
1879: 3329(not)X
1880: 3466(terminated)X
1881: 3868(by)X
1882: 3980(white)X
1883: 720 5586(space.)N
1884: 969(Instead,)X
1885: 1277(it)X
1886: 1359(is)X
1887: 1450(terminated)X
1888: 1860(by)X
1889: 1980(the)X
1890: 2120(matching)X
1891: 2481(close)X
1892: 2694(brace.)X
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1894: 3127(argument)X
1895: 3491(passed)X
1896: 3756(to)X
1897: 3856(the)X
1898: 3995(com-)X
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1900: 955(consists)X
1901: 1273(of)X
1902: 1385(everything)X
1903: 1801(between)X
1904: 2133(the)X
1905: 2280(braces,)X
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1909: 3285(braces)X
1910: 3548(stripped)X
1911: 3870(off.)X
1912: 4054(For)X
1913: 720 5784(example,)N
1914: 1063(the)X
1915: 1193(command)X
1916: 3 f
1917: 2375 6048(-)N
1918: 2426(2)X
1919: 2492(-)X
1920:
1921: 3 p
1922: %%Page: 3 4
1923: 11 s 11 xH 0 xS 3 f
1924: 720 483(Tcl:)N
1925: 894(An)X
1926: 1028(Embeddable)X
1927: 1525(Command)X
1928: 1942(Language)X
1929: 3466(December)X
1930: 3868(22,)X
1931: 4000(1989)X
1932: 7 f
1933: 10 s
1934: 1040 771(set)N
1935: 1232(a)X
1936: 1328({dog)X
1937: 1568(cat)X
1938: 1760({horse)X
1939: 2096(cow)X
1940: 2288(mule})X
1941: 2576(bear})X
1942: 1 f
1943: 11 s
1944: 720 903(will)N
1945: 886(receive)X
1946: 1168(two)X
1947: 1328(arguments:)X
1948: 1748(``)X
1949: 7 f
1950: 1806(a)X
1951: 1 f
1952: 1859('')X
1953: 1945(and)X
1954: 2100(``)X
1955: 7 f
1956: 2158(dog)X
1957: 2376(cat)X
1958: 2594({horse)X
1959: 2970(cow)X
1960: 3187(mule})X
1961: 3510(bear)X
1962: 1 f
1963: 3722(''.)X
1964: 3851(This)X
1965: 4035(par-)X
1966: 720 1002(ticular)N
1967: 970(command)X
1968: 1342(will)X
1969: 1504(set)X
1970: 1626(the)X
1971: 1758(variable)X
1972: 7 f
1973: 2097(a)X
1974: 1 f
1975: 2174(to)X
1976: 2266(a)X
1977: 2328(string)X
1978: 2552(equal)X
1979: 2766(to)X
1980: 2858(the)X
1981: 2989(second)X
1982: 3256(argument.)X
1983: 3656(If)X
1984: 3737(an)X
1985: 3843(argument)X
1986: 720 1101(is)N
1987: 808(enclosed)X
1988: 1145(in)X
1989: 1243(braces,)X
1990: 1518(then)X
1991: 1699(none)X
1992: 1899(of)X
1993: 2001(the)X
1994: 2138(other)X
1995: 2348(substitutions)X
1996: 2824(described)X
1997: 3190(below)X
1998: 3433(is)X
1999: 3520(made)X
2000: 3739(on)X
2001: 3855(the)X
2002: 3991(argu-)X
2003: 720 1200(ment.)N
2004: 964(One)X
2005: 1133(of)X
2006: 1229(the)X
2007: 1360(most)X
2008: 1555(common)X
2009: 1886(uses)X
2010: 2059(of)X
2011: 2154(braces)X
2012: 2400(is)X
2013: 2481(to)X
2014: 2572(specify)X
2015: 2848(a)X
2016: 2909(Tcl)X
2017: 3049(subprogram)X
2018: 3491(as)X
2019: 3586(an)X
2020: 3691(argument)X
2021: 4046(to)X
2022: 4137(a)X
2023: 720 1299(Tcl)N
2024: 860(command.)X
2025: 920 1431(The)N
2026: 1079(second)X
2027: 1345(syntactic)X
2028: 1681(construct)X
2029: 2026(in)X
2030: 2117(Tcl)X
2031: 2257(is)X
2032: 2338(square)X
2033: 2589(brackets,)X
2034: 2926(which)X
2035: 3163(are)X
2036: 3292(used)X
2037: 3475(to)X
2038: 3566(invoke)X
2039: 3828(command)X
2040: 720 1530(substitution.)N
2041: 1207(If)X
2042: 1295(an)X
2043: 1408(open)X
2044: 1609(bracket)X
2045: 1898(appears)X
2046: 2196(in)X
2047: 2295(an)X
2048: 2408(argument,)X
2049: 2793(then)X
2050: 2974(everything)X
2051: 3380(from)X
2052: 3580(the)X
2053: 3717(open)X
2054: 3917(bracket)X
2055: 720 1629(up)N
2056: 841(to)X
2057: 943(the)X
2058: 1084(matching)X
2059: 1446(close)X
2060: 1660(bracket)X
2061: 1952(is)X
2062: 2043(treated)X
2063: 2315(as)X
2064: 2420(a)X
2065: 2491(command)X
2066: 2871(and)X
2067: 3030(executed)X
2068: 3375(recursively)X
2069: 3798(by)X
2070: 3918(the)X
2071: 4058(Tcl)X
2072: 720 1728(interpreter.)N
2073: 1170(The)X
2074: 1346(result)X
2075: 1581(of)X
2076: 1693(the)X
2077: 1839(command)X
2078: 2225(is)X
2079: 2322(then)X
2080: 2512(substituted)X
2081: 2933(into)X
2082: 3109(the)X
2083: 3255(argument)X
2084: 3626(in)X
2085: 3733(place)X
2086: 3957(of)X
2087: 4068(the)X
2088: 720 1827(bracketed)N
2089: 1084(string.)X
2090: 1351(For)X
2091: 1495(example,)X
2092: 1838(consider)X
2093: 2158(the)X
2094: 2288(command)X
2095: 7 f
2096: 10 s
2097: 1040 1959(set)N
2098: 1232(a)X
2099: 1328([format)X
2100: 1712({Santa)X
2101: 2048(Claus)X
2102: 2336(is)X
2103: 2480(%s)X
2104: 2624(years)X
2105: 2912(old})X
2106: 3152(99])X
2107: 1 f
2108: 11 s
2109: 720 2091(The)N
2110: 7 f
2111: 914(format)X
2112: 1 f
2113: 1258(command)X
2114: 1632(does)X
2115: 7 f
2116: 1849(printf)X
2117: 1 f
2118: 2167(-like)X
2119: 2354(formatting)X
2120: 2752(and)X
2121: 2904(returns)X
2122: 3173(the)X
2123: 3306(string)X
2124: 3532(``)X
2125: 7 f
2126: 3590(Santa)X
2127: 3911(Claus)X
2128: 720 2190(is)N
2129: 879(99)X
2130: 1038(years)X
2131: 1356(old)X
2132: 1 f
2133: 1515('',)X
2134: 1617(which)X
2135: 1854(is)X
2136: 1935(then)X
2137: 2109(passed)X
2138: 2365(to)X
2139: 7 f
2140: 2487(set)X
2141: 1 f
2142: 2668(and)X
2143: 2817(assigned)X
2144: 3142(to)X
2145: 3233(variable)X
2146: 7 f
2147: 3570(a)X
2148: 1 f
2149: 3623(.)X
2150: 920 2322(The)N
2151: 1083(third)X
2152: 1276(syntactic)X
2153: 1616(construct)X
2154: 1965(is)X
2155: 2050(the)X
2156: 2184(dollar)X
2157: 2416(sign,)X
2158: 2611(which)X
2159: 2852(is)X
2160: 2937(used)X
2161: 3124(for)X
2162: 3252(variable)X
2163: 3561(substitution.)X
2164: 4043(If)X
2165: 4126(it)X
2166: 720 2421(appears)N
2167: 1013(in)X
2168: 1106(an)X
2169: 1213(argument)X
2170: 1570(then)X
2171: 1746(the)X
2172: 1878(following)X
2173: 2245(characters)X
2174: 2625(are)X
2175: 2756(treated)X
2176: 3020(as)X
2177: 3117(a)X
2178: 3180(variable)X
2179: 3488(name;)X
2180: 3750(the)X
2181: 3882(contents)X
2182: 720 2520(of)N
2183: 819(the)X
2184: 953(variable)X
2185: 1263(are)X
2186: 1396(substituted)X
2187: 1804(into)X
2188: 1967(the)X
2189: 2100(argument)X
2190: 2458(in)X
2191: 2552(place)X
2192: 2763(of)X
2193: 2861(the)X
2194: 2994(dollar)X
2195: 3225(sign)X
2196: 3397(and)X
2197: 3549(name.)X
2198: 3809(For)X
2199: 3956(exam-)X
2200: 720 2619(ple,)N
2201: 872(the)X
2202: 1002(commands)X
2203: 7 f
2204: 10 s
2205: 1040 2751(set)N
2206: 1232(b)X
2207: 1328(99)X
2208: 1040 2850(set)N
2209: 1232(a)X
2210: 1328([format)X
2211: 1712({Santa)X
2212: 2048(Claus)X
2213: 2336(is)X
2214: 2480(%s)X
2215: 2624(years)X
2216: 2912(old})X
2217: 3152($b])X
2218: 1 f
2219: 11 s
2220: 720 2982(result)N
2221: 945(in)X
2222: 1043(the)X
2223: 1179(same)X
2224: 1388(\256nal)X
2225: 1573(value)X
2226: 1792(for)X
2227: 7 f
2228: 1953(a)X
2229: 1 f
2230: 2034(as)X
2231: 2135(the)X
2232: 2271(single)X
2233: 2510(command)X
2234: 2886(in)X
2235: 2983(the)X
2236: 3119(previous)X
2237: 3450(paragraph.)X
2238: 3873(Variable)X
2239: 720 3081(substitution)N
2240: 1164(isn't)X
2241: 1352(strictly)X
2242: 1629(necessary)X
2243: 2001(since)X
2244: 2213(there)X
2245: 2420(are)X
2246: 2558(other)X
2247: 2770(ways)X
2248: 2981(to)X
2249: 3081(achieve)X
2250: 3381(the)X
2251: 3520(same)X
2252: 3731(effect,)X
2253: 3983(but)X
2254: 4126(it)X
2255: 720 3180(reduces)N
2256: 1010(typing.)X
2257: 920 3312(The)N
2258: 1085(last)X
2259: 1236(syntactic)X
2260: 1578(construct)X
2261: 1929(is)X
2262: 2016(the)X
2263: 2152(backslash)X
2264: 2522(character,)X
2265: 2893(which)X
2266: 3135(may)X
2267: 3314(be)X
2268: 3424(used)X
2269: 3612(to)X
2270: 3708(insert)X
2271: 3931(special)X
2272: 720 3411(characters)N
2273: 1098(into)X
2274: 1258(arguments,)X
2275: 1669(such)X
2276: 1852(as)X
2277: 1947(curly)X
2278: 2150(braces)X
2279: 2396(or)X
2280: 2491(non-printing)X
2281: 2954(characters.)X
2282: 3 f
2283: 720 3606(2.2.)N
2284: 896(Data)X
2285: 1098(Types)X
2286: 1 f
2287: 920 3738(There)N
2288: 1159(is)X
2289: 1252(only)X
2290: 1443(one)X
2291: 1604(type)X
2292: 1789(of)X
2293: 1895(data)X
2294: 2075(in)X
2295: 2177(Tcl:)X
2296: 2375(strings.)X
2297: 2687(All)X
2298: 2833(commands,)X
2299: 3270(arguments)X
2300: 3670(to)X
2301: 3772(commands,)X
2302: 720 3837(results)N
2303: 999(returned)X
2304: 1341(by)X
2305: 1478(commands,)X
2306: 1931(and)X
2307: 2106(variable)X
2308: 2438(values)X
2309: 2711(are)X
2310: 2866(ASCII)X
2311: 3143(strings.)X
2312: 3470(The)X
2313: 3655(use)X
2314: 3820(of)X
2315: 3941(strings)X
2316: 720 3936(throughout)N
2317: 1135(Tcl)X
2318: 1281(makes)X
2319: 1534(it)X
2320: 1612(easy)X
2321: 1796(to)X
2322: 1893(pass)X
2323: 2072(information)X
2324: 2517(back)X
2325: 2711(and)X
2326: 2866(forth)X
2327: 3064(between)X
2328: 3384(Tcl)X
2329: 3529(library)X
2330: 3791(procedures)X
2331: 720 4035(and)N
2332: 878(C)X
2333: 968(code)X
2334: 1164(in)X
2335: 1263(the)X
2336: 1401(enclosing)X
2337: 1769(application.)X
2338: 2236(It)X
2339: 2320(also)X
2340: 2492(makes)X
2341: 2747(it)X
2342: 2827(easier)X
2343: 3062(to)X
2344: 3161(pass)X
2345: 3342(Tcl-related)X
2346: 3759(information)X
2347: 720 4134(back)N
2348: 908(and)X
2349: 1057(forth)X
