| blob | 8ea4074c89d13278200c9e29f5f5e23dff1ae960 |
1 .\" @(#)e.tmac 2.31 (Berkeley) 5/21/88
2 .\" Modified by James Clark for use with groff.
3 .\"
4 .\" Copyright (c) 1988 Regents of the University of California.
5 .\" All rights reserved.
6 .\"
7 .\" Redistribution and use in source and binary forms are permitted
8 .\" provided that this notice is preserved and that due credit is given
9 .\" to the University of California at Berkeley. The name of the University
10 .\" may not be used to endorse or promote products derived from this
11 .\" software without specific prior written permission. This software
12 .\" is provided ``as is'' without express or implied warranty.
13 .\" %beginstrip%
14 .\"
15 .\"**********************************************************************
16 .\"* *
17 .\"* ****** - M E N R O F F / T R O F F M A C R O S ****** *
18 .\"* *
19 .\"* Produced for your edification and enjoyment by: *
20 .\"* Eric Allman *
21 .\"* Electronics Research Laboratory *
22 .\"* U.C. Berkeley. *
23 .\"* current address: *
24 .\"* Britton-Lee, Inc. *
25 .\"* 1919 Addison Street Suite 105 *
26 .\"* Berkeley, California 94704 *
27 .\"* *
28 .\"* VERSION 2.31 First Release: 11 Sept 1978 *
29 .\"* *
30 .\"* Documentation is available. *
31 .\"* *
32 .\"**********************************************************************
33 .\"
34 .\" Code on .de commands:
35 .\" *** a user interface macro.
36 .\" &&& a user interface macro which is redefined
37 .\" when used to be the real thing.
38 .\" $$$ a macro which may be redefined by the user
39 .\" to provide variant functions.
40 .\" --- an internal macro.
41 .\"
42 .if !\n(.g .ig
43 .de @R \" --- initialize number register to 0, if undefined
44 .if !r\\$1 .nr \\$1 0
45 ..
46 .@R pf
47 .if \n(pf .nx
48 .if !\n(.g .ig
49 .de @S \" --- initialize string/macro to empty, if undefined
50 .if !d\\$1 .ds \\$1 \" empty
51 ..
52 .@R @\" \" debugging level
53 .\" *** INTERNAL GP MACROS ***
54 .de @C \" --- change ev's, taking info with us
55 .nr _S \\n(.s
56 .nr _V \\n(.v
57 .nr _F \\n(.f
58 .do ds _A \\n[.fam]
59 .nr _I \\n(.i
60 .ev \\$1
61 .ps \\n(_S
62 .vs \\n(_Vu
63 .ft \\n(_F
64 .do @fam \\*(_A
65 'in \\n(_Iu
66 .xl \\n($lu
67 .lt \\n($lu
68 .rr _S
69 .rr _V
70 .rr _F
71 .rr _I
72 .ls 1
73 'ce 0
74 ..
75 .de @D \" --- determine display type (Indent, Left, Center)
76 .ds |p "\\$3
77 .nr _d 0
78 .if "\\$2"C" \
79 . nr _d 1
80 .if "\\$2"L" \
81 . nr _d 2
82 .if "\\$2"I" \
83 . nr _d 3
84 .if "\\$2"M" \
85 . nr _d 4
86 .if !\\n(_d \{\
87 . nr _d \\$1
88 . ds |p "\\$2
89 .\}
90 ..
91 .de @z \" --- end macro
92 .if \n@>1 .tm >> @z, .z=\\n(.z ?a=\\n(?a
93 .if !"\\n(.z"" \
94 \{\
95 . tm Line \\n(c. -- Unclosed block, footnote, or other diversion (\\n(.z)
96 . di
97 . ex
98 .\}
99 .if \\n(?a \
100 . bp \" force out final table
101 .ds bp
102 .ds @b\" \" don't start another page
103 .br
104 .if \n@>1 .tm << @z
105 ..
106 .\" *** STANDARD HEADERS AND FOOTERS ***
107 .ie \n(.g .ds $* \\\\$*
108 .el .ds $* \\\\$1 \\\\$2 \\\\$3 \\\\$4 \\\\$5 \\\\$6 \\\\$7 \\\\$8 \\\\$9
109 .de he \" *** define header
110 .ie !\\n(.$ \
111 \{\
112 . rm |4
113 . rm |5
114 .\}
115 .el \
116 \{\
117 . ds |4 "\*($*
118 . ds |5 "\*($*
119 .\}
120 ..
121 .de eh \" *** define even header
122 .ie !\\n(.$ \
123 . rm |4
124 .el \
125 . ds |4 "\*($*
126 ..
127 .de oh \" *** define odd header
128 .ie !\\n(.$ \
129 . rm |5
130 .el \
131 . ds |5 "\*($*
132 ..
133 .de fo \" *** define footer
134 .ie !\\n(.$ \
135 \{\
136 . rm |6
137 . rm |7
138 .\}
139 .el \
140 \{\
141 . ds |6 "\*($*
142 . ds |7 "\*($*
143 .\}
144 ..
145 .de ef \" *** define even foot
146 .ie !\\n(.$ \
147 . rm |6
148 .el \
149 . ds |6 "\*($*
150 ..
151 .de of \" *** define odd footer
152 .ie !\\n(.$ \
153 . rm |7
154 .el \
155 . ds |7 "\*($*
156 ..
157 .de ep \" *** end page (must always be followed by a .bp)
158 .if \\n(nl>0 \
159 \{\
160 . wh 0
161 . rs
162 . @b
163 .\}
164 ..
165 .\" *** INTERNAL HEADER AND FOOTER MACROS ***
166 .de @h \" --- header
167 .if \n@>1 .tm >> @h %=\\n% ?a=\\n(?a ?b=\\n(?b ?w=\\n(?w
168 .if (\\n(.i+\\n(.o)>=\\n(.l \
169 . tm Line \\n(c. -- Offset + indent exceeds line length
170 .\" initialize a pile of junk
171 .nr ?h \\n(?H \" transfer "next page" to "this page"
172 .nr ?H 0
173 .nr ?c \\n(?C
174 .nr ?C 0
175 .rn |4 |0
176 .rn |5 |1
177 .rn |6 |2
178 .rn |7 |3
179 .nr _w 0 \" reset max footnote width
180 .nr ?W 0 \" no wide floats this page (yet)
181 .nr ?I 1
182 .\" begin actual header stuff
183 .ev 2
184 .rs
185 .if \\n(hm>0 \
186 . sp |\\n(hmu \" move to header position
187 .@t $h \" output header title
188 .if \\n(tm<=0 \
189 . nr tm \n(.Vu
190 .sp |\\n(tmu \" move to top of text
191 .ev
192 .mk _k \" for columned output
193 .if \\n(?n .nm 1 \" restore line numbering if n1 mode
194 .nr $c 1 \" set first column
195 .if \n@>4 .tm -- @h >> .ns nl=\\n(nl %=\\n% _k=\\n(_k tm=\\n(tm
196 .ie \\n(?s \
197 \{\
198 . nr ?s 0
199 . rs
200 ' @b
201 .\}
202 .el \
203 . @n \" begin the column
204 .if \n@>2 .tm << @h
205 ..