2350: 1250(between)X
2351: 1565(machines)X
2352: 1920(of)X
2353: 2015(different)X
2354: 2340(types.)X
2355: 920 4266(Although)N
2356: 1287(everything)X
2357: 1698(in)X
2358: 1800(Tcl)X
2359: 1951(is)X
2360: 2043(a)X
2361: 2115(string,)X
2362: 2371(many)X
2363: 2600(commands)X
2364: 3015(expect)X
2365: 3278(their)X
2366: 3473(string)X
2367: 3707(arguments)X
2368: 4107(to)X
2369: 720 4365(have)N
2370: 916(particular)X
2371: 1284(formats.)X
2372: 1627(There)X
2373: 1862(are)X
2374: 1999(three)X
2375: 2205(particularly)X
2376: 2642(common)X
2377: 2981(formats)X
2378: 3280(for)X
2379: 3412(strings:)X
2380: 3724(lists,)X
2381: 3918(expres-)X
2382: 720 4464(sions,)N
2383: 957(and)X
2384: 1118(commands.)X
2385: 1578(A)X
2386: 1675(list)X
2387: 1818(is)X
2388: 1911(just)X
2389: 2073(a)X
2390: 2146(string)X
2391: 2381(containing)X
2392: 2788(one)X
2393: 2949(or)X
2394: 3056(more)X
2395: 3270(\256elds)X
2396: 3494(separated)X
2397: 3859(by)X
2398: 3980(white)X
2399: 720 4563(space,)N
2400: 963(similar)X
2401: 1235(to)X
2402: 1330(a)X
2403: 1395(command.)X
2404: 1813(Curly)X
2405: 2040(braces)X
2406: 2290(may)X
2407: 2468(be)X
2408: 2577(used)X
2409: 2763(to)X
2410: 2857(enclose)X
2411: 3146(complex)X
2412: 3475(list)X
2413: 3609(elements;)X
2414: 3995(these)X
2415: 720 4662(complex)N
2416: 1046(list)X
2417: 1177(elements)X
2418: 1513(are)X
2419: 1642(often)X
2420: 1845(lists)X
2421: 2010(in)X
2422: 2101(their)X
2423: 2285(own)X
2424: 2458(right,)X
2425: 2669(as)X
2426: 2764(in)X
2427: 2855(Lisp.)X
2428: 3078(For)X
2429: 3222(example,)X
2430: 3565(the)X
2431: 3695(string)X
2432: 7 f
2433: 10 s
2434: 1040 4794(dog)N
2435: 1232(cat)X
2436: 1424({horse)X
2437: 1760(cow)X
2438: 1952(mule})X
2439: 2240(bear)X
2440: 1 f
2441: 11 s
2442: 720 4926(is)N
2443: 810(a)X
2444: 880(list)X
2445: 1020(with)X
2446: 1208(four)X
2447: 1385(elements,)X
2448: 1752(the)X
2449: 1891(third)X
2450: 2088(of)X
2451: 2191(which)X
2452: 2436(is)X
2453: 2525(a)X
2454: 2594(list)X
2455: 2733(with)X
2456: 2920(three)X
2457: 3126(elements.)X
2458: 3514(Tcl)X
2459: 3662(provides)X
2460: 3995(com-)X
2461: 720 5025(mands)N
2462: 982(for)X
2463: 1116(a)X
2464: 1187(number)X
2465: 1488(of)X
2466: 1593 0.2383(list-manipulation)AX
2467: 2229(operations,)X
2468: 2649(such)X
2469: 2841(as)X
2470: 2945(creating)X
2471: 3260(lists,)X
2472: 3456(extracting)X
2473: 3840(elements,)X
2474: 720 5124(and)N
2475: 869(computing)X
2476: 1269(list)X
2477: 1400(lengths.)X
2478: 920 5256(The)N
2479: 1089(second)X
2480: 1365(common)X
2481: 1706(form)X
2482: 1909(for)X
2483: 2043(a)X
2484: 2114(string)X
2485: 2347(is)X
2486: 2438(a)X
2487: 2509(numeric)X
2488: 2830(expression.)X
2489: 3281(Tcl)X
2490: 3430(expressions)X
2491: 3871(have)X
2492: 4068(the)X
2493: 720 5355(same)N
2494: 927(operators)X
2495: 1280(and)X
2496: 1433(precedence)X
2497: 1854(as)X
2498: 1953(expressions)X
2499: 2389(in)X
2500: 2484(C.)X
2501: 2612(The)X
2502: 7 f
2503: 2805(expr)X
2504: 1 f
2505: 3042(Tcl)X
2506: 3185(command)X
2507: 3558(evaluates)X
2508: 3911(a)X
2509: 3975(string)X
2510: 720 5454(as)N
2511: 815(an)X
2512: 920(expression)X
2513: 1318(and)X
2514: 1467(returns)X
2515: 1733(the)X
2516: 1863(result)X
2517: 2081(\(as)X
2518: 2205(a)X
2519: 2266(string,)X
2520: 2511(of)X
2521: 2606(course\).)X
2522: 2930(For)X
2523: 3074(example,)X
2524: 3417(the)X
2525: 3547(command)X
2526: 7 f
2527: 10 s
2528: 1040 5586(expr)N
2529: 1280({\($a)X
2530: 1520(<)X
2531: 1616($b\))X
2532: 1808(||)X
2533: 1952(\($c)X
2534: 2144(!=)X
2535: 2288(0\)})X
2536: 1 f
2537: 11 s
2538: 720 5718(returns)N
2539: 988(``)X
2540: 7 f
2541: 1046(1)X
2542: 1 f
2543: 1099('')X
2544: 1181(if)X
2545: 1259(the)X
2546: 1391(numeric)X
2547: 1704(value)X
2548: 1919(of)X
2549: 2016(variable)X
2550: 7 f
2551: 2354(a)X
2552: 1 f
2553: 2430(is)X
2554: 2512(less)X
2555: 2667(than)X
2556: 2842(that)X
2557: 2998(of)X
2558: 3094(variable)X
2559: 7 f
2560: 3432(b)X
2561: 1 f
2562: 3485(,)X
2563: 3530(or)X
2564: 3626(if)X
2565: 3703(variable)X
2566: 7 f
2567: 4041(c)X
2568: 1 f
2569: 4117(is)X
2570: 3 f
2571: 2375 6048(-)N
2572: 2426(3)X
2573: 2492(-)X
2574:
2575: 4 p
2576: %%Page: 4 5
2577: 11 s 11 xH 0 xS 3 f
2578: 720 483(Tcl:)N
2579: 894(An)X
2580: 1028(Embeddable)X
2581: 1525(Command)X
2582: 1942(Language)X
2583: 3466(December)X
2584: 3868(22,)X
2585: 4000(1989)X
2586: 1 f
2587: 720 771(zero;)N
2588: 946(otherwise)X
2589: 1316(it)X
2590: 1394(returns)X
2591: 1666(``)X
2592: 7 f
2593: 1724(0)X
2594: 1 f
2595: 1777(''.)X
2596: 1907(Several)X
2597: 2199(other)X
2598: 2408(commands,)X
2599: 2840(such)X
2600: 3029(as)X
2601: 7 f
2602: 3161(if)X
2603: 1 f
2604: 3295(and)X
2605: 7 f
2606: 3481(for)X
2607: 1 f
2608: 3640(,)X
2609: 3690(expect)X
2610: 3948(one)X
2611: 4103(or)X
2612: 720 870(more)N
2613: 923(of)X
2614: 1018(their)X
2615: 1202(arguments)X
2616: 1591(to)X
2617: 1682(be)X
2618: 1787(expressions.)X
2619: 920 1002(The)N
2620: 1089(third)X
2621: 1288(common)X
2622: 1629(interpretation)X
2623: 2137(of)X
2624: 2242(strings)X
2625: 2509(is)X
2626: 2600(as)X
2627: 2705(commands)X
2628: 3119(\(or)X
2629: 3252(sequences)X
2630: 3639(of)X
2631: 3743(commands\).)X
2632: 720 1101(Arguments)N
2633: 1138(of)X
2634: 1238(this)X
2635: 1392(form)X
2636: 1589(are)X
2637: 1722(used)X
2638: 1909(in)X
2639: 2004(Tcl)X
2640: 2148(commands)X
2641: 2556(that)X
2642: 2715(implement)X
2643: 3120(control)X
2644: 3396(structures.)X
2645: 3808(For)X
2646: 3956(exam-)X
2647: 720 1200(ple,)N
2648: 872(consider)X
2649: 1192(the)X
2650: 1322(following)X
2651: 1687(command:)X
2652: 7 f
2653: 10 s
2654: 1040 1332(if)N
2655: 1184({$a)X
2656: 1376(<)X
2657: 1472($b})X
2658: 1664({)X
2659: 1266 1431(set)N
2660: 1458(tmp)X
2661: 1650($a)X
2662: 1266 1530(set)N
2663: 1458(a)X
2664: 1554($b)X
2665: 1266 1629(set)N
2666: 1458(b)X
2667: 1554($tmp)X
2668: 1040 1728(})N
2669: 1 f
2670: 11 s
2671: 720 1893(The)N
2672: 7 f
2673: 912(if)X
2674: 1 f
2675: 1042(command)X
2676: 1414(receives)X
2677: 1726(two)X
2678: 1882(arguments)X
2679: 2273(here,)X
2680: 2470(each)X
2681: 2655(of)X
2682: 2752(which)X
2683: 2991(is)X
2684: 3074(delimited)X
2685: 3433(by)X
2686: 3544(curly)X
2687: 3748(braces.)X
2688: 7 f
2689: 4070(If)X
2690: 1 f
2691: 720 1992(is)N
2692: 806(a)X
2693: 872(built-in)X
2694: 1160(command)X
2695: 1535(that)X
2696: 1695(evaluates)X
2697: 2050(its)X
2698: 2161(\256rst)X
2699: 2325(argument)X
2700: 2685(as)X
2701: 2785(an)X
2702: 2894(expression;)X
2703: 3321(if)X
2704: 3401(the)X
2705: 3535(result)X
2706: 3757(is)X
2707: 3842(non-zero,)X
2708: 7 f
2709: 720 2091(if)N
2710: 1 f
2711: 853(executes)X
2712: 1183(its)X
2713: 1294(second)X
2714: 1565(argument)X
2715: 1925(as)X
2716: 2025(a)X
2717: 2091(Tcl)X
2718: 2236(command.)X
2719: 2655(This)X
2720: 2839(particular)X
2721: 3203(command)X
2722: 3577(swaps)X
2723: 3817(the)X
2724: 3951(values)X
2725: 720 2190(of)N
2726: 815(the)X
2727: 945(variables)X
2728: 7 f
2729: 1316(a)X
2730: 1 f
2731: 1391(and)X
2732: 7 f
2733: 1571(b)X
2734: 1 f
2735: 1646(if)X
2736: 7 f
2737: 1753(a)X
2738: 1 f
2739: 1828(is)X
2740: 1909(less)X
2741: 2063(than)X
2742: 7 f
2743: 2268(b)X
2744: 1 f
2745: 2321(.)X
2746: 920 2322(Tcl)N
2747: 1060(also)X
2748: 1224(allows)X
2749: 1476(users)X
2750: 1678(to)X
2751: 1769(de\256ne)X
2752: 2006(command)X
2753: 2376(procedures)X
2754: 2783(written)X
2755: 3055(in)X
2756: 3146(the)X
2757: 3276(Tcl)X
2758: 3416(language.)X
2759: 3800(I)X
2760: 3851(will)X
2761: 4011(refer)X
2762: 720 2421(to)N
2763: 815(these)X
2764: 1022(procedures)X
2765: 1433(as)X
2766: 2 f
2767: 1532(tclproc)X
2768: 1 f
2769: 1782('s,)X
2770: 1893(in)X
2771: 1988(order)X
2772: 2199(to)X
2773: 2294(distinguish)X
2774: 2708(them)X
2775: 2911(from)X
2776: 3108(other)X
2777: 3315(procedures)X
2778: 3726(written)X
2779: 4001(in)X
2780: 4095(C.)X
2781: 720 2520(The)N
2782: 7 f
2783: 919(proc)X
2784: 1 f
2785: 1162(built-in)X
2786: 1453(command)X
2787: 1831(is)X
2788: 1920(used)X
2789: 2111(to)X
2790: 2210(create)X
2791: 2450(a)X
2792: 2519(tclproc.)X
2793: 2838(For)X
2794: 2990(example,)X
2795: 3341(here)X
2796: 3522(is)X
2797: 3611(a)X
2798: 3680(Tcl)X
2799: 3828(command)X
2800: 720 2619(that)N
2801: 875(de\256nes)X
2802: 1146(a)X
2803: 1207(recursive)X
2804: 1551(factorial)X
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3551: 3142 1927(Application-)N
3552: 1 f
3553: 13 s
3554: 2053 1506(Parser)N
3555: 3000 2039 MXY
3556: 0 -71 Dl
3557: 71 0 Dl
3558: 0 71 Dl
3559: -71 0 Dl
3560: 2858 MX
3561: 0 -71 Dl
3562: 71 0 Dl
3563: 0 71 Dl
3564: -71 0 Dl
3565: 2716 MX
3566: 0 -71 Dl
3567: 71 0 Dl
3568: 0 71 Dl
3569: -71 0 Dl
3570: 2574 MX
3571: 0 -71 Dl
3572: 71 0 Dl
3573: 0 71 Dl
3574: -71 0 Dl
3575: 2290 MX
3576: 0 -71 Dl
3577: 71 0 Dl
3578: 0 71 Dl
3579: -71 0 Dl
3580: 2148 MX
3581: 0 -71 Dl
3582: 71 0 Dl
3583: 0 71 Dl
3584: -71 0 Dl
3585: 2006 MX
3586: 0 -71 Dl
3587: 71 0 Dl
3588: 0 71 Dl
3589: -71 0 Dl
3590: 1864 MX
3591: 0 -71 Dl
3592: 71 0 Dl
3593: 0 71 Dl
3594: -71 0 Dl
3595: 1722 MX
3596: 0 -71 Dl
3597: 71 0 Dl
3598: 0 71 Dl
3599: -71 0 Dl
3600: 1 Dt
3601: 1757 MX
3602: 0 213 Dl
3603: 249 0 Dl
3604: 1899 2039 MXY
3605: 0 178 Dl
3606: 142 0 Dl
3607: 2006 2323 MXY
3608: 15 -24 Dl
3609: -15 9 Dl
3610: -16 -9 Dl
3611: 16 24 Dl
3612: 0 -71 Dl
3613: 2041 2323 MXY
3614: 16 -24 Dl
3615: -16 9 Dl
3616: -15 -9 Dl
3617: 15 24 Dl
3618: 0 -106 Dl
3619: 2039 MY
3620: 0 142 Dl
3621: 36 0 Dl
3622: 2323 MY
3623: 15 -24 Dl
3624: -15 9 Dl
3625: -16 -9 Dl
3626: 16 24 Dl
3627: 0 -142 Dl
3628: 3036 2039 MXY
3629: 0 213 Dl
3630: -746 0 Dl
3631: 2323 MY
3632: 16 -24 Dl
3633: -16 9 Dl
3634: -16 -9 Dl
3635: 16 24 Dl
3636: 0 -71 Dl
3637: 2894 2039 MXY
3638: 0 178 Dl
3639: -640 0 Dl
3640: 2323 MY
3641: 16 -24 Dl
3642: -16 9 Dl
3643: -15 -9 Dl
3644: 15 24 Dl
3645: 0 -106 Dl
3646: 2752 2039 MXY
3647: 0 142 Dl
3648: -533 0 Dl
3649: 2323 MY
3650: 16 -24 Dl
3651: -16 9 Dl
3652: -16 -9 Dl
3653: 16 24 Dl
3654: 0 -142 Dl
3655: 2610 2039 MXY
3656: 0 107 Dl
3657: -427 0 Dl
3658: 2323 MY
3659: 16 -24 Dl
3660: -16 9 Dl
3661: -15 -9 Dl
3662: 15 24 Dl
3663: 0 -177 Dl
3664: 2326 2039 MXY
3665: 0 71 Dl
3666: -178 0 Dl
3667: 2323 MY
3668: 16 -24 Dl
3669: -16 9 Dl
3670: -16 -9 Dl
3671: 16 24 Dl
3672: 0 -213 Dl
3673: 2183 2039 MXY
3674: 0 35 Dl
3675: -71 0 Dl
3676: 2323 MY
3677: 16 -24 Dl
3678: -16 9 Dl
3679: -15 -9 Dl
3680: 15 24 Dl
3681: 0 -249 Dl
3682: 2326 1968 MXY
3683: 15 -25 Dl
3684: -15 9 Dl
3685: -16 -9 Dl
3686: 16 25 Dl
3687: 0 -107 Dl
3688: 2183 1968 MXY
3689: 16 -25 Dl
3690: -16 9 Dl
3691: -15 -9 Dl
3692: 15 25 Dl
3693: 0 -71 Dl
3694: 2610 1968 MXY
3695: 15 -25 Dl
3696: -15 9 Dl
3697: -16 -9 Dl
3698: 16 25 Dl
3699: 0 -142 Dl
3700: 2752 1968 MXY
3701: 15 -25 Dl
3702: -15 9 Dl
3703: -16 -9 Dl
3704: 16 25 Dl
3705: 0 -178 Dl
3706: 2894 1968 MXY
3707: 15 -25 Dl
3708: -15 9 Dl
3709: -16 -9 Dl
3710: 16 25 Dl
3711: 0 -213 Dl
3712: 3036 1968 MXY
3713: 15 -25 Dl
3714: -15 9 Dl
3715: -16 -9 Dl
3716: 16 25 Dl
3717: 0 -249 Dl
3718: 2326 1542 MXY
3719: 0 177 Dl
3720: 710 0 Dl
3721: 2290 1542 MXY
3722: 0 213 Dl
3723: 604 0 Dl
3724: 2254 1542 MXY
3725: 0 248 Dl
3726: 498 0 Dl
3727: 2219 1542 MXY
3728: 0 284 Dl
3729: 391 0 Dl
3730: 2183 1542 MXY
3731: 0 319 Dl
3732: 143 0 Dl
3733: 2148 1542 MXY
3734: 0 355 Dl
3735: 35 0 Dl
3736: 2041 1542 MXY
3737: 0 177 Dl
3738: -284 0 Dl
3739: 1968 MY
3740: 16 -25 Dl
3741: -16 9 Dl
3742: -15 -9 Dl
3743: 15 25 Dl
3744: 0 -249 Dl
3745: 2077 1542 MXY
3746: 0 213 Dl
3747: -178 0 Dl
3748: 1968 MY
3749: 16 -25 Dl
3750: -16 9 Dl
3751: -15 -9 Dl
3752: 15 25 Dl
3753: 0 -213 Dl
3754: 2112 1542 MXY
3755: 0 248 Dl
3756: -71 0 Dl
3757: 1968 MY
3758: 16 -25 Dl
3759: -16 9 Dl
3760: -15 -9 Dl
3761: 15 25 Dl
3762: 0 -178 Dl
3763: 4 Ds
3764: 2503 2536 MXY
3765: 0 -1633 Dl
3766: 1066 0 Dl
3767: 0 1633 Dl
3768: -1066 0 Dl
3769: 2432 903 MXY
3770: 0 1633 Dl
3771: -1136 0 Dl
3772: 0 -1633 Dl
3773: 1136 0 Dl
3774: 3 Dt
3775: -1 Ds
3776: 3 f
3777: 10 s
3778: 880 2718(Figure)N
3779: 1128(2)X
3780: 1 f
3781: (.)S
3782: 1229(The)X
3783: 1375(Tcl)X
3784: 1503(library)X
3785: 1738(provides)X
3786: 2035(a)X
3787: 2092(parser)X
3788: 2310(for)X
3789: 2425(the)X
3790: 2544(Tcl)X
3791: 2672(language,)X
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3794: 3170(of)X
3795: 3258(built-in)X
3796: 3513(commands,)X
3797: 3900(and)X
3798: 880 2808(several)N
3799: 1145(utility)X
3800: 1372(procedures.)X
3801: 1801(The)X
3802: 1962(application)X
3803: 2354(provides)X
3804: 2666(application-speci\256c)X
3805: 3330(commands)X
3806: 3713(plus)X
3807: 3882(pro-)X
3808: 880 2898(cedures)N
3809: 1148(to)X
3810: 1232(collect)X
3811: 1468(commands)X
3812: 1837(for)X
3813: 1953(execution.)X
3814: 2327(The)X
3815: 2474(commands)X
3816: 2843(are)X
3817: 2963(parsed)X
3818: 3194(by)X
3819: 3295(Tcl)X
3820: 3423(and)X
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3823: 3954(to)X
3824: 880 2988(relevant)N
3825: 1159(command)X
3826: 1495(procedures)X
3827: 1868(\(either)X
3828: 2098(in)X
3829: 2180(Tcl)X
3830: 2307(or)X
3831: 2394(in)X
3832: 2476(the)X
3833: 2594(application\))X
3834: 2997(for)X
3835: 3111(execution.)X
3836: 11 s
3837: 920 3216(Once)N
3838: 1138(an)X
3839: 1254(application)X
3840: 1679(has)X
3841: 1828(created)X
3842: 2114(an)X
3843: 2229(interpreter,)X
3844: 2650(it)X
3845: 2732(calls)X
3846: 2926(the)X
3847: 7 f
3848: 3097 0.1992(Tcl_CreateCommand)AX
3849: 1 f
3850: 4030(pro-)X
3851: 720 3315(cedure)N
3852: 976(to)X
3853: 1067(extend)X
3854: 1324(the)X
3855: 1454(interpreter)X
3856: 1843(with)X
3857: 2022(application-speci\256c)X
3858: 2735(commands:)X
3859: 7 f
3860: 10 s
3861: 1360 3480(typedef)N
3862: 1744(int)X
3863: 1936(\(*Tcl_CmdProc\)\(ClientData)X
3864: 3184(clientData,)X
3865: 1586 3579(Tcl_Interp)N
3866: 2114(*interp,)X
3867: 2546(int)X
3868: 2738(argc,)X
3869: 3026(char)X
3870: 3266(*argv[]\);)X
3871: 1360 3777(Tcl_CreateCommand\(Tcl_Interp)N
3872: 2752(*interp,)X
3873: 3184(char)X
3874: 3424(*name,)X
3875: 1586 3876(Tcl_CmdProc)N
3876: 2162(proc,)X
3877: 2450(ClientData)X
3878: 2978(clientData\))X
3879: 1 f
3880: 11 s
3881: 720 4041(Each)N
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3883: 1070(to)X
3884: 7 f
3885: 1193 0.1992(Tcl_CreateCommand)AX
3886: 1 f
3887: 2117(associates)X
3888: 2492(a)X
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3894: 3527(name)X
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3896: 3739(\))X
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3899: 4030(pro-)X
3900: 720 4140(cedure)N
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3904: 1742(command)X
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3917: 3947(to)X
3918: 4043(that)X
3919: 720 4239(procedure)N
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3921: 7 f
3922: 1122(clientData)X
3923: 1 f
3924: 1652(\).)X
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3928: 2173(commands,)X
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3943: 1993(the)X
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3945: 2154(Tcl_Eval)X
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3951: 10 s
3952: 1040 4602(int)N
3953: 1232(Tcl_Eval\(Tcl_Interp)X
3954: 2192(*interp,)X
3955: 2624(char)X
3956: 2864(*cmd\))X
3957: 1 f
3958: 11 s
3959: 720 4734(In)N
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3979: 1151(mx)X
3980: 1 f
3981: 1284(editor)X
3982: 1521(Tcl)X
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3991: 3774(mouse)X
3992: 4034(but-)X
3993: 720 4932(tons,)N
3994: 916(or)X
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4020: 7 f
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4128: 2492(-)X
4129:
4130: 7 p
4131: %%Page: 7 8
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4133: 720 483(Tcl:)N
4134: 894(An)X
4135: 1028(Embeddable)X
4136: 1525(Command)X
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4139: 3868(22,)X
4140: 4000(1989)X
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4197: 1212(For)X
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4225: 2945(Tcl_Eval)X
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4232: 1116(argument)X
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4234: 1590(a)X
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4264: 1084(commands)X
4265: 1488(that)X
4266: 1643(appear)X
4267: 1899(in)X
4268: 1990(arguments.)X
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4270: 1127(tclprocs)X
4271: 1431(such)X
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4280: 2637(mechanism.)X
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4307: 7 f
4308: 720 1926 0.1992(Tcl_CreateCommand)AN
4309: 1 f
4310: 1650(as)X
4311: 1752(illustrated)X
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4320: 3607(name)X
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4322: 3857(fac)X
4323: 1 f
4324: 4016(.)X
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4327: 1095(procedure)X
4328: 1472(\()X
4329: 7 f
4330: 1501(proc)X
4331: 1 f
4332: 1739(in)X
4333: 1834(the)X
4334: 1968(call)X
4335: 2122(to)X
4336: 7 f
4337: 2248 0.1992(Tcl_CreateCommand)AX
4338: 1 f
4339: 3149(\))X
4340: 3204(is)X
4341: 3289(a)X
4342: 3354(special)X
4343: 3625(Tcl)X
4344: 3769(library)X
4345: 4030(pro-)X
4346: 720 2124(cedure)N
4347: 987(called)X
4348: 7 f
4349: 1261(InterpProc)X
4350: 1 f
4351: 1791(,)X
4352: 1845(and)X
4353: 2004(its)X
4354: 7 f
4355: 2151(clientData)X
4356: 1 f
4357: 2713(is)X
4358: 2804(a)X
4359: 2875(pointer)X
4360: 3157(to)X
4361: 3258(a)X
4362: 3329(structure)X
4363: 3669(describing)X
4364: 4068(the)X
4365: 720 2223(tclproc.)N
4366: 1036(This)X
4367: 1220(structure)X
4368: 1555(contains,)X
4369: 1898(among)X