206 .de @n \" --- new column or page
207 .if \n@>3 .tm >> @n nl=\\n(nl %=\\n% ?f=\\n(?f ?o=\\n(?o
208 .if \\n(bm<=0 \
209 . nr bm \\n(.Vu
210 .if (\\n(_w<=\\n($l)&(\\n(?W=0) \
211 \{\
212 . nr _b (\\n(ppp*\\n($vu)/200u \" compute fudge factor (must be < 1P)
213 . if \\n(_bu>((\\n(bmu-\\n(fmu-((\\n(tpp*\\n($vu)/100u))/2u) \
214 . nr _b (\\n(ppp*\\n($vu)/100u-\n(.Vu
215 . nr _b +\\n(bmu
216 .\}
217 .nr _B \\n(_bu
218 .ch @f
219 .wh -\\n(_bu @f
220 .nr _b +(\\n(ppp*\\n($vu)/100u \" add 1 paragraph v in case of sweep past
221 .if \n@>2 .tm @n .p=\\n(.p bm=\\n(bm _b=\\n(_b _B=\\n(_B
222 .nr ?f 0 \" reset footnote flag
223 .if \\n(?o \
224 \{\
225 . (f _ \" reprocess footnotes which run off page
226 . nf
227 . |o
228 . fi
229 . )f
230 . rm |o
231 .\}
232 .nr ?o 0
233 .if \\n(?T \
234 \{\
235 . nr _i \\n(.i
236 . in 0
237 . |h \" output the table header
238 . in \\n(_iu
239 . rr _i
240 . mk #T \" for tbl commands
241 . ns
242 .\}
243 .if (\\n(?a)&((\\n($c<2):(\\n(?w=0)) \
244 \{\
245 . nr ?a 0 \" output floating keep
246 . @k |t
247 . if \\n(?w \
248 . mk _k \" don't overstrike wide keeps
249 . nr ?w 0
250 .\}
251 .os
252 .$H \" special column header macro
253 .ns
254 ..
255 .de @f \" --- footer
256 .if \n@>1 .tm >> @f %=\\n% nl=\\n(nl ?a=\\n(?a ?b=\\n(?b ?f=\\n(?f
257 .if \n@>2 .nr VL \\n(.pu-\\n(nlu
258 .if \n@>2 .tm @f bm=\\n(bm _B=\\n(_B _b=\\n(_b .p-nl=\\n(VL
259 .ec
260 .if \\n(?T \
261 \{\
262 . nr T. 1 \" for tbl commands (to output bottom line)
263 . T# 1 \" output the sides and bottom lines
264 . br
265 .\}
266 .ev 2
267 .ce 0
268 .if \\n(?b \
269 \{\
270 . nr ?b 0
271 . @k |b\" \" output bottom of page tables
272 .\}
273 .if \\n(?f \
274 . @o \" output footnote if present
275 .ie \\n($c<\\n($m \
276 . @c \" handle new column
277 .el \
278 . @e \" new page
279 .ev
280 .if \n@>2 .tm << @f
281 ..
282 .de @o \" --- output footnote
283 .nf
284 .ls 1
285 .in 0
286 .if \n@>2 .tm @o last printed text = \\n(nl placing @r trap at -\\n(_B
287 .wh -\\n(_Bu @r
288 .|f
289 .fi
290 .if \n@>2 .tm @o triggered @r (?o) = \\n(?o
291 .if \\n(?o \
292 \{\
293 . di \" just in case triggered @r
294 . if \\n(dn=0 \
295 \{\
296 . rm |o
297 . nr ?o 0
298 . \}
299 . nr dn \\n(_D
300 . rr _D
301 .\}
302 .rm |f
303 .ch @r
304 ..
305 .de @c \" --- new column
306 .if \n@>2 .tm >> @c %=\\n%
307 .rs
308 .sp |\\n(_ku
309 .@O +\\n($lu+\\n($su
310 .nr $c +1
311 .@n
312 ..
313 .de @e \" --- end page
314 .if \n@>2 .tm >> @e
315 .@O \\n(_ou
316 .rs
317 .sp |\\n(.pu-\\n(fmu-((\\n(tpp*\\n($vu)/100u) \" move to footer position
318 .@t $f \" output footer title
319 .nr ?h 0
320 .bp
321 ..
322 .de @t \" --- output header or footer title
323 .if !\\n(?h \
324 \{\
325 . sz \\n(tp \" set header/footer type fonts, etc.
326 . @F \\n(tf
327 . lt \\n(_Lu \" make title span entire page
328 . nf
329 . \\$1
330 . br
331 .\}
332 ..
333 .de $h \" $$$ print header
334 .ds |z
335 .if !\\n(?c \
336 \{\
337 . if e .ds |z "\\*(|0
338 . if o .ds |z "\\*(|1
339 .\}
340 .if !\(ts\\*(|z\(ts\(ts \
341 ' tl \\*(|z
342 .rm |z
343 ..
344 .de $f \" $$$ print footer
345 .ds |z
346 .if \\n(?c \
347 \{\
348 . if e .ds |z "\\*(|0
349 . if o .ds |z "\\*(|1
350 .\}
351 .if \(ts\\*(|z\(ts\(ts \
352 \{\
353 . if e .ds |z "\\*(|2
354 . if o .ds |z "\\*(|3
355 .\}
356 .if !\(ts\\*(|z\(ts\(ts \
357 ' tl \\*(|z
358 .rm |z
359 ..
360 .de @r \" --- reprocess overflow footnotes
361 .if \n@>3 .tm >> @r .z=\\n(.z ?f=\\n(?f ?a=\\n(?a ?b=\\n(?b _b=\\n(_b
362 .di |o \" save overflow footnote
363 .nr ?o 1
364 .nr _D \\n(dn
365 .ns
366 ..
367 .\" *** COMMANDS WITH VARIANT DEFINITIONS ***
368 .rn bp @b \" --- begin page
369 .de bp \" *** begin new page (overrides columns)
370 .nr $c \\n($m \" force new page, not new column
371 .ie \\n(nl>0 \
372 . @b \\$1
373 .el \
374 \{\
375 . if \\n(.$>0 \
376 . pn \\$1
377 . if \\n(?I \
378 . @h \" 'spring' the header trap
379 .\}
380 .br
381 .wh 0 @h \" reset header
382 ..
383 .rn ll xl \" *** special line length (local)
384 .de ll \" *** line length (global to environments)
385 .xl \\$1
386 .lt \\$1
387 .nr $l \\n(.l
388 .if (\\n($m<=1):(\\n($l>\\n(_L) \
389 . nr _L \\n(.l
390 ..
391 .rn po @O \" --- local page offset
392 .de po \" *** page offset
393 .@O \\$1
394 .nr _o \\n(.o
395 ..
396 .\" Redefine the fam request to set the family in
397 .\" environment 2 as well as the current environment.
398 .if !\n(.g .ig
399 .do rn fam @fam \" --- set family in current environment
400 .do de fam \" *** set font family in ev 2 and current ev
401 .do @fam \\$1
402 .ev 2
403 .do @fam \\$1
404 .ev
405 ..
406 .\" *** MISCELLANEOUS ROFF COMMANDS ***
407 .de hx \" *** suppress headers and footers next page
408 .nr ?H 1
409 ..
410 .de ix \" *** indent, no break
411 'in \\$1
412 ..
413 .de bl \" *** contiguous blank lines
414 .br
415 .ne \\$1
416 .rs
417 .sp \\$1
418 ..
419 .de n1 \" *** line numbering 1
420 .nm 1
421 .xl -\w'0000'u
422 .nr ?n 1
423 ..
424 .de n2 \" *** line numbering 2
425 .nm \\$1
426 .ie \\n(.$ \
427 . xl -\w'0000'u
428 .el \
429 . xl \\n($lu
430 ..