4370: 2165(other)X
4371: 2373(things,)X
4372: 2638(a)X
4373: 2704(copy)X
4374: 2902(of)X
4375: 3002(the)X
4376: 3137(body)X
4377: 3340(of)X
4378: 3440(the)X
4379: 3575(tclproc)X
4380: 3846(\(the)X
4381: 4009(third)X
4382: 720 2322(argument)N
4383: 1090(to)X
4384: 1196(the)X
4385: 7 f
4386: 1372(proc)X
4387: 1 f
4388: 1621(command\).)X
4389: 2079(When)X
4390: 2326(the)X
4391: 7 f
4392: 2502(fac)X
4393: 1 f
4394: 2698(command)X
4395: 3083(is)X
4396: 3179(invoked,)X
4397: 7 f
4398: 3553(Tcl_Eval)X
4399: 1 f
4400: 4014(calls)X
4401: 7 f
4402: 720 2421(InterpProc)N
4403: 1 f
4404: 1250(,)X
4405: 1309(which)X
4406: 1560(in)X
4407: 1665(turn)X
4408: 1843(calls)X
4409: 7 f
4410: 2072(Tcl_Eval)X
4411: 1 f
4412: 2532(to)X
4413: 2637(execute)X
4414: 2942(the)X
4415: 3086(body)X
4416: 3298(of)X
4417: 3407(the)X
4418: 3551(tclproc.)X
4419: 3876(There)X
4420: 4117(is)X
4421: 720 2520(some)N
4422: 933(additional)X
4423: 1314(code)X
4424: 1507(required)X
4425: 1827(to)X
4426: 1923(associate)X
4427: 2268(the)X
4428: 2403(argument)X
4429: 2763(of)X
4430: 2863(the)X
4431: 7 f
4432: 3028(fac)X
4433: 1 f
4434: 3213(command)X
4435: 3587(\(which)X
4436: 3857(is)X
4437: 3942(passed)X
4438: 720 2619(to)N
4439: 7 f
4440: 847(InterpProc)X
4441: 1 f
4442: 1404(in)X
4443: 1499(its)X
4444: 7 f
4445: 1640(argv)X
4446: 1 f
4447: 1878(array\))X
4448: 2113(with)X
4449: 2296(the)X
4450: 7 f
4451: 2461(x)X
4452: 1 f
4453: 2540(variable)X
4454: 2850(used)X
4455: 3037(inside)X
4456: 7 f
4457: 3305(fac)X
4458: 1 f
4459: 3464('s)X
4460: 3553(body,)X
4461: 3777(and)X
4462: 3930(to)X
4463: 4025(sup-)X
4464: 720 2718(port)N
4465: 893(variables)X
4466: 1242(with)X
4467: 1430(local)X
4468: 1633(scope,)X
4469: 1886(but)X
4470: 2030(much)X
4471: 2256(of)X
4472: 2359(the)X
4473: 2497(mechanism)X
4474: 2929(for)X
4475: 3061(tclprocs)X
4476: 3370(is)X
4477: 3459(the)X
4478: 3597(same)X
4479: 3808(as)X
4480: 3911(that)X
4481: 4074(for)X
4482: 720 2817(any)N
4483: 869(other)X
4484: 1072(Tcl)X
4485: 1212(command.)X
4486: -1 Ds
4487: 1 Dt
4488: 2489 4389 MXY
4489: 2489 4338 2489 4287 2547.33 4261.5 curveto
4490: 2605.67 4236 2722.33 4236 2780.67 4206.83 curveto
4491: 2839 4177.67 2839 4119.33 2839 4061 curveto
4492: Dstroke
4493: 2140 4389 MXY
4494: 2140 4338 2140 4287 2081.67 4261.5 curveto
4495: 2023.33 4236 1906.67 4236 1848.33 4206.83 curveto
4496: 1790 4177.67 1790 4119.33 1790 4061 curveto
4497: Dstroke
4498: 2424 3974 MXY
4499: 2387.33 3974 2350.67 3974 2332.33 3904.83 curveto
4500: 2314 3835.67 2314 3697.33 2314 3559 curveto
4501: Dstroke
4502: 1499 3749(\(h\))N
4503: 1914 4361(\(g\))N
4504: 1922 3683(\(f\))N
4505: 2351 3880(\(d\))N
4506: 2616 4361(\(c\))N
4507: 2613 3683(\(b\))N
4508: 2140 3449 MXY
4509: -30 -19 Dl
4510: 10 19 Dl
4511: -10 20 Dl
4512: 30 -20 Dl
4513: 4411 MY
4514: 19 -30 Dl
4515: -19 11 Dl
4516: -20 -11 Dl
4517: 20 30 Dl
4518: 2402 3537 MXY
4519: 2402 3595.33 2402 3653.67 2474.83 3682.83 curveto
4520: 2547.67 3712 2693.33 3712 2766.17 3737.5 curveto
4521: 2839 3763 2839 3814 2839 3865 curveto
4522: Dstroke
4523: 2227 3537 MXY
4524: 2227 3595.33 2227 3653.67 2154.17 3682.83 curveto
4525: 2081.33 3712 1935.67 3712 1862.83 3737.5 curveto
4526: 1790 3763 1790 3814 1790 3865 curveto
4527: Dstroke
4528: 3886 MY
4529: 19 -30 Dl
4530: -19 11 Dl
4531: -19 -11 Dl
4532: 19 30 Dl
4533: 2314 3537 MXY
4534: -19 30 Dl
4535: 19 -11 Dl
4536: 20 11 Dl
4537: -20 -30 Dl
4538: 2489 4411 MXY
4539: 19 -30 Dl
4540: -19 11 Dl
4541: -19 -11 Dl
4542: 19 30 Dl
4543: 2839 3886 MXY
4544: 19 -30 Dl
4545: -19 11 Dl
4546: -19 -11 Dl
4547: 19 30 Dl
4548: 4 Ds
4549: 1965 4673 MXY
4550: 0 -262 Dl
4551: 699 0 Dl
4552: 0 262 Dl
4553: -699 0 Dl
4554: 2059 4623(Data)N
4555: 2247(Structure)X
4556: 1605 4011(InterpProc)N
4557: 2466 4033(Command)N
4558: 2856(Procedure)X
4559: 7 f
4560: 2733 3945(proc)N
4561: 1 f
4562: 2205 3486(Parser)N
4563: -1 Ds
4564: 3 Dt
4565: 2140 3537 MXY
4566: 0 -175 Dl
4567: 349 0 Dl
4568: 0 175 Dl
4569: -349 0 Dl
4570: 2424 4061 MXY
4571: 0 -175 Dl
4572: 830 0 Dl
4573: 0 175 Dl
4574: -830 0 Dl
4575: 1571 MX
4576: 0 -175 Dl
4577: 438 0 Dl
4578: 0 175 Dl
4579: -438 0 Dl
4580: 1 Dt
4581: 3974 MY
4582: 1527.33 3974 1483.67 3974 1461.83 3886.5 curveto
4583: 1440 3799 1440 3624 1553 3536.5 curveto
4584: 1666 3449 1892 3449 2118 3449 curveto
4585: Dstroke
4586: 7 f
4587: 2235 4514(fac)N
4588: 2533 3049(proc)N
4589: 2798(fac)X
4590: 3010(x)X
4591: 3116({...})X
4592: 1 f
4593: 2402 3362 MXY
4594: 19 -30 Dl
4595: -19 11 Dl
4596: -19 -11 Dl
4597: 19 30 Dl
4598: 0 -350 Dl
4599: 2227 3362 MXY
4600: 19 -30 Dl
4601: -19 11 Dl
4602: -19 -11 Dl
4603: 19 30 Dl
4604: 0 -350 Dl
4605: 2402 MX
4606: 87 0 Dl
4607: 2227 MX
4608: -87 0 Dl
4609: 2446 3224(\(a\))N
4610: 2086(\(e\))X
4611: 7 f
4612: 1831 3049(fac)N
4613: 2043(5)X
4614: 1 f
4615: 3 Dt
4616: -1 Ds
4617: 3 f
4618: 10 s
4619: 880 4855(Figure)N
4620: 1135(3)X
4621: 1 f
4622: (.)S
4623: 1242(The)X
4624: 1394(creation)X
4625: 1680(and)X
4626: 1823(execution)X
4627: 2162(of)X
4628: 2256(a)X
4629: 2319(tclproc)X
4630: 2569(\(a)X
4631: 2659(procedure)X
4632: 3008(written)X
4633: 3262(in)X
4634: 3351(Tcl\):)X
4635: 3554(\(a\))X
4636: 3671(the)X
4637: 7 f
4638: 3824(proc)X
4639: 1 f
4640: 880 4945(command)N
4641: 1218(is)X
4642: 1293(invoked,)X
4643: 1593(e.g.)X
4644: 1731(to)X
4645: 1815(create)X
4646: 2030(the)X
4647: 7 f
4648: 2178(fac)X
4649: 1 f
4650: 2344(procedure;)X
4651: 2730(\(b\))X
4652: 2846(the)X
4653: 2965(Tcl)X
4654: 3093(parser)X
4655: 3311(invokes)X
4656: 3581(the)X
4657: 3700(command)X
4658: 880 5035(procedure)N
4659: 1225(associated)X
4660: 1578(with)X
4661: 7 f
4662: 1771(proc)X
4663: 1 f
4664: (;)S
4665: 2028(\(c\))X
4666: 2141(the)X
4667: 7 f
4668: 2290(proc)X
4669: 1 f
4670: 2505(command)X
4671: 2844(procedure)X
4672: 3189(creates)X
4673: 3436(a)X
4674: 3495(data)X
4675: 3651(structure)X
4676: 3954(to)X
4677: 880 5125(hold)N
4678: 1047(the)X
4679: 1170(Tcl)X
4680: 1301(command)X
4681: 1641(that)X
4682: 1785(is)X
4683: 7 f
4684: 1890(fac)X
4685: 1 f
4686: ('s)S
4687: 2116(body;)X
4688: 2342(\(d\))X
4689: 7 f
4690: 2488(fac)X
4691: 1 f
4692: 2656(is)X
4693: 2733(registered)X
4694: 3074(as)X
4695: 3165(a)X
4696: 3225(new)X
4697: 3383(Tcl)X
4698: 3514(command,)X
4699: 3874(with)X
4700: 7 f
4701: 880 5215(InterpProc)N
4702: 1 f
4703: 1388(as)X
4704: 1483(its)X
4705: 1585(command)X
4706: 1928(procedure;)X
4707: 2319(\(e\))X
4708: 7 f
4709: 2464(fac)X
4710: 1 f
4711: 2635(is)X
4712: 2715(invoked)X
4713: 3000(as)X
4714: 3094(a)X
4715: 3157(Tcl)X
4716: 3291(command;)X
4717: 3676(\(f\))X
4718: 3784(the)X
4719: 3909(Tcl)X
4720: 880 5305(parser)N
4721: 1112(invokes)X
4722: 7 f
4723: 1424(InterpProc)X
4724: 1 f
4725: 1939(as)X
4726: 2041(the)X
4727: 2174(command)X
4728: 2524(procedure)X
4729: 2880(for)X
4730: 7 f
4731: 3036(fac)X
4732: 1 f
4733: (;)S
4734: 3256(\(g\))X
4735: 7 f
4736: 3412(InterpProc)X
4737: 1 f
4738: 3926(re-)X
4739: 880 5395(trieves)N
4740: 1118(the)X
4741: 1240(body)X
4742: 1424(of)X
4743: 7 f
4744: 1543(fac)X
4745: 1 f
4746: 1711(from)X
4747: 1891(the)X
4748: 2013(data)X
4749: 2171(structure;)X
4750: 2518(and)X
4751: 2658(\(h\))X
4752: 2775(the)X
4753: 2896(Tcl)X
4754: 3026(commands)X
4755: 3396(in)X
4756: 7 f
4757: 3509(fac)X
4758: 1 f
4759: ('s)S
4760: 3734(body)X
4761: 3917(are)X
4762: 880 5485(passed)N
4763: 1114(back)X
4764: 1286(to)X
4765: 1368(the)X
4766: 1486(Tcl)X
4767: 1613(parser)X
4768: 1830(for)X
4769: 1944(execution.)X
4770: 3 f
4771: 11 s
4772: 2375 6048(-)N
4773: 2426(7)X
4774: 2492(-)X
4775:
4776: 8 p
4777: %%Page: 8 9
4778: 11 s 11 xH 0 xS 3 f
4779: 720 483(Tcl:)N
4780: 894(An)X
4781: 1028(Embeddable)X
4782: 1525(Command)X
4783: 1942(Language)X
4784: 3466(December)X
4785: 3868(22,)X
4786: 4000(1989)X
4787: 1 f
4788: 920 771(A)N
4789: 1009(Tcl)X
4790: 1152(command)X
4791: 1525(procedure)X
4792: 1901(returns)X
4793: 2170(two)X
4794: 2327(results)X
4795: 2582(to)X
4796: 7 f
4797: 2707(Tcl_Eval)X
4798: 1 f
4799: 3131(:)X
4800: 3181(an)X
4801: 3289(integer)X
4802: 3559(return)X
4803: 3794(code)X
4804: 3985(and)X
4805: 4137(a)X
4806: 720 870(string.)N
4807: 992(The)X
4808: 1156(return)X
4809: 1393(code)X
4810: 1586(is)X
4811: 1672(returned)X
4812: 1992(as)X
4813: 2092(the)X
4814: 2227(procedure's)X
4815: 2668(result,)X
4816: 2913(and)X
4817: 3067(the)X
4818: 3202(string)X
4819: 3430(is)X
4820: 3515(stored)X
4821: 3756(in)X
4822: 3851(the)X
4823: 3985(inter-)X
4824: 720 969(preter,)N
4825: 975(from)X
4826: 1174(which)X
4827: 1417(it)X
4828: 1495(can)X
4829: 1645(be)X
4830: 1756(retrieved)X
4831: 2097(later.)X
4832: 7 f
4833: 2356(Tcl_Eval)X
4834: 1 f
4835: 2807(returns)X
4836: 3078(the)X
4837: 3213(same)X
4838: 3421(code)X
4839: 3614(and)X
4840: 3768(string)X
4841: 3996(to)X
4842: 4092(its)X
4843: 720 1068(caller.)N
4844: 990(Table)X
4845: 1221(I)X