431 .de pa \" *** new page
432 .bp \\$1
433 ..
434 .de ro \" *** roman page numbers
435 .af % i
436 ..
437 .de ar \" *** arabic page numbers
438 .af % 1
439 ..
440 .de m1 \" *** position one space
441 .nr _0 \\n(hmu
442 .nr hm \\$1v
443 .nr tm +\\n(hmu-\\n(_0u
444 .rr _0
445 ..
446 .de m2 \" *** position two space
447 .nr tm \\n(hmu+\\n(tpp+\\$1v
448 ..
449 .de m3 \" *** position three space
450 .nr bm \\n(fmu+\\n(tpp+\\$1v
451 ..
452 .de m4 \" *** position four space
453 .nr _0 \\n(fmu
454 .nr fm \\$1v
455 .nr bm +\\n(fmu-\\n(_0u
456 ..
457 .de sk \" *** leave a blank page (next page)
458 .if \\n(.$>0 \
459 . tm Line \\n(c. -- I cannot skip multiple pages
460 .nr ?s 1
461 ..
462 .\" *** MISCELLANEOUS USER SUPPORT COMMANDS ***
463 .if !\n(.g .ig
464 .de re \" *** reset tabs (TROFF defines 15 stops default)
465 .ta T 0.5i
466 ..
467 .if \n(.g .ig
468 .de re
469 .ta 0.5i +0.5i +0.5i +0.5i +0.5i +0.5i +0.5i +0.5i +0.5i +0.5i +0.5i +0.5i +0.5i +0.5i +0.5i
470 ..
471 .de ba \" *** set base indent
472 .ie \\n(.$ \
473 . nr $i \\$1n
474 .el \
475 . nr $i \\n(siu*\\n($0u
476 ..
477 .de hl \" *** draw horizontal line
478 .br
479 .ie \n(.g .do nr _I \\n[.in]
480 .el .nr _I \\n(.i
481 \l'\\n(.lu-\\n(_Iu'
482 .sp
483 ..
484 .\" *** PARAGRAPHING ***
485 .de pp \" *** paragraph
486 .lp \\n(piu
487 ..
488 .de lp \" *** left aligned paragraph
489 .@p
490 .if \\n(.$ \
491 . ti +\\$1
492 .nr $p 0 1
493 ..
494 .de ip \" *** indented paragraph w/ optional tag
495 .if (\\n(ii>0)&(\\n(ii<1n) \
496 . nr ii \\n(iin
497 .nr _0 \\n(ii
498 .if \\n(.$>1 \
499 . nr _0 \\$2n
500 .@p \\n(_0u
501 .nr _I \\n(.iu
502 .in 0
503 .di |i
504 \&\\$1
505 .br
506 .di
507 .in \\n(_Iu
508 .ds |j \\*(|i\\
509 .if \\w"\\*(|j" \
510 \{\
511 . ti -\\n(_0u
512 . ie \\w"\\*(|j">=\\n(_0 \
513 \{\
514 \\*(|j
515 . br
516 . \}
517 . el \\*(|j\h'|\\n(_0u'\c
518 .\}
519 .rr _0
520 .rm |i |j
521 ..
522 .de np \" *** numbered paragraph
523 .\" use string comparison in case user has changed format of $p
524 .if '\\n($p'-1' \
525 . nr $p 0 \" reset number after .bu
526 .nr $p +1 \" increment paragraph number
527 .@p \w'\0(000)\0'u
528 .ti -\w'\0(000)\0'u
529 \0(\\n($p)\h'|\w'\0(000)\0'u'\c
530 ..
531 .de bu \" *** bulleted paragraph
532 .br
533 .\" use string comparison in case user has changed format of $p
534 .if '\\n($p'-1' \
535 . ns \" don't space between .bu paragraphs
536 .nr $p 0-1 \" mark "bulleted paragraph" mode
537 .@p \w'\0\(bu\0'u
538 .ti -\w'\0\(bu\0'u
539 \0\(bu\0\c
540 ..
541 .de @p \" --- initialize for paragraph
542 .if "\\n(.z"|e" .tm Line \\n(c. -- Unmatched continued equation
543 .in \\n($iu+\\n(pou
544 .if \\n(.$ \
545 . in +\\$1n
546 .ce 0
547 .fi
548 .@F \\n(pf
549 .sz \\n(pp
550 .sp \\n(psu
551 .ne \\n(.Lv+\\n(.Vu
552 .ns
553 ..
554 .\" *** SECTION HEADINGS ***
555 .de sh \" *** section heading
556 .fi
557 .if (\\n(si>0)&(\\n(si<1n) \
558 . nr si \\n(sin
559 .ce 0
560 .@d "\\$1" +1 \\$3 \\$4 \\$5 \\$6 \\$7 \\$8
561 .if !"\\$2"_" \
562 \{\
563 . ds |n \&\\$2
564 . $p "\\*(|n" "\\*($n" \\n($0
565 . $0 "\\*(|n" "\\*($n" \\n($0
566 . rm |n
567 .\}
568 .nr $p 0 1 \" reset .np count
569 ..
570 .de @d \" --- change section depth
571 .if !""\\$1" \
572 . nr $0 \\$1
573 .if \\n($0&(\\n(.$>1) \
574 . nr $\\n($0 \\$2
575 .ds $n \&\"
576 .ie \\n($0>=1 \
577 \{\
578 . if '\\n($1'0' \
579 . nr $1 1
580 . if (\\n(.$>=3) .if !"\\$3"-" \
581 . nr $1 \\$3
582 . as $n \\n($1
583 .\}
584 .el \
585 . nr $1 0
586 .ie \\n($0>=2 \
587 \{\
588 . if '\\n($2'0' \
589 . nr $2 1
590 . if (\\n(.$>=4) .if !"\\$4"-" \
591 . nr $2 \\$4
592 . as $n .\\n($2
593 .\}
594 .el \
595 . nr $2 0
596 .ie \\n($0>=3 \
597 \{\
598 . if '\\n($3'0' \
599 . nr $3 1
600 . if (\\n(.$>=5) .if !"\\$5"-" \
601 . nr $3 \\$5
602 . as $n .\\n($3
603 .\}
604 .el \
605 . nr $3 0
606 .ie \\n($0>=4 \
607 \{\
608 . if '\\n($4'0' \
609 . nr $4 1
610 . if (\\n(.$>=6) .if !"\\$6"-" \
611 . nr $4 \\$6
612 . as $n .\\n($4
613 .\}
614 .el \
615 . nr $4 0
616 .ie \\n($0>=5 \
617 \{\
618 . if '\\n($5'0' \
619 . nr $5 1
620 . if (\\n(.$>=7) .if !"\\$7"-" \
621 . nr $5 \\$7
622 . as $n .\\n($5
623 .\}
624 .el \
625 . nr $5 0
626 .ie \\n($0>=6 \
627 \{\
628 . if '\\n($6'0' \
629 . nr $6 1
630 . if (\\n(.$>=8) .if !"\\$8"-" \
631 . nr $6 \\$8
632 . as $n .\\n($6
633 .\}
634 .el \
635 . nr $6 0
636 ..
637 .de sx \" *** heading up, no increment (2.1.1 -> 2.1)
638 .ce 0
639 .ul 0
640 .nr _0 \\n($0-1
641 .if \\n(.$ .nr _0 +1
642 .if \\n(.$ .nr _0 \\$1
643 .@d \\n(_0
644 .rr _0
645 .$p "" "" \\n($0
646 .nr $p 0 1 \" reset .np count
647 ..