4846: 1280(summarizes)X
4847: 1731(the)X
4848: 1869(return)X
4849: 2108(codes)X
4850: 2337(and)X
4851: 2493(strings.)X
4852: 2801(Normally)X
4853: 3168(the)X
4854: 3305(return)X
4855: 3544(code)X
4856: 3739(is)X
4857: 7 f
4858: 3858(TCL_OK)X
4859: 1 f
4860: 720 1167(and)N
4861: 878(the)X
4862: 1017(string)X
4863: 1249(contains)X
4864: 1574(the)X
4865: 1713(result)X
4866: 1940(of)X
4867: 2044(the)X
4868: 2183(command.)X
4869: 2605(If)X
4870: 2693(an)X
4871: 2806(error)X
4872: 3006(occurs)X
4873: 3265(in)X
4874: 3364(executing)X
4875: 3737(a)X
4876: 3806(command,)X
4877: 720 1266(then)N
4878: 896(the)X
4879: 1028(return)X
4880: 1262(code)X
4881: 1452(will)X
4882: 1614(be)X
4883: 7 f
4884: 1752(TCL_ERROR)X
4885: 1 f
4886: 2253(and)X
4887: 2404(the)X
4888: 2536(string)X
4889: 2761(will)X
4890: 2923(describe)X
4891: 3240(the)X
4892: 3372(error)X
4893: 3565(condition.)X
4894: 3966(When)X
4895: 7 f
4896: 720 1365(TCL_ERROR)N
4897: 1 f
4898: 1220(is)X
4899: 1302(returned)X
4900: 1618(\(or)X
4901: 1742(any)X
4902: 1891(value)X
4903: 2104(other)X
4904: 2307(than)X
4905: 7 f
4906: 2512(TCL_OK)X
4907: 1 f
4908: 2830(\),)X
4909: 2903(the)X
4910: 3033(normal)X
4911: 3305(action)X
4912: 3543(is)X
4913: 3624(for)X
4914: 3748(nested)X
4915: 3995(com-)X
4916: 720 1464(mand)N
4917: 943(procedures)X
4918: 1355(to)X
4919: 1451(return)X
4920: 1688(the)X
4921: 1823(same)X
4922: 2031(code)X
4923: 2224(and)X
4924: 2378(string)X
4925: 2606(to)X
4926: 2701(their)X
4927: 2889(callers,)X
4928: 3167(unwinding)X
4929: 3570(all)X
4930: 3685(pending)X
4931: 3995(com-)X
4932: 720 1563(mand)N
4933: 945(executions)X
4934: 1351(until)X
4935: 1543(eventually)X
4936: 1940(the)X
4937: 2077(return)X
4938: 2316(code)X
4939: 2511(and)X
4940: 2667(string)X
4941: 2897(are)X
4942: 3033(returned)X
4943: 3355(by)X
4944: 3472(the)X
4945: 3609(top-level)X
4946: 3951(call)X
4947: 4107(to)X
4948: 7 f
4949: 720 1662(Tcl_Eval)N
4950: 1 f
4951: 1144(.)X
4952: 1212(At)X
4953: 1324(this)X
4954: 1476(point)X
4955: 1682(the)X
4956: 1814(application)X
4957: 2231(will)X
4958: 2393(normally)X
4959: 2736(display)X
4960: 3015(the)X
4961: 3147(error)X
4962: 3341(message)X
4963: 3663(for)X
4964: 3788(the)X
4965: 3919(user)X
4966: 4088(by)X
4967: 720 1761(printing)N
4968: 1022(it)X
4969: 1094(on)X
4970: 1204(the)X
4971: 1334(terminal)X
4972: 1651(or)X
4973: 1746(displaying)X
4974: 2136(it)X
4975: 2208(in)X
4976: 2299(a)X
4977: 2360(noti\256er)X
4978: 2637(window.)X
4979: 920 1893(Return)N
4980: 1185(codes)X
4981: 1410(other)X
4982: 1616(than)X
4983: 7 f
4984: 1824(TCL_OK)X
4985: 1 f
4986: 2166(or)X
4987: 7 f
4988: 2294(TCL_ERROR)X
4989: 1 f
4990: 2795(cause)X
4991: 3014(partial)X
4992: 3264(unwinding.)X
4993: 3709(For)X
4994: 3855(example,)X
4995: 720 1992(the)N
4996: 7 f
4997: 884(break)X
4998: 1 f
4999: 1174(command)X
5000: 1547(returns)X
5001: 1816(a)X
5002: 7 f
5003: 1911(TCL_BREAK)X
5004: 1 f
5005: 2413(code.)X
5006: 2648(This)X
5007: 2830(causes)X
5008: 3084(nested)X
5009: 3334(command)X
5010: 3706(executions)X
5011: 4107(to)X
5012: 720 2091(be)N
5013: 855(unwound)X
5014: 1234(until)X
5015: 1449(a)X
5016: 1540(nested)X
5017: 7 f
5018: 1847(for)X
5019: 1 f
5020: 2057(or)X
5021: 7 f
5022: 2212(foreach)X
5023: 1 f
5024: 2634(command)X
5025: 3033(is)X
5026: 3143(reached.)X
5027: 3511(When)X
5028: 3772(a)X
5029: 7 f
5030: 3893(for)X
5031: 1 f
5032: 4103(or)X
5033: 7 f
5034: 720 2190(foreach)N
5035: 1 f
5036: 1119(command)X
5037: 1495(invokes)X
5038: 7 f
5039: 1828(Tcl_Eval)X
5040: 1 f
5041: 2280(recursively,)X
5042: 2720(it)X
5043: 2797(checks)X
5044: 3063(specially)X
5045: 3404(for)X
5046: 3533(the)X
5047: 7 f
5048: 3699(TCL_BREAK)X
5049: 1 f
5050: 720 2289(result.)N
5051: 993(When)X
5052: 1236(this)X
5053: 1397(occurs)X
5054: 1658(the)X
5055: 7 f
5056: 1829(for)X
5057: 1 f
5058: 2020(or)X
5059: 7 f
5060: 2156(foreach)X
5061: 1 f
5062: 2559(command)X
5063: 2939(terminates)X
5064: 3339(the)X
5065: 3479(loop,)X
5066: 3690(but)X
5067: 3835(it)X
5068: 3917(doesn't)X
5069: 720 2388(return)N
5070: 955(the)X
5071: 7 f
5072: 1119(TCL_BREAK)X
5073: 1 f
5074: 1620(code)X
5075: 1810(to)X
5076: 1903(its)X
5077: 2011(caller.)X
5078: 2275(Instead)X
5079: 2553(it)X
5080: 2627(returns)X
5081: 7 f
5082: 2926(TCL_OK)X
5083: 1 f
5084: 3244(.)X
5085: 3312(Thus)X
5086: 3512(no)X
5087: 3624(higher)X
5088: 3873(levels)X
5089: 4103(of)X
5090: 720 2487(execution)N
5091: 1104(are)X
5092: 1252(aborted.)X
5093: 1601(The)X
5094: 7 f
5095: 1810(TCL_CONTINUE)X
5096: 1 f
5097: 2487(return)X
5098: 2737(code)X
5099: 2943(is)X
5100: 3042(also)X
5101: 3224(handled)X
5102: 3543(by)X
5103: 3671(the)X
5104: 7 f
5105: 3850(for)X
5106: 1 f
5107: 4049(and)X
5108: 7 f
5109: 720 2586(foreach)N
5110: 1 f
5111: 1122(commands)X
5112: 1535(\(they)X
5113: 1746(go)X
5114: 1864(on)X
5115: 1982(to)X
5116: 2081(the)X
5117: 2219(next)X
5118: 2401(loop)X
5119: 2588(iteration\))X
5120: 2942(and)X
5121: 7 f
5122: 3130(TCL_RETURN)X
5123: 1 f
5124: 3690(is)X
5125: 3779(handled)X
5126: 4088(by)X
5127: 720 2685(the)N
5128: 7 f
5129: 887(InterpProc)X
5130: 1 f
5131: 1445(procedure.)X
5132: 1868(Only)X
5133: 2072(a)X
5134: 2138(few)X
5135: 2296(command)X
5136: 2671(procedures,)X
5137: 3105(like)X
5138: 7 f
5139: 3296(break)X
5140: 1 f
5141: 3588(and)X
5142: 7 f
5143: 3773(for)X
5144: 1 f
5145: 3932(,)X
5146: 3981(know)X
5147: 720 2784(anything)N
5148: 1061(about)X
5149: 1289(special)X
5150: 1566(return)X
5151: 1808(codes)X
5152: 2040(such)X
5153: 2233(as)X
5154: 7 f
5155: 2369(TCL_BREAK)X
5156: 1 f
5157: 2846(;)X
5158: 2925(other)X
5159: 3138(command)X
5160: 3518(procedures)X
5161: 3935(simply)X
5162: 720 2883(abort)N
5163: 923(whenever)X
5164: 1286(they)X
5165: 1460(see)X
5166: 1594(any)X
5167: 1743(return)X
5168: 1975(code)X
5169: 2163(other)X
5170: 2366(than)X
5171: 7 f
5172: 2571(TCL_OK)X
5173: 1 f
5174: 2889(.)X
5175: 920 3015(The)N
5176: 7 f
5177: 1129(catch)X
5178: 1 f
5179: 1435(command)X
5180: 1824(may)X
5181: 2017(be)X
5182: 2141(used)X
5183: 2343(to)X
5184: 2453(prevent)X
5185: 2758(complete)X
5186: 3123(unwinding)X
5187: 3540(on)X
5188: 7 f
5189: 3699(TCL_ERROR)X
5190: 1 f
5191: 720 3114(returns.)N
5192: 7 f
5193: 1064(Catch)X
5194: 1 f
5195: 1354(takes)X
5196: 1560(an)X
5197: 1668(argument)X
5198: 2026(that)X
5199: 2184(is)X
5200: 2268(a)X
5201: 2332(Tcl)X
5202: 2475(command)X
5203: 2847(to)X
5204: 2940(execute.)X
5205: 3277(It)X
5206: 3355(passes)X
5207: 3603(the)X
5208: 3735(command)X
5209: 4107(to)X
5210: 7 f
5211: 720 3213(Tcl_Eval)N
5212: 1 f
5213: 1182(for)X
5214: 1322(execution,)X
5215: 1725(but)X
5216: 1875(always)X
5217: 2156(returns)X
5218: 7 f
5219: 2468(TCL_OK)X
5220: 1 f
5221: 2786(.)X
5222: 2867(If)X
5223: 2962(an)X
5224: 3082(error)X
5225: 3289(occurs)X
5226: 3555(in)X
5227: 3661(the)X
5228: 3806(command,)X
5229: 7 f
5230: 720 3312(catch)N
5231: 1 f
5232: 985('s)X
5233: 1081(command)X
5234: 1462(procedure)X
5235: 1846(detects)X
5236: 2124(the)X
5237: 7 f
5238: 2296(TCL_ERROR)X
5239: 1 f
5240: 2806(return)X
5241: 3049(value)X
5242: 3273(from)X
5243: 7 f
5244: 3508(Tcl_Eval)X
5245: 1 f
5246: 3932(,)X
5247: 3986(saves)X
5248: 720 3411(information)N
5249: 1162(about)X
5250: 1383(the)X
5251: 1516(error)X
5252: 1710(in)X
5253: 1803(Tcl)X
5254: 1945(variables,)X
5255: 2309(and)X
5256: 2460(then)X
5257: 2636(returns)X
5258: 2904(TCL_OK)X
5259: 3265(to)X
5260: 3358(its)X
5261: 3466(caller.)X
5262: 3730(In)X
5263: 3827(almost)X
5264: 4087(all)X
5265: 720 3510(cases)N
5266: 928(I)X
5267: 980(think)X
5268: 1185(the)X
5269: 1316(best)X
5270: 1481(response)X
5271: 1811(to)X
5272: 1903(an)X
5273: 2009(error)X
5274: 2202(is)X
5275: 2284(to)X
5276: 2376(abort)X
5277: 2580(all)X
5278: 2692(command)X
5279: 3063(invocations)X
5280: 3493(and)X
5281: 3642(notify)X
5282: 3875(the)X
5283: 4005(user;)X
5284: 7 f
5285: 720 3609(catch)N
5286: 1 f
5287: 1026(is)X
5288: 1126(provided)X
5289: 1480(for)X
5290: 1623(those)X
5291: 1850(few)X
5292: 2022(occasions)X
5293: 2405(where)X
5294: 2660(an)X
5295: 2783(error)X
5296: 2993(is)X
5297: 3092(expected)X
5298: 3445(and)X
5299: 3612(can)X
5300: 3774(be)X
5301: 3897(handled)X
5302: 720 3708(without)N
5303: 1012(aborting.)X
5304: 3 f
5305: 720 4002(4.)N
5306: 830(Tcl)X
5307: 975(and)X
5308: 1139(Window)X
5309: 1479(Applications)X
5310: 1 f
5311: 920 4134(An)N
5312: 1061(embeddable)X
5313: 1521(command)X
5314: 1903(language)X
5315: 2255(like)X
5316: 2422(Tcl)X
5317: 2574(offers)X
5318: 2811(particular)X
5319: 3182(advantages)X
5320: 3606(in)X
5321: 3708(a)X
5322: 3780(windowing)X
5323: 720 4233(environment.)N
5324: 1259(This)X
5325: 1465(is)X
5326: 1572(partly)X
5327: 1826(because)X
5328: 2152(there)X
5329: 2376(are)X
5330: 2531(many)X
5331: 2775(interactive)X
5332: 3196(programs)X
5333: 3576(in)X
5334: 3693(a)X
5335: 3780(windowing)X