648 .de uh \" *** unnumbered section heading
649 .$p "\\$1"
650 .$0 "\\$1"
651 ..
652 .de $p \" $$$ print section heading
653 .if (\\n(si>0)&(\\n(.$>2) \
654 . nr $i \\$3*\\n(si
655 .in \\n($iu
656 .ie !"\\$1\\$2"" \
657 \{\
658 . sp \\n(ssu \" one of them is non-null
659 . ne \\n(.Lv+\\n(.Vu+\\n(psu+((\\n(spp*\\n($vu*\\n(.Lu)/100u)
660 . \" exdent if \\$3 > 0
661 . ie 0\\$3 \
662 . ti -(\\n(siu-\\n(sou)
663 . el \
664 . ti +\\n(sou
665 . @F \\n(sf
666 . sz \\n(sp
667 . if 0\\$3 \
668 . $\\$3
669 . if \w"\\$2">0 \\$2.
670 . if \w"\\$1">0 \\$1\f1\ \ \&
671 .\}
672 .el \
673 . sp \\n(psu
674 .@F \\n(pf
675 .sz \\n(pp
676 ..
677 .\" *** COLUMNNED OUTPUT ***
678 .de 2c \" *** double columned output
679 .br
680 .if \\n($m>1 \
681 . 1c \" revert to 1c if already 2c
682 .nr $c 1
683 .nr $m 2
684 .if \\n(.$>1 \
685 . nr $m \\$2
686 .if \\n(.$>0 \
687 . nr $s \\$1n \" param 1: column seperation
688 .nr $l (\\n(.l-((\\n($m-1)*\\n($s))/\\n($m
689 .xl \\n($lu
690 .mk _k
691 .ns
692 ..
693 .de 1c \" *** single columned output
694 .br
695 .nr $c 1
696 .nr $m 1
697 .ll \\n(_Lu \" return to normal output
698 .sp |\\n(.hu
699 .@O \\n(_ou
700 ..
701 .de bc \" *** begin column
702 .sp 24i
703 ..
704 .\" *** FLOATING TABLES AND NONFLOATING BLOCKS ***
705 .de (z \" *** begin floating keep
706 .if \n@>4 .tm >> (z, .z=\n(.z
707 .@D 4 \\$1 \\$2
708 .@(
709 ..
710 .de )z \" *** end floating keep
711 .if \n@>4 .tm >> )z, .z=\n(.z
712 .sp \\n(zsu
713 .@)
714 .if \n@>4 .tm -- )z << @), .z=\n(.z
715 .rr _0
716 .if !\\n(?b \
717 . nr dn +(\\n(ppp*\\n($vu)/200u+\\n(zsu
718 .nr dl -\n(.H \" fudge factor necessary to make it work
719 .ie ((\\n(dn+\n(.V)>=\\n(.t):(\\n(?a):((\\n(dl>\\n($l)&(\\n($c>1)) \
720 \{\
721 . nr ?a 1
722 . if (\\n(dl>\\n($l)&(\\n($m>1) \
723 . nr ?w 1 \" mark wider than one column (top)
724 . ds |x |t
725 .\}
726 .el \
727 \{\
728 . nr ?b 1
729 . if (\\n(dl>\\n($l)&(\\n($m>1) \
730 . nr ?W 1 \" mark wider than one column (bottom)
731 . nr _b +\\n(dnu
732 . \" avoid moving @f back past the current position
733 . if \\n(.p-\\n(nl-\n(.V<\\n(_b \
734 . nr _b \\n(.p-\\n(nl-\n(.V
735 . ch @f -\\n(_bu
736 . ds |x |b
737 .\}
738 .da \\*(|x \" copy to save macro
739 .nf
740 .ls 1
741 .nr ?k 1
742 .if \n@>4 .tm -- )z >> \\*(|x
743 \!.if \\\\n(nl>(\\\\n(tm+2v) .ne \\n(dnu-\\n(zsu
744 .|k\" \" and the body
745 .ec
746 .if \n@>4 .tm -- )z << \\*(|x, .z=\\n(.z
747 .nr ?k 0
748 .rm |k\" \" remove the temp macro
749 .da
750 .in 0
751 .ls 1
752 .xl \\n($lu
753 .ev
754 .if \n@>4 .tm << )z, .z=\\n(.z
755 ..
756 .de @k \" --- output floating keep
757 .if \n@>4 .tm >> @k, $1=\\$1, .z=\\n(.z
758 .ev 1
759 .nf
760 .ls 1
761 .in 0
762 .sp \\n(zsu
763 .\\$1
764 .ec
765 .br
766 .rm \\$1
767 .ev
768 ..
769 .de (t \" XXX temp ref to (z
770 .(z \\$1 \\$2
771 ..
772 .de )t \" XXX temp ref to )t
773 .)z \\$1 \\$2
774 ..
775 .de (b \" *** begin block
776 .br
777 .@D 3 \\$1 \\$2
778 .sp \\n(bsu
779 .@(
780 ..
781 .de )b \" *** end block
782 .br
783 .@)
784 .if (\\n(bt=0):(\\n(.t<\\n(bt) \
785 . ne \\n(dnu \" make it all on one page
786 .ls 1
787 .nf
788 .|k
789 .ec
790 .fi
791 .in 0
792 .xl \\n($lu
793 .ev
794 .rm |k
795 .sp \\n(bsu+\\n(.Lv-1v
796 ..
797 .de @( \" --- begin keep
798 .if !"\\n(.z"" .tm Line \\n(c. -- Illegal nested keep \\n(.z
799 .@M
800 .di |k
801 \!'rs
802 ..
803 .de @M \" --- set modes for display
804 .nr ?k 1
805 .@C 1
806 .@F \\n(df
807 .if \\n($R .@V
808 .vs \\n(.sp*\\n($Vu/100u
809 .nf
810 .if "\\*(|p"F" \
811 . fi \" set fill mode if "F" parameter
812 .if \\n(_d=4 \
813 . in 0
814 .if \\n(_d=3 \
815 \{\
816 . in +\\n(biu
817 . xl -\\n(biu
818 .\}
819 .if \\n(_d=1 \
820 . ce 10000
821 ..
822 .de @) \" --- end keep
823 .br
824 .if !"\\n(.z"|k" .tm Line \\n(c. -- Close of a keep which has never been opened
825 .nr ?k 0
826 .di
827 .in 0
828 .ce 0
829 ..
830 .de (c \" *** begin block centered text
831 .if "\\n(.z"|c" .tm Line \\n(c. -- Nested .(c requests
832 .di |c
833 ..
834 .de )c \" *** end block centered text
835 .if !"\\n(.z"|c" .tm Line \\n(c. -- Unmatched .)c
836 .br \" force out final line
837 .di
838 .if \n@>4 .tm >> .)c .l=\\n(.l .i=\\n(.i $i=\\n($i dl=\\n(dl
839 .ev 1
840 .ls 1
841 .in (\\n(.lu-\\n(.iu-\\n(dlu)/2u
842 .if \n@>4 .tm -- .)c << .in .l=\\n(.l .i=\\n(.i dl=\\n(dl
843 .nf
844 .|c
845 .ec
846 .in
847 .ls
848 .ev
849 .rm |c
850 ..
851 .\" *** BLOCK QUOTES (OR WHATEVER) AND LISTS ***
852 .de (q \" *** begin block quote
853 .br
854 .@C 1
855 .fi
856 .sp \\n(qsu
857 .in +\\n(qiu
858 .xl -\\n(qiu
859 .sz \\n(qp
860 ..