5336: 720 4332(environment)N
5337: 1192(\(hence)X
5338: 1452(many)X
5339: 1674(places)X
5340: 1920(to)X
5341: 2015(use)X
5342: 2158(a)X
5343: 2223(command)X
5344: 2597(language\))X
5345: 2970(and)X
5346: 3122(partly)X
5347: 3353(because)X
5348: 3656(con\256gurability)X
5349: 10 f
5350: 955 4472(i)N
5351: 992(iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii)X
5352: 1 f
5353: 1093 4571(Return)N
5354: 1355(Code)X
5355: 2322(Meaning)X
5356: 3501(String)X
5357: 10 f
5358: 955 4582(i)N
5359: 992(iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii)X
5360: 7 f
5361: 999 4681(TCL_OK)N
5362: 1 f
5363: 1767(Command)X
5364: 2157(completed)X
5365: 2547(normally)X
5366: 3322(Result)X
5367: 7 f
5368: 999 4780(TCL_ERROR)N
5369: 1 f
5370: 1767(Error)X
5371: 1974(occurred)X
5372: 2303(in)X
5373: 2394(command)X
5374: 3322(Error)X
5375: 3529(message)X
5376: 7 f
5377: 999 4879(TCL_BREAK)N
5378: 1 f
5379: 1767(Should)X
5380: 2039(abort)X
5381: 2242(innermost)X
5382: 2617(loop)X
5383: 3322(None)X
5384: 7 f
5385: 999 4978(TCL_CONTINUE)N
5386: 1 f
5387: 1767(Should)X
5388: 2039(skip)X
5389: 2208(innermost)X
5390: 2583(iteration)X
5391: 3322(None)X
5392: 7 f
5393: 999 5077(TCL_RETURN)N
5394: 1 f
5395: 1767(Should)X
5396: 2039(return)X
5397: 2271(from)X
5398: 2464(innermost)X
5399: 2839(procedure)X
5400: 3322(Procedure)X
5401: 3700(result)X
5402: 10 f
5403: 955 5088(i)N
5404: 992(iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii)X
5405: 955(c)X
5406: 5000(c)Y
5407: 4912(c)Y
5408: 4824(c)Y
5409: 4736(c)Y
5410: 4648(c)Y
5411: 4560(c)Y
5412: 1701 5088(c)N
5413: 5000(c)Y
5414: 4912(c)Y
5415: 4824(c)Y
5416: 4736(c)Y
5417: 4648(c)Y
5418: 4560(c)Y
5419: 3256 5088(c)N
5420: 5000(c)Y
5421: 4912(c)Y
5422: 4824(c)Y
5423: 4736(c)Y
5424: 4648(c)Y
5425: 4560(c)Y
5426: 3940 5088(c)N
5427: 5000(c)Y
5428: 4912(c)Y
5429: 4824(c)Y
5430: 4736(c)Y
5431: 4648(c)Y
5432: 4560(c)Y
5433: 3 f
5434: 10 s
5435: 880 5244(Table)N
5436: 1099(I)X
5437: 1 f
5438: 1130(.)X
5439: 1194(Each)X
5440: 1378(Tcl)X
5441: 1508(command)X
5442: 1847(returns)X
5443: 2093(a)X
5444: 2152(code)X
5445: 2327(describing)X
5446: 2684(what)X
5447: 2863(happened)X
5448: 3194(and)X
5449: 3333(a)X
5450: 3392(string)X
5451: 3597(that)X
5452: 3740(provides)X
5453: 880 5334(additional)N
5454: 1235(information.)X
5455: 1687(If)X
5456: 1775(the)X
5457: 1907(return)X
5458: 2133(code)X
5459: 2319(is)X
5460: 2406(not)X
5461: 7 f
5462: 2570(TCL_OK)X
5463: 1 f
5464: (,)S
5465: 2912(then)X
5466: 3084(nested)X
5467: 3323(command)X
5468: 3673(executions)X
5469: 880 5424(unwind)N
5470: 1146(and)X
5471: 1287(return)X
5472: 1504(the)X
5473: 1627(same)X
5474: 1817(code,)X
5475: 2014(until)X
5476: 2185(reaching)X
5477: 2487(top-level)X
5478: 2797(or)X
5479: 2889(some)X
5480: 3083(command)X
5481: 3424(that)X
5482: 3569(is)X
5483: 3647(prepared)X
5484: 3954(to)X
5485: 880 5514(deal)N
5486: 1034(with)X
5487: 1196(the)X
5488: 1314(exceptional)X
5489: 1704(return)X
5490: 1916(code.)X
5491: 3 f
5492: 11 s
5493: 2375 6048(-)N
5494: 2426(8)X
5495: 2492(-)X
5496:
5497: 9 p
5498: %%Page: 9 10
5499: 11 s 11 xH 0 xS 3 f
5500: 720 483(Tcl:)N
5501: 894(An)X
5502: 1028(Embeddable)X
5503: 1525(Command)X
5504: 1942(Language)X
5505: 3466(December)X
5506: 3868(22,)X
5507: 4000(1989)X
5508: 1 f
5509: 720 771(is)N
5510: 807(important)X
5511: 1179(in)X
5512: 1276(today's)X
5513: 1563(windowing)X
5514: 1987(environments)X
5515: 2495(and)X
5516: 2650(a)X
5517: 2716(language)X
5518: 3061(like)X
5519: 3221(Tcl)X
5520: 3366(provides)X
5521: 3696(the)X
5522: 3831(\257exibility)X
5523: 720 870(to)N
5524: 828(recon\256gure.)X
5525: 1311(Tcl)X
5526: 1468(can)X
5527: 1628(be)X
5528: 1749(used)X
5529: 1948(for)X
5530: 2088(two)X
5531: 2258(purposes)X
5532: 2608(in)X
5533: 2715(a)X
5534: 2792(window)X
5535: 3113(application:)X
5536: 3591(to)X
5537: 3698(con\256gure)X
5538: 4068(the)X
5539: 720 969(application's)N
5540: 1211(interface)X
5541: 2 f
5542: 1554(actions)X
5543: 1 f
5544: 1809(,)X
5545: 1866(and)X
5546: 2028(to)X
5547: 2132(con\256gure)X
5548: 2499(the)X
5549: 2641(application's)X
5550: 3131(interface)X
5551: 2 f
5552: 3473(appearance)X
5553: 1 f
5554: 3888(.)X
5555: 3966(These)X
5556: 720 1068(two)N
5557: 874(purposes)X
5558: 1208(are)X
5559: 1337(discussed)X
5560: 1696(in)X
5561: 1787(the)X
5562: 1917(paragraphs)X
5563: 2324(below.)X
5564: 920 1200(The)N
5565: 1086(\256rst)X
5566: 1251(use)X
5567: 1396(of)X
5568: 1497(Tcl)X
5569: 1643(is)X
5570: 1730(for)X
5571: 1860(interface)X
5572: 2196(actions.)X
5573: 2518(Ideally,)X
5574: 2813(each)X
5575: 3002(event)X
5576: 3221(that)X
5577: 3382(has)X
5578: 3527(any)X
5579: 3682(importance)X
5580: 4107(to)X
5581: 720 1299(the)N
5582: 867(application)X
5583: 1299(should)X
5584: 1573(be)X
5585: 1695(bound)X
5586: 1954(to)X
5587: 2062(a)X
5588: 2140(Tcl)X
5589: 2297(command.)X
5590: 2728(Each)X
5591: 2943(keystroke,)X
5592: 3346(each)X
5593: 3546(mouse)X
5594: 3814(motion)X
5595: 4103(or)X
5596: 720 1398(mouse)N
5597: 977(button)X
5598: 1230(press)X
5599: 1437(\(or)X
5600: 1566(release\),)X
5601: 1887(and)X
5602: 2040(each)X
5603: 2227(menu)X
5604: 2449(entry)X
5605: 2656(should)X
5606: 2917(be)X
5607: 3026(associated)X
5608: 3414(with)X
5609: 3597(a)X
5610: 3662(Tcl)X
5611: 3806(command.)X
5612: 720 1497(When)N
5613: 960(the)X
5614: 1098(event)X
5615: 1319(occurs,)X
5616: 1600(it)X
5617: 1680(is)X
5618: 1769(\256rst)X
5619: 1936(mapped)X
5620: 2244(to)X
5621: 2342(its)X
5622: 2455(Tcl)X
5623: 2602(command)X
5624: 2979(and)X
5625: 3135(then)X
5626: 3316(executed)X
5627: 3658(by)X
5628: 3775(passing)X
5629: 4068(the)X
5630: 720 1596(command)N
5631: 1109(to)X
5632: 7 f
5633: 1250(Tcl_Eval)X
5634: 1 f
5635: 1674(.)X
5636: 1758(The)X
5637: 1935(application)X
5638: 2368(should)X
5639: 2643(not)X
5640: 2796(take)X
5641: 2983(any)X
5642: 3150(actions)X
5643: 3440(directly;)X
5644: 3797(all)X
5645: 3926(actions)X
5646: 720 1695(should)N
5647: 989(\256rst)X
5648: 1159(pass)X
5649: 1343(through)X
5650: 1650(Tcl.)X
5651: 1845(Furthermore,)X
5652: 2340(the)X
5653: 2481(application)X
5654: 2907(should)X
5655: 3175(provide)X
5656: 3477(Tcl)X
5657: 3628(commands)X
5658: 4043(that)X
5659: 720 1794(allow)N
5660: 938(the)X
5661: 1068(user)X
5662: 1236(to)X
5663: 1327(change)X
5664: 1598(the)X
5665: 1728(Tcl)X
5666: 1868(command)X
5667: 2238(associated)X
5668: 2622(with)X
5669: 2801(any)X
5670: 2950(event.)X
5671: 920 1926(In)N
5672: 1020(interactive)X
5673: 1420(windowing)X
5674: 1843(applications,)X
5675: 2319(the)X
5676: 2454(use)X
5677: 2598(of)X
5678: 2698(Tcl)X
5679: 2843(will)X
5680: 3007(probably)X
5681: 3346(not)X
5682: 3485(be)X
5683: 3594(visible)X
5684: 3856(to)X
5685: 3951(begin-)X
5686: 720 2025(ning)N
5687: 903(users:)X
5688: 1156(they)X
5689: 1334(will)X
5690: 1498(manipulate)X
5691: 1917(the)X
5692: 2051(applications)X
5693: 2504(using)X
5694: 2720(buttons,)X
5695: 3027(menus,)X
5696: 3304(and)X
5697: 3456(other)X
5698: 3662(interface)X
5699: 3995(com-)X
5700: 720 2124(ponents.)N
5701: 1063(However,)X
5702: 1431(if)X
5703: 1510(Tcl)X
5704: 1653(is)X
5705: 1737(used)X
5706: 1923(as)X
5707: 2021(an)X
5708: 2129(intermediary)X
5709: 2605(for)X
5710: 2732(all)X
5711: 2846(interface)X
5712: 3179(actions)X
5713: 3453(then)X
5714: 3629(two)X
5715: 3785(advantages)X
5716: 720 2223(accrue.)N
5717: 1021(First,)X
5718: 1233(it)X
5719: 1311(becomes)X
5720: 1646(possible)X
5721: 1962(to)X
5722: 2058(write)X
5723: 2266(Tcl)X
5724: 2411(programs)X
5725: 2770(to)X
5726: 2866(recon\256gure)X
5727: 3293(the)X
5728: 3428(interface.)X
5729: 3807(For)X
5730: 3956(exam-)X
5731: 720 2322(ple,)N
5732: 878(users)X
5733: 1086(will)X
5734: 1252(be)X
5735: 1363(able)X
5736: 1538(to)X
5737: 1635(rebind)X
5738: 1887(keystrokes,)X
5739: 2312(change)X
5740: 2588(mouse)X
5741: 2845(buttons,)X
5742: 3154(or)X
5743: 3254(replace)X
5744: 3535(an)X
5745: 3645(existing)X
5746: 3952(opera-)X
5747: 720 2421(tion)N
5748: 882(with)X
5749: 1063(a)X
5750: 1126(more)X
5751: 1331(complex)X
5752: 1659(one)X
5753: 1810(speci\256ed)X
5754: 2147(as)X
5755: 2243(a)X
5756: 2305(set)X
5757: 2426(of)X
5758: 2522(Tcl)X
5759: 2663(commands)X
5760: 3068(or)X
5761: 3164(tclprocs.)X
5762: 3510(The)X
5763: 3670(second)X
5764: 3937(advan-)X
5765: 720 2520(tage)N
5766: 891(is)X
5767: 974(that)X
5768: 1131(this)X
5769: 1283(approach)X
5770: 1628(forces)X
5771: 1865(all)X
5772: 1977(of)X
5773: 2073(the)X
5774: 2204(application's)X
5775: 2683(functionality)X
5776: 3158(to)X
5777: 3250(be)X
5778: 3356(accessible)X
5779: 3736(through)X
5780: 4033(Tcl:)X
5781: 720 2619(anything)N
5782: 1053(that)X
5783: 1210(can)X
5784: 1355(be)X
5785: 1461(invoked)X
5786: 1768(with)X
5787: 1948(the)X
5788: 2079(mouse)X
5789: 2332(or)X
5790: 2428(keyboard)X
5791: 2778(can)X
5792: 2923(also)X
5793: 3088(be)X
5794: 3194(invoked)X