861 .de )q \" *** end block quote
862 .br
863 .ev
864 .sp \\n(qsu+\\n(.Lv-1v
865 .nr ?k 0
866 ..
867 .de (l \" *** begin list
868 .br
869 .sp \\n(bsu
870 .@D 3 \\$1 \\$2
871 .@M
872 ..
873 .de )l \" *** end list
874 .br
875 .ev
876 .sp \\n(bsu+\\n(.Lv-1v
877 .nr ?k 0
878 ..
879 .\" *** PREPROCESSOR SUPPORT ***
880 .\"
881 .\" EQN
882 .\"
883 .de EQ \" *** equation start
884 .ec
885 .if !\\n(?e \
886 \{\
887 . if "\\n(.z"|e" .tm Line \\n(c. -- Nested .EQ request
888 . @D 1 "\\$1" "\\$2"
889 . @C 2
890 . di |e
891 .\}
892 .ls 1
893 .in 0
894 .nf
895 ..
896 .de EN \" *** equation end
897 .br
898 .ie "\\$1"C" \
899 \{\
900 . nr ?e 1
901 . sp \\n(esu
902 .\}
903 .el \
904 \{\
905 . nr ?e 0
906 . di
907 . if \\n(dn \
908 . @q \" actual equation output
909 . rm |e
910 . ev
911 .\}
912 ..
913 .de @q \" --- equation output
914 .nr _Q \\n(dnu
915 .ev
916 .sp \\n(esu \" output rest of preceeding text
917 .if !"\\n(.z"" \!.ne \\n(_Qu
918 .ne \\n(_Qu+\n(.Vu \" keep it on one page
919 .@C 2 \" .ev 2 may be jumbled from header
920 .if \\n(_d=1 \
921 . in (\\n(.lu+\\n($iu-\\n(dlu)/2u
922 .if \\n(_d=2 \
923 . in \\n($iu
924 .if \\n(_d=3 \
925 . in \\n(biu+\\n($iu
926 .if \\n(_d=4 \
927 . in 0
928 .mk _q
929 .if \n@>1 .tm --@e: _Q=\\n(_Q _q=\\n(_q nl=\\n(nl |p=\\*(|p
930 .if !"\\*(|p"" \
931 \{\
932 . rs
933 . sp (\\n(_Qu-\\n(.vu)/2u
934 . tl """\\*(|p"
935 . rt \\n(_qu
936 .\}
937 .|e
938 .sp |\\n(_qu+\\n(_Qu
939 .sp \\n(esu+\\n(.Lv-1v
940 .rr _q
941 .rr _Q
942 ..
943 .\"
944 .\" TBL
945 .\"
946 .de TS \" *** table start
947 .sp \\n(bsu
948 .@C 1
949 .fi \" drop into fill mode for text boxes
950 .if "\\$1"H" \
951 \{\
952 . di |h \" save header part
953 . nr ?T 1
954 .\}
955 .ls 1
956 .ch @f -(\\n(_bu+1v) \" set pseudo-trap for bottom line
957 .if \\n(.p-\\n(_b-1v<=\\n(nl \
958 . ch @f \\n(nlu+\n(.Vu
959 ..
960 .de TH \" *** end header part of table
961 .nr T. 0
962 .T# 0
963 .di
964 .nr _T \\n(?T
965 .nr ?T 0
966 .ne \\n(dnu+1v
967 .nr ?T \\n(_T
968 .nr _i \\n(.i
969 .in 0
970 .|h \" put in the initial header
971 .in \\n(_iu
972 .rr _i
973 .mk #T
974 ..
975 .de TE \" *** table end
976 .nr ?T 0
977 .ch @f -\\n(_bu \" reset pseudo-trap
978 .if \\n(.p-\\n(_b<=\\n(nl \
979 . ch @f \\n(nlu+\n(.Vu
980 .ev
981 .sp \\n(bsu+\\n(.Lv-1v
982 .re
983 ..
984 .de T&
985 ..
986 .\"
987 .\" REFER
988 .\"
989 .de ][ \" *** refer output
990 .if \\$1>5 .tm Bad arg to []
991 .[\\$1
992 ..
993 .de [0 \" --- other
994 .(f
995 .ip "\\*([F.\0"
996 .if !"\\*([A"" \\*([A,
997 .if !"\\*([T"" \\f2\\*([T\\f1\c
998 .if !"\\*([T"" .if !"\\*([O"" ,\ \"
999 .ie !"\\*([O"" \\*([O
1000 .el .if !"\\*([T"" \&.
1001 .if !"\\*([D"" \\*([D.
1002 .@p
1003 .)f
1004 ..
1005 .de [1 \" --- journal article
1006 .(f
1007 .ip "\\*([F.\0"
1008 \\*([A,
1009 .if !"\\*([T"" \\*(lq\\*([T,\\*(rq
1010 .if "\\*([V"" \\f2\\*([J\\f1,
1011 .if !"\\*([V"" \\f2\\*([J\\f1
1012 .if !"\\*([V"" \\f3\\*([V\\f1\c
1013 .if !"\\*([N"" (\\*([N)\c
1014 .if !"\\*([P"" \
1015 \{\
1016 . ie \\n([P>0 \ pp.\&
1017 . el \ p.\&
1018 \\*([P
1019 .\}
1020 .if !"\\*([I"" .if "\\*([R"" \\*([I,
1021 (\\*([D).
1022 .if !"\\*([O"" \\*([O
1023 .)f
1024 ..
1025 .de [2 \" --- book
1026 .(f
1027 .ip "\\*([F.\0"
1028 \\*([A, \\f2\\*([T,\\f1
1029 \\*([I\c
1030 .if !"\\*([C"" , \\*([C\c
1031 (\\*([D).
1032 .if !"\\*([G"" Gov't. ordering no. \\*([G
1033 .if !"\\*([O"" \\*([O
1034 .)f
1035 ..
1036 .de [3 \" --- article in book
1037 .(f
1038 .ip "\\*([F.\0"
1039 \\*([A, \\*(lq\\*([T,\\*(rq
1040 .if !"\\*([P"" pp. \\*([P
1041 in \\f2\\*([B\\f1, \c
1042 .if !"\\*([E"" ed. \\*([E, \c
1043 .if !"\\*([I"" \\*([I\c
1044 .if !"\\*([C"" , \\*([C\c
1045 (\\*([D).
1046 .if !"\\*([O"" \\*([O
1047 .)f
1048 ..
1049 .de [4 \" --- report
1050 .(f
1051 .ip "\\*([F.\0"
1052 \\*([A, \\*(lq\\*([T,\\*(rq
1053 \\*([R\c
1054 .if !"\\*([G"" \& (\\*([G)\c
1055 .if !"\\*([I"" , \\*([I\c
1056 .if !"\\*([C"" , \\*([C\c
1057 (\\*([D).
1058 .if !"\\*([O"" \\*([O
1059 .)f
1060 ..
1061 .de [5 \" --- tm style
1062 .(f
1063 .ip "\\*([F.\0"
1064 \\*([A, \\f2\\*([T\\f1,
1065 .ie \\n(TN \\*([M.
1066 .el Bell Laboratories internal memorandum (\\*([D).
1067 .)f
1068 ..
1069 .de ]<
1070 .$p References
1071 .lp
1072 .rm (f )f
1073 ..
1074 .de ]>
1075 .sp
1076 ..
1077 .de ]-
1078 .rm [V [P [A [T [N [C [B [O [R [I [E [D
1079 ..