5795: 3501(with)X
5796: 3681(Tcl)X
5797: 3822(programs.)X
5798: 720 2718(This)N
5799: 902(makes)X
5800: 1152(it)X
5801: 1227(possible)X
5802: 1541(to)X
5803: 1635(write)X
5804: 1841(tclprocs)X
5805: 2145(that)X
5806: 2303(simulate)X
5807: 2628(the)X
5808: 2761(actions)X
5809: 3036(of)X
5810: 3133(the)X
5811: 3265(program,)X
5812: 3609(or)X
5813: 3706(that)X
5814: 3863(compose)X
5815: 720 2817(the)N
5816: 854(program's)X
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5829: 4093(be)X
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5832: 1198(replayed)X
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5842: 920 3048(The)N
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5862: 1277(the)X
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5874: 1298(text)X
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6549: 3023(could)X
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6551: 7 f
6552: 3433(send)X
6553: 1 f
6554: 3678(to)X
6555: 3780(modify)X
6556: 4068(the)X
6557: 720 2817(interface)N
6558: 1065(of)X
6559: 1175(a)X
6560: 1251(``live'')X
6561: 1537(application,)X
6562: 1989(while)X
6563: 2222(also)X
6564: 2401(saving)X
6565: 2668(the)X
6566: 2813(con\256guration)X
6567: 3320(for)X
6568: 3459(a)X
6569: 3535(con\256guration)X
6570: 4041(\256le.)X
6571: 720 2916(This)N
6572: 905(would)X
6573: 1153(allow)X
6574: 1377(an)X
6575: 1488(interface)X
6576: 1824(designer)X
6577: 2150(to)X
6578: 2247(try)X
6579: 2373(out)X
6580: 2513(the)X
6581: 2648(look)X
6582: 2832(and)X
6583: 2986(feel)X
6584: 3145(of)X
6585: 3245(a)X
6586: 3311(new)X
6587: 3484(interface)X
6588: 3819(incremen-)X
6589: 720 3015(tally)N
6590: 900(as)X
6591: 995(changes)X
6592: 1300(are)X
6593: 1429(made)X
6594: 1642(to)X
6595: 1733(the)X
6596: 1863(interface.)X
6597: 920 3147(Another)N
6598: 1230(example)X
6599: 1551(of)X
6600: 1646(using)X
6601: 7 f
6602: 1890(send)X
6603: 1 f
6604: 2124(is)X
6605: 2205(for)X
6606: 2329(changing)X
6607: 2674(user)X
6608: 2842(preferences.)X
6609: 3312(If)X
6610: 3392(one)X
6611: 3541(user)X
6612: 3709(walks)X
6613: 3936(up)X
6614: 4046(to)X
6615: 4137(a)X
6616: 720 3246(display)N
6617: 1000(that)X
6618: 1158(has)X
6619: 1300(been)X
6620: 1491(con\256gured)X
6621: 1892(for)X
6622: 2019(some)X
6623: 2230(other)X
6624: 2436(user,)X
6625: 2629(the)X
6626: 2762(new)X
6627: 2932(user)X
6628: 3102(could)X
6629: 3322(run)X
6630: 3463(a)X
6631: 3526(program)X
6632: 3848(that)X
6633: 4005(\256nds)X
6634: 720 3345(out)N
6635: 860(about)X
6636: 1083(all)X
6637: 1199(the)X
6638: 1334(existing)X
6639: 1641(applications)X
6640: 2095(on)X
6641: 2210(the)X
6642: 2345(screen)X
6643: 2595(\(by)X
6644: 2738(querying)X
6645: 3077(the)X
6646: 3211(property)X
6647: 3535(that)X
6648: 3694(contains)X
6649: 4014(their)X
6650: 720 3444(names\),)N
6651: 1023(reads)X
6652: 1234(the)X
6653: 1368(new)X
6654: 1540(user's)X
6655: 1775(con\256guration)X
6656: 2271(\256le)X
6657: 2410(for)X
6658: 2538(each)X
6659: 2725(application,)X
6660: 3166(and)X
6661: 3319(sends)X
6662: 3540(commands)X
6663: 3948(to)X
6664: 4043(that)X
6665: 720 3543(application)N
6666: 1139(to)X
6667: 1234(recon\256gure)X
6668: 1660(it)X
6669: 1736(for)X
6670: 1864(the)X
6671: 1998(new)X
6672: 2170(user's)X
6673: 2405(preferences.)X
6674: 2879(When)X
6675: 3115(the)X
6676: 3249(old)X
6677: 3388(user)X
6678: 3560(returns,)X
6679: 3852(he)X
6680: 3961(or)X
6681: 4059(she)X
6682: 720 3642(could)N
6683: 938(invoke)X
6684: 1200(the)X
6685: 1330(same)X
6686: 1533(program)X
6687: 1853(to)X
6688: 1944(restore)X
6689: 2205(the)X
6690: 2335(original)X
6691: 2632(preferences.)X
6692: 7 f
6693: 920 3774(Send)N
6694: 1 f
6695: 1159(could)X
6696: 1382(also)X
6697: 1551(be)X
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6699: 1849(to)X
6700: 1945(record)X
6701: 2196(interactive)X
6702: 2595(sessions)X
6703: 2909(involving)X
6704: 3274(multiple)X
6705: 3596(applications)X
6706: 4049(and)X
6707: 720 3873(then)N
6708: 897(replay)X
6709: 1142(the)X
6710: 1275(sessions)X
6711: 1588(later)X
6712: 1770(\(e.g.)X
6713: 1951(for)X
6714: 2078(demonstration)X
6715: 2608(purposes\).)X
6716: 3017(This)X
6717: 3198(would)X
6718: 3442(require)X
6719: 3715(an)X
6720: 3822(additional)X
6721: 720 3972(Tcl)N
6722: 871(command)X
6723: 1252(called)X
6724: 7 f
6725: 1527(trace)X
6726: 1 f
6727: 1792(;)X
6728: 7 f
6729: 1903(trace)X
6730: 1 f
6731: 2201(would)X
6732: 2454(take)X
6733: 2634(a)X
6734: 2706(single)X
6735: 2950(argument)X
6736: 3316(\(a)X
6737: 3416(Tcl)X
6738: 3566(command)X
6739: 3946(string\))X
6740: 720 4071(and)N
6741: 876(cause)X
6742: 1100(that)X
6743: 1261(command)X
6744: 1637(string)X
6745: 1866(to)X
6746: 1963(be)X
6747: 2074(executed)X
6748: 2415(before)X
6749: 2667(each)X
6750: 2856(other)X
6751: 3065(command)X
6752: 3441(was)X
6753: 3605(executed)X
6754: 3946(in)X
6755: 4043(that)X
6756: 720 4170(interpreter.)N
6757: 1168(Within)X
6758: 1451(a)X
6759: 1527(single)X
6760: 1775(application,)X
6761: 7 f
6762: 2258(trace)X
6763: 1 f
6764: 2560(could)X
6765: 2793(be)X
6766: 2913(used)X
6767: 3111(to)X
6768: 3217(record)X
6769: 3477(each)X
6770: 3674(Tcl)X
6771: 3828(command)X
6772: 720 4269(before)N
6773: 986(it)X
6774: 1078(is)X
6775: 1179(executed,)X
6776: 1556(so)X
6777: 1676(that)X
6778: 1851(the)X
6779: 2001(commands)X
6780: 2425(could)X
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6782: 2786(replayed)X
6783: 3130(later.)X
6784: 3372(In)X
6785: 3486(a)X
6786: 3566 0.2500(multi-application)AX
6787: 720 4368(environment,)N
6788: 1225(a)X
6789: 1301(recorder)X
6790: 1630(program)X
6791: 1965(could)X
6792: 2198(be)X
6793: 2318(built)X
6794: 2518(using)X
6795: 7 f
6796: 2777(send)X
6797: 1 f
6798: 2989(.)X
6799: 3070(The)X
6800: 3244(recorder)X
6801: 3573(sends)X
6802: 3805(a)X
6803: 7 f
6804: 3911(trace)X
6805: 1 f
6806: 720 4467(command)N
6807: 1093(to)X
6808: 1187(each)X
6809: 1373(application)X
6810: 1791(to)X
6811: 1884(be)X
6812: 1991(recorded.)X
6813: 2366(The)X
6814: 7 f
6815: 2558(trace)X
6816: 1 f
6817: 2847(command)X
6818: 3219(arranges)X
6819: 3540(for)X
6820: 3666(information)X
6821: 4107(to)X
6822: 720 4566(be)N
6823: 827(sent)X
6824: 993(back)X
6825: 1183(to)X
6826: 1276(the)X
6827: 1408(recorder)X
6828: 1724(about)X
6829: 1944(each)X
6830: 2129(command)X
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6832: 2838(in)X
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6834: 3088(application.)X
6835: 3549(The)X
6836: 3709(recorder)X
6837: 4024(then)X
6838: 720 4665(logs)N
6839: 909(information)X
6840: 1367(about)X
6841: 1604(which)X
6842: 1860(applications)X
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6844: 2682(which)X
6845: 2938(commands.)X
6846: 3405(The)X
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6848: 3916(can)X
6849: 4079(re-)X
6850: 720 4764(execute)N
6851: 1022(the)X
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6853: 1578(by)X
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6855: 1730(send)X
6856: 1 f
6857: 1942(-ing)X
6858: 2117(them)X
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6860: 2526(to)X
6861: 2628(the)X
6862: 2769(applications)X
6863: 3229(again.)X
6864: 3497(The)X
6865: 7 f
6866: 3698(trace)X
6867: 1 f
6868: 3995(com-)X
6869: 720 4863(mand)N
6870: 938(does)X
6871: 1121(not)X
6872: 1256(yet)X
6873: 1386(exist)X
6874: 1575(in)X
6875: 1666(Tcl,)X
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6877: 1963(it)X
6878: 2035(could)X
6879: 2253(easily)X
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6882: 7 f
6883: 920 4995(Send)N
6884: 1 f
6885: 1156(provides)X
6886: 1483(a)X
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6888: 1766(more)X
6889: 1970(powerful)X
6890: 2310(mechanism)X
6891: 2735(for)X
6892: 2860(communication)X
6893: 3433(between)X
6894: 3749(applications)X
6895: 720 5094(than)N
6896: 899(is)X
6897: 985(available)X
6898: 1331(today.)X
6899: 1598(The)X
6900: 1762(only)X
6901: 1946(easy-to-use)X
6902: 2373(form)X
6903: 2571(of)X
6904: 2671(communication)X
6905: 3248(for)X
6906: 3377(today's)X
6907: 3663(applications)X
6908: 4117(is)X
6909: 720 5193(the)N
6910: 855(selection)X
6911: 1195(or)X
6912: 1294(cut)X
6913: 1428(buffer:)X
6914: 1715(a)X
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6916: 2017(string)X
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6924: 3186(one)X
6925: 3339(application)X
6926: 3758(and)X
6927: 3911(read)X
6928: 4088(by)X
6929: 720 5292(another.)N
6930: 7 f
6931: 1089(Send)X
6932: 1 f
6933: 1331(provides)X
6934: 1664(a)X
6935: 1733(more)X
6936: 1944(general)X
6937: 2233(form)X
6938: 2434(of)X
6939: 2536(communication)X
6940: 3115(akin)X
6941: 3296(to)X
6942: 3394(remote)X
6943: 3668(procedure)X
6944: 4048(call)X
6945: 720 5391([3].)N
6946: 891(If)X
6947: 974(all)X
6948: 1088(of)X