1080 .ie \n(.V<1v \
1081 \{\
1082 . ds [. \s-2\v'-.4m'\f1
1083 . ds .] \v'.4m'\s+2\fP
1084 .\}
1085 .el \
1086 \{\
1087 . ds [. " [
1088 . ds .] ]
1089 .\}
1090 .\"
1091 .\" IDEAL
1092 .\"
1093 .de IS \" *** start ideal picture
1094 .nr g7 \\n(.u
1095 .ls 1
1096 ..
1097 .de IF
1098 .if \\n(g7 .fi
1099 .ls
1100 ..
1101 .de IE \" *** end ideal picture
1102 .if \\n(g7 .fi
1103 .ls
1104 ..
1105 .\"
1106 .\" PIC
1107 .\"
1108 .de PS \" *** start picture: $1=height, $2=width in units or inches
1109 .sp 0.3
1110 .nr g7 \\$2
1111 .in (u;\\n(.l-\\n(g7>?0/2)
1112 .ne \\$1u
1113 .nr g7 \\n(.u
1114 .ls 1
1115 ..
1116 .de PE \" *** end picture
1117 .ls
1118 .in
1119 .if \\n(g7 .fi
1120 .sp .6
1121 ..
1122 .\"
1123 .\" GREMLIN
1124 .\"
1125 .de GS \" *** start gremlin picture
1126 .nr g7 (\\n(.lu-\\n(g1u)/2u
1127 .if "\\$1"L" .nr g7 \\n(.iu
1128 .if "\\$1"R" .nr g7 \\n(.lu-\\n(g1u
1129 .in \\n(g7u
1130 .nr g7 \\n(.u
1131 .ls 1
1132 .nf
1133 .ne \\n(g2u
1134 ..
1135 .de GE \" *** end gremlin picture
1136 .GF
1137 .sp .6
1138 ..
1139 .de GF \" *** finish gremlin picture; stay at top
1140 .ls
1141 .in
1142 .if \\n(g7 .fi
1143 ..
1144 .\" *** FONT AIDS ***
1145 .de sz \" *** set point size and vertical spacing
1146 .ps \\$1
1147 .if \\n($r .@v
1148 .vs \\n(.sp*\\n($vu/100u \" default vs at pointsize + 20%
1149 ..
1150 .de @v \" --- possibly set $v from $r
1151 .if (1i>=240u)&(1p<=\\n($r)&(\\n($r<=4p) .nr $v \\n($r00/1p
1152 ..
1153 .de @V \" --- possibly set $V from $R
1154 .if (1i>=240u)&(1p<=\\n($R)&(\\n($R<=4p) .nr $V \\n($R00/1p
1155 ..
1156 .de @E \" --- store in _F argument to \f for restoring font
1157 .ie \\n(.f<10 \
1158 . ds _F \\n(.f
1159 .el \
1160 \{\
1161 . ie \\n(.f<100&\n(.g \
1162 . ds _F (\\n(.f
1163 . el \
1164 . ds _F P
1165 .\}
1166 ..
1167 .de r \" *** enter roman font
1168 .@E
1169 .ft 1
1170 .if \\n(.$ \&\\$1\f\\*(_F\\$2
1171 ..
1172 .de i \" *** enter italic
1173 .@E
1174 .ft 2
1175 .if \\n(.$ \&\\$1\f\\*(_F\\$2
1176 ..
1177 .de b \" *** enter boldface
1178 .@E
1179 .ft 3
1180 .if \\n(.$ \&\\$1\f\\*(_F\\$2
1181 ..
1182 .de rb \" *** enter real boldface
1183 .@E
1184 .ft 3
1185 .if \\n(.$ \&\\$1\f\\*(_F\\$2
1186 ..
1187 .de bi \" *** enter bold italic
1188 .@E
1189 .ft 4
1190 .if \\n(.$ \&\\$1\f\\*(_F\\$2
1191 ..
1192 .de u \" *** enter underlined word
1193 \&\\$1\l'|0\(ul'\\$2
1194 ..
1195 .\" a better version of u
1196 .if !\n(.g .ig
1197 .de u
1198 \Z'\\$1'\v'.25m'\D'l \w'\\$1'u 0'\v'-.25m'\\$2
1199 ..
1200 .de q \" *** enter quoted word
1201 \&\\*(lq\\$1\\*(rq\\$2
1202 ..
1203 .de bx \" *** enter boxed word
1204 \k~\(br\|\\$1\|\(br\l'|\\n~u\(rn'\l'|\\n~u\(ul'\^\\$2
1205 ..
1206 .de sm \" *** print in smaller font
1207 \s-1\\$1\\s0\\$2
1208 ..
1209 .de @F \" --- change font (0 -> no change)
1210 .nr ~ \\$1
1211 .if \\n~>0 \
1212 . ft \\n~
1213 .rr ~
1214 ..
1215 .\" *** FOOTNOTING ***
1216 .de (f \" *** begin footnote
1217 .ec
1218 .if "\\n(.z"|f" .tm Line \\n(c. -- Illegal footnote nesting
1219 .ie "\\n(.z"" \
1220 \{\
1221 . nr _D \\n(dn
1222 . nr _0 1v+\\n(nlu
1223 . ev 2
1224 . da |f
1225 . in 0
1226 . xl \\n($lu-\\n(fuu
1227 . @F \\n(ff
1228 . sz \\n(fp
1229 . vs \\n(.sp*\\n($Vu/100u
1230 . if !\\n(?f \
1231 \{\
1232 . nr _b +1v \" allow space for $s
1233 . $s
1234 . \}
1235 . br
1236 . if \\n(.p-\\n(_b-\\n(_0-\\n(.h-1v-\\n(fs<0 \
1237 \{\
1238 . da\" \" won't fit on page at all
1239 . bc
1240 . if !\\n(?f \
1241 . rm |f
1242 . da |f
1243 .\" next five lines could be dropped if headers had their own environment
1244 . in 0 \" reset everything from .bc
1245 . xl \\n($lu-\\n(fuu
1246 . @F \\n(ff
1247 . sz \\n(fp
1248 . vs \\n(.sp*\\n($Vu/100u
1249 . if !\\n(?f \
1250 . $s
1251 . br
1252 . \}
1253 . rr _0
1254 . sp \\n(fsu
1255 . nr ?f 1
1256 . fi
1257 . if !"\\$1"_" \
1258 . ti \\n(fiu
1259 . if \n@>2 .tm << (f $f=\\n($f
1260 .\}
1261 .el \
1262 \{\
1263 . ev 2
1264 . in 0
1265 . xl \\n($lu-\\n(fuu
1266 . @F \\n(ff
1267 . sz \\n(fp
1268 . vs \\n(.sp*\\n($Vu/100u
1269 . fi
1270 \!.(f \\$1
1271 \!.@N
1272 .\}
1273 ..
1274 .de @N \" --- set no fill mode in the top-level diversion
1275 .ie "\\n(.z"" .nf
1276 .el \!.@N
1277 ..
1278 .de )f \" *** end footnote
1279 .ie "\\n(.z"|f" \
1280 \{\
1281 . if \\n* \
1282 . nr $f +1
1283 . ds * \\*{\\n($f\\*}\k*
1284 . nr * 0
1285 . in 0
1286 . da
1287 . ev
1288 . if \\n(_w<\\n(dl \
1289 . nr _w \\n(dl \" compute maximum fn width
1290 . nr _b +\\n(dn
1291 . ch @f -\\n(_bu
1292 . if \\n(.p-\\n(_b<=\\n(nl \
1293 . ch @f \\n(nlu+\n(.Vu
1294 . nr dn \\n(_D
1295 . rr _D
1296 .\}
1297 .el \
1298 \{\
1299 . br
1300 \!.)f
1301 . ev
1302 .\}
1303 ..
1304 .@R ff
1305 .if \n(ff<=0 \
1306 . nr ff 1 \" footnote font: Times Roman
1307 .@R fp
1308 .if \n(fp<=0 \
1309 . nr fp 8 \" footnote pointsize
1310 .de $s \" $$$ footnote separator
1311 \l'2i'
1312 ..
1313 .\" *** DELAYED TEXT ***
1314 .de (d \" *** begin delayed text
1315 .am |d )d
1316 .sp \\n(bsu
1317 ..
1318 .de )d \" *** end delayed text
1319 .if \\n# \
1320 . nr $d +1
1321 .ds # [\\n($d]\k#
1322 .rr #
1323 ..
1324 .de pd \" *** print delayed text
1325 .|d
1326 .rm |d
1327 .nr $d 1 1
1328 .ds # [1]\k#
1329 ..
1330 .\" *** INDEXES (TABLE OF CONTENTS) ***
1331 .nr _x 0 1
1332 .af _x a
1333 .de (x \" *** begin index entry
1334 .if \n@>4 .tm >> (x, .z=\\n(.z
1335 .ds |X x
1336 .if \\n(.$>0 \
1337 . ds |X \\$1
1338 .ie "\\n(.z"" \
1339 . nr _z 0
1340 .el \
1341 . nr _z 1
1342 .@\\n(_z
1343 ..
1344 .de @0 \" --- finish (x if no current diversion
1345 .am %\\*(|X )x
1346 .sp \\n(xsu
1347 .ti -\\n(piu
1348 ..
1349 .de @1 \" --- finish (x if current diversion
1350 .if "\\n(_x"z" .nr _x 0
1351 .de =\\n+(_x )x
1352 ..
1353 .de )x \" *** end index entry
1354 .if \n@>4 .tm >> )x, .z=\\n(.z
1355 .ie "\\n(.z"" \
1356 \{\
1357 . ds |x \\n%
1358 . if \\n(.$>0 \
1359 . ds |x \\$1
1360 . if "\\*(|x"_" \
1361 . ig ..
1362 . am %\\*(|X ..
1363 . if \w"\\$2">(\\n(.l-\\n(.i-\\n(.k) \
1364 . ti +\\n(xuu
1365 \\\\a\\\\t\\$2\\*(|x
1366 ...
1367 . rm |x
1368 . rm |X
1369 .\}
1370 .el \
1371 \{\
1372 \!.(x \\*(|X
1373 \!\\\\*(=\\n(_x\\\\
1374 \!.)x \\$1 \\$2
1375 \!.rm =\\n(_x
1376 .\}
1377 ..
1378 .de xp \" *** print the index
1379 .br
1380 .@C 2
1381 .ls 1
1382 .vs \\n(.sp*\\n($Vu/100u
1383 .fi
1384 .in +\\n(piu
1385 .ds |X x
1386 .if \\n(.$>0 \
1387 . ds |X \\$1
1388 .xl -(\\n(xuu+\w'...'u)
1389 .di |x
1390 .%\\*(|X
1391 .br
1392 .di
1393 .rm %\\*(|X
1394 .xl \\n($lu
1395 .rm |X
1396 .ev
1397 .nf
1398 .in 0
1399 .ta \\n(.lu-\\n(xuuR \\n(.luR
1400 .|x
1401 .fi
1402 .in
1403 .rm |x
1404 ..
1405 .de +c \" *** begin chapter
1406 .ep \" force out footnotes
1407 .if \\n(?o:\\n(?a \
1408 \{\
1409 . bp \" force out a table or more footnote
1410 . rs
1411 . ep
1412 .\}
1413 .nr ?C 1
1414 .nr $f 1 1
1415 .ds * \\*{1\\*}\k*
1416 .if \\n(?R \
1417 . pn 1
1418 .bp
1419 .in \\n($iu \" reset the indent
1420 .rs
1421 .ie \\n(.$ \
1422 . $c "\\$1"
1423 .el \
1424 . sp 3
1425 ..
1426 .de ++ \" *** declare chapter type
1427 .nr _0 0
1428 .if "\\$1"C" \
1429 . nr _0 1 \" chapter
1430 .if "\\$1"RC" \
1431 . nr _0 11 \" renumbered chapter
1432 .if "\\$1"A" \
1433 . nr _0 2 \" appendix
1434 .if "\\$1"RA" \
1435 . nr _0 12 \" renumbered appendix
1436 .if "\\$1"P" \
1437 . nr _0 3 \" preliminary material
1438 .if "\\$1"B" \
1439 . nr _0 4 \" bibliographic material
1440 .if "\\$1"AB" \
1441 . nr _0 5 \" abstract
1442 .if \\n(_0=0 \
1443 . tm Line \\n(c. -- Bad mode to .++
1444 .nr ?R 0
1445 .if \\n(_0>10 \
1446 .\{
1447 . nr ?R 1
1448 . nr _0 -10
1449 .\}
1450 .nr ch 0 1
1451 .if (\\n(_0=3):(\\n(_0=5) \
1452 . pn 1 \" must do before .ep
1453 .if !\\n(_0=\\n(_M .if \\n(_M=3 \
1454 . pn 1 \" must do before .ep
1455 .ep \" end page for correct page number types
1456 .if \\n(_0=1 \
1457 \{\
1458 . af ch 1
1459 . af % 1
1460 .\}
1461 .if \\n(_0=2 \
1462 \{\
1463 . af ch A
1464 . af % 1
1465 .\}
1466 .if \\n(_0=3 \
1467 . af % i
1468 .if \\n(_0=4 \
1469 . af % 1
1470 .if \\n(_0=5 \
1471 . af % 1
1472 .if \\n(.$>1 \
1473 . he \\$2
1474 .nr _M \\n(_0
1475 .rr _0
1476 ..
1477 .de $c \" $$$ print chapter title
1478 .sz 12
1479 .ft 3
1480 .ce 1000
1481 .if \\n(_M<3 \
1482 . nr ch +1
1483 .ie \\n(_M=1 CHAPTER\ \ \\n(ch
1484 .el .if \\n(_M=2 APPENDIX\ \ \\n(ch
1485 .if \w"\\$1" .sp 3-\\n(.L
1486 .if \w"\\$1" \\$1
1487 .if (\\n(_M<3):(\w"\\$1") \
1488 . sp 4-\\n(.L
1489 .ce 0
1490 .ft
1491 .sz
1492 .ie \\n(_M=1 \
1493 . $C Chapter \\n(ch "\\$1"
1494 .el .if \\n(_M=2 \
1495 . $C Appendix \\n(ch "\\$1"
1496 ..
1497 .de tp \" *** title page
1498 .hx
1499 .bp
1500 .br
1501 .rs
1502 .pn \\n%
1503 ..