6949: 1186(an)X
6950: 1294(application's)X
6951: 1775(functionality)X
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6956: 3195(Tcl,)X
6957: 3360(as)X
6958: 3457(described)X
6959: 3818(in)X
6960: 3911(Section)X
6961: 720 5490(4,)N
6962: 823(then)X
6963: 7 f
6964: 1043(send)X
6965: 1 f
6966: 1291(makes)X
6967: 1552(all)X
6968: 1677(of)X
6969: 1786(each)X
6970: 1983(application's)X
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6972: 2963(available)X
6973: 3318(to)X
6974: 3423(other)X
6975: 3640(applications)X
6976: 4103(as)X
6977: 720 5589(well.)N
6978: 3 f
6979: 2353 6048(-)N
6980: 2404(10)X
6981: 2514(-)X
6982:
6983: 11 p
6984: %%Page: 11 12
6985: 11 s 11 xH 0 xS 3 f
6986: 720 483(Tcl:)N
6987: 894(An)X
6988: 1028(Embeddable)X
6989: 1525(Command)X
6990: 1942(Language)X
6991: 3466(December)X
6992: 3868(22,)X
6993: 4000(1989)X
6994: 1 f
6995: 920 771(If)N
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6997: 1161(\(and)X
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6999: 1380(send)X
7000: 1 f
7001: 1592(\))X
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7007: 2727(in)X
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7010: 3624(I)X
7011: 3685(believe)X
7012: 3972(that)X
7013: 4137(a)X
7014: 720 870(better)N
7015: 946(kind)X
7016: 1128(of)X
7017: 1226(interactive)X
7018: 1624(environment)X
7019: 2095(would)X
7020: 2340(arise,)X
7021: 2553(consisting)X
7022: 2936(of)X
7023: 3033(a)X
7024: 3096(large)X
7025: 3296(number)X
7026: 3589(of)X
7027: 3686(small)X
7028: 3902(special-)X
7029: 720 969(ized)N
7030: 898(applications)X
7031: 1356(rather)X
7032: 1592(than)X
7033: 1775(a)X
7034: 1845(few)X
7035: 2007(monolithic)X
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7037: 2658(Today's)X
7038: 2977(applications)X
7039: 3435(cannot)X
7040: 3700(communicate)X
7041: 720 1068(with)N
7042: 902(each)X
7043: 1088(other)X
7044: 1294(very)X
7045: 1475(well,)X
7046: 1674(so)X
7047: 1777(each)X
7048: 1963(application)X
7049: 2381(must)X
7050: 2577(incorporate)X
7051: 3002(all)X
7052: 3115(the)X
7053: 3247(functionality)X
7054: 3723(that)X
7055: 3880(it)X
7056: 3954(needs.)X
7057: 720 1167(For)N
7058: 890(example,)X
7059: 1259(some)X
7060: 1493(window-based)X
7061: 2053(debuggers)X
7062: 2462(contain)X
7063: 2770(built-in)X
7064: 3079(text)X
7065: 3260(editors)X
7066: 3548(so)X
7067: 3674(that)X
7068: 3855(they)X
7069: 4054(can)X
7070: 720 1266(highlight)N
7071: 1066(the)X
7072: 1200(current)X
7073: 1475(point)X
7074: 1682(of)X
7075: 1780(execution.)X
7076: 2192(With)X
7077: 2394(Tcl)X
7078: 2537(and)X
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7080: 2720(send)X
7081: 1 f
7082: 2932(,)X
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7084: 3112(debugger)X
7085: 3464(and)X
7086: 3616(the)X
7087: 3749(editor)X
7088: 3980(could)X
7089: 720 1365(be)N
7090: 829(distinct)X
7091: 1116(programs,)X
7092: 1496(with)X
7093: 1679(each)X
7094: 7 f
7095: 1897(send)X
7096: 1 f
7097: 2109(-ing)X
7098: 2277(commands)X
7099: 2685(to)X
7100: 2780(the)X
7101: 2914(other)X
7102: 3121(as)X
7103: 3219(necessary.)X
7104: 3629(Ideally,)X
7105: 3921(monol-)X
7106: 720 1464(ithic)N
7107: 909(applications)X
7108: 1367(could)X
7109: 1594(be)X
7110: 1708(replaced)X
7111: 2037(by)X
7112: 2156(lots)X
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7116: 3100(that)X
7117: 3263(work)X
7118: 3473(together)X
7119: 3792(in)X
7120: 3891(exciting)X
7121: 720 1563(new)N
7122: 894(ways,)X
7123: 1124(just)X
7124: 1280(as)X
7125: 1381(the)X
7126: 1517(UNIX)X
7127: 1763(shells)X
7128: 1992(allowed)X
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7130: 2453(of)X
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7132: 2772(text)X
7133: 2932(processing)X
7134: 3335(applications)X
7135: 3789(to)X
7136: 3885(be)X
7137: 3995(com-)X
7138: 720 1662(bined)N
7139: 945(together.)X
7140: 1307(I)X
7141: 1365(think)X
7142: 1576(that)X
7143: 1738(Tcl,)X
7144: 1907(or)X
7145: 2009(some)X
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7152: 3508(the)X
7153: 3644(glue)X
7154: 3824(that)X
7155: 3985(binds)X
7156: 720 1761(together)N
7157: 1031(the)X
7158: 1161(windowing)X
7159: 1579(applications)X
7160: 2028(of)X
7161: 2123(the)X
7162: 2253(1990's.)X
7163: 3 f
7164: 720 2055(6.)N
7165: 830(Status)X
7166: 1086(and)X
7167: 1250(Performance)X
7168: 1 f
7169: 920 2187(The)N
7170: 1084(Tcl)X
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7181: 3399(in)X
7182: 3494(the)X
7183: 3628(winter)X
7184: 3879(of)X
7185: 3978(1988.)X
7186: 720 2286(In)N
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7188: 965(spring)X
7189: 1217(of)X
7190: 1322(1988)X
7191: 1530(I)X
7192: 1590(incorporated)X
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7199: 2656(editor)X
7200: 2893(\(which)X
7201: 3168(already)X
7202: 3458(existed,)X
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7204: 3905(with)X
7205: 4093(an)X
7206: 720 2385(inferior)N
7207: 1018(command)X
7208: 1399(language\),)X
7209: 1801(and)X
7210: 1961(also)X
7211: 2136(into)X
7212: 2307(a)X
7213: 2379(companion)X
7214: 2804(terminal)X
7215: 3132(emulator)X
7216: 3479(called)X
7217: 3723(Tx.)X
7218: 3898(Both)X
7219: 4103(of)X
7220: 720 2484(these)N
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7222: 1293(have)X
7223: 1489(been)X
7224: 1684(in)X
7225: 1782(use)X
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7230: 2509(community)X
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7232: 3034(Berkeley)X
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7234: 3512(the)X
7235: 3649(last)X
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7238: 4137(a)X
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7240: 926(All)X
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7252: 3429(the)X
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7254: 3592(send)X
7255: 1 f
7256: 3828(command)X
7257: 720 2682(is)N
7258: 806(still)X
7259: 967(in)X
7260: 1063(prototype)X
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7275: 824(Section)X
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7279: 1529(menu)X
7280: 1760(and)X
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7286: 2 f
7287: 3402(mx)X
7288: 1 f
7289: 3504(,)X
7290: 3560(but)X
7291: 3707(in)X
7292: 3810(an)X
7293: 2 f
7294: 3927(ad)X
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8021: 2487(in)X
8022: 2578(Emacs:)X
8023: 2860(applications)X
8024: 3309(cannot)X
8025: 3566(talk)X
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8027: 3812(each)X
8028: 3995(other)X
8029: 720 3347(unless)N
8030: 967(Emacs)X
8031: 1229(acts)X
8032: 1393(as)X
8033: 1492(intermediary)X
8034: 1969(\(e.g.)X
8035: 2151(to)X
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8040: 2721(communication)X
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8043: 4044(two)X
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8045: 1207(code)X
8046: 1411(must)X
8047: 1621(be)X
8048: 1742(written)X
8049: 2030(in)X
8050: 2137(Emacs)X
8051: 2410(to)X
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8053: 2706(information)X
8054: 3161(back)X
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8058: 4068(the)X
8059: 720 3545(applications\).)N
8060: 1250(The)X
8061: 1417(Tcl)X
8062: 1565(approach)X
8063: 1917(is)X
8064: 2006(decentralized:)X
8065: 2553(each)X
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8068: 3314(its)X
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8070: 3608(command)X
8071: 3985(inter-)X
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8080: 2871(other.)X
8081: 920 3776(Lastly,)N
8082: 1190(it)X
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8086: 1849(compare)X
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8089: 2420(NeWS)X
8090: 2681([9],)X
8091: 2832(a)X
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8094: 3480(that)X
8095: 3640(is)X
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8149: 720 4172(server)N
8150: 964(for)X
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8177: 4030(pro-)X
8178: 720 4370(grams)N
8179: 959(as)X
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8238: 720 4898(decentralized)N
8239: 1215(approach)X
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8292: 3234(the)X
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8297: 720 5489(8.)N
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8300: 920 5621(I)N
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8736: 2807(Sun)X
8737: 2970(Microsystems,)X
8738: 3512(Inc.)X
8739: 3672(PN)X
8740: 3810(800-1498-)X
8741: 920 4692(05,)N
8742: 1052(1987.)X
8743: 3 f
8744: 2353 6048(-)N
8745: 2404(13)X
8746: 2514(-)X
8747:
8748: 14 p
8749: %%Trailer
8750: xt
8751:
8752: xs
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