1504 .\" *** DATES ***
1505 .if \n(mo=1 .ds mo January
1506 .if \n(mo=2 .ds mo February
1507 .if \n(mo=3 .ds mo March
1508 .if \n(mo=4 .ds mo April
1509 .if \n(mo=5 .ds mo May
1510 .if \n(mo=6 .ds mo June
1511 .if \n(mo=7 .ds mo July
1512 .if \n(mo=8 .ds mo August
1513 .if \n(mo=9 .ds mo September
1514 .if \n(mo=10 .ds mo October
1515 .if \n(mo=11 .ds mo November
1516 .if \n(mo=12 .ds mo December
1517 .if \n(dw=1 .ds dw Sunday
1518 .if \n(dw=2 .ds dw Monday
1519 .if \n(dw=3 .ds dw Tuesday
1520 .if \n(dw=4 .ds dw Wednesday
1521 .if \n(dw=5 .ds dw Thursday
1522 .if \n(dw=6 .ds dw Friday
1523 .if \n(dw=7 .ds dw Saturday
1524 .nr y2 \n(yr%100
1525 .af y2 00
1526 .nr y4 \n(yr+1900
1527 .ds td \*(mo \n(dy, \n(y4
1528 .\" *** PARAMETRIC INITIALIZATIONS ***
1529 .rr x
1530 .nr $v \n(.v00+\n(.sp-1/\n(.sp \" vs as percentage of ps for .sz request
1531 .nr $V \n($v \" same for displays & footnotes
1532 .nr hm 4v \" header margin
1533 .nr tm 7v \" top margin
1534 .nr bm 6v \" bottom margin
1535 .nr fm 3v \" footer margin
1536 .nr tf 3 \" title font: (real) Times Bold
1537 .nr tp 10 \" title point size
1538 .hy 14
1539 .nr bi 4m \" indent for blocks
1540 .nr pi 5n \" indent for paragraphs
1541 .nr pf 1 \" normal text font
1542 .nr pp 10 \" normal text point size
1543 .nr qi 4n \" indent for quotes
1544 .nr qp -1 \" down one point
1545 .nr ii 5n \" indent for .ip's and .np's
1546 .nr $m 1 \" max number of columns
1547 .nr $s 4n \" column separation
1548 .nr sf 3 \" section font -- Times Bold
1549 .nr sp 10 \" section title pointsize
1550 .nr ss 12p \" section prespacing
1551 .nr si 0 \" section indent
1552 .\" *** OTHER INITIALIZATION ***
1553 .\" GNU pic sets this register to 1, to indicate that \x should not be used.
1554 .@R 0x
1555 .ds { \v'-0.4m'\x'\\n(0x=0*-0.2m'\s-3
1556 .ds } \s0\v'0.4m'
1557 .\" for compatibility with traditional -me
1558 .\" (the first will work only in compatibility mode)
1559 .ds [ \*{
1560 .ds ] \*}
1561 .ds < \v'0.4m'\x'\\n(0x=0*0.2m'\s-3
1562 .ds > \s0\v'-0.4m'
1563 .ds - \(em
1564 .\" Avoid warnings from groff -ww.
1565 .@S |0
1566 .@S |1
1567 .@S |2
1568 .@S |3
1569 .@S $H
1570 .@S $0
1571 .@S $1
1572 .@S $2
1573 .@S $3
1574 .@S $4
1575 .@S $5
1576 .@S $6
1577 .@S $7
1578 .@S $8
1579 .@S $9
1580 .@S ..
1581 .@R po\" \" simulated page offset
1582 .@R $0\" \" section depth
1583 .@R $i\" \" paragraph base indent
1584 .@R $p\" \" numbered paragraph number
1585 .@R $r\" \" ratio of vs to ps (may override $v)
1586 .@R $R\" \" same for displays (may override $V)
1587 .@R df\" \" display font: same as surrounding text
1588 .@R so\" \" additional section title offset
1589 .@R fu\" \" footnote undent
1590 .@R bt\" \" block keep threshold
1591 .@R *\" \" has \** been referenced?
1592 .@R ?a\" \" pending floating keep at page top?
1593 .@R ?b\" \" pending floating keep at page bottom?
1594 .@R ?C\" \" at chapter header?
1595 .@R ?e\" \" in equation?
1596 .@R ?H\" \" suppress headers and footers next page?
1597 .@R ?I\" \" has the header trap been sprung?
1598 .@R ?n\" \" n1 mode?
1599 .@R ?o\" \" footnote overflow?
1600 .@R ?R\" \" renumbered chapter?
1601 .@R ?s\" \" skip next page?
1602 .@R ?T\" \" inside .TS H?
1603 .@R ?W\" \" wide floating keep at page bottom?
1604 .@R ?w\" \" wide floating keep at page top?
1605 .nr fi 0.3i
1606 .nr _o \n(.o
1607 .nr $b 3 \" bold
1608 .nr ps 0.35v
1609 .if \n(ps<\n(.V .nr ps \n(.V
1610 .nr bs \n(ps \" block pre/post spacing
1611 .nr qs \n(ps \" quote pre/post spacing
1612 .nr zs 1v \" float-block pre/postspacing
1613 .nr xs 0.2v \" index prespacing
1614 .nr xu 0.5i \" index undent
1615 .nr fs 0.2v \" footnote prespacing
1616 .nr es 0.5v \" equation pre/postspacing
1617 .if \n(es<\n(.V .nr es \n(.V
1618 .wh 0 @h \" set header
1619 .nr $l \n(.lu \" line length
1620 .nr _L \n(.lu \" line length of page
1621 .nr $c 1 \" current column number
1622 .nr $f 1 1 \" footnote number
1623 .ds * \*{1\*}\k*\" \" footnote "name"
1624 .nr $d 1 1 \" delayed text number
1625 .ds # [1]\k#\" \" delayed text "name"
1626 .nr _M 1 \" chapter mode is chapter
1627 .ds lq \(lq\" \" left quote
1628 .ds rq \(rq\" \" right quote
1629 .em @z
1630 .\" *** FOREIGN LETTERS AND SPECIAL CHARACTERS ***
1631 .ds #h ((1u-(\\\\n(.fu%2u))*0.13m)
1632 .ds #v 0.6m
1633 .\" \" accents
1634 .ds ' \k_\h'-(\\n(.wu*8/10-\*(#h)'\(aa\h'|\\n_u'
1635 .ds ` \k_\h'-(\\n(.wu*7/10-\*(#h)'\(ga\h'|\\n_u'
1636 .\" \" umlaut
1637 .ds : \k_\h'-(\\n(.wu*8/10-\*(#h+0.1m)'\v'-\*(#v'\z.\h'0.2m'.\h'|\\n_u'\v'\*(#v'
1638 .\" \" circumflex and tilde
1639 .ds ^ \k_\h'-(\\n(.wu-\*(#h-0.05m)'^\h'|\\n_u'
1640 .ds ~ \k_\h'-(\\n(.wu-\*(#h-0.05m)'~\h'|\\n_u'
1641 .\" \" cedilla and czech
1642 .ds , \k_\h'-(\\n(.wu)',\h'|\\n_u'
1643 .ds v \k_\h'-(\\n(.wu*9/10-\*(#h)'\v'-\*(#v'\s-4v\s0\v'\*(#v'\h'|\\n_u'
1644 .\" \" Norwegian A or angstrom
1645 .ds o \k_\h'-(\\n(.wu+\w'\(de'u-\*(#h)/2u'\v'-0.4n'\z\(de\v'0.4n'\h'|\\n_u'
1646 .\" \" there exists, for all
1647 .ds qe \s-2\v'0.45m'\z\(em\v'-0.625m'\z\(em\v'-0.625m'\(em\v'0.8m'\s0\h'-0.1m'\v'-0.05m'\(br\v'0.05m'\h'0.1m'
1648 .ds qa \z\e\h'0.35m'\z\(sl\h'-0.33m'\v'-0.3m'\s-4\(em\s0\v'0.3m'\h'0.15m'
1649 .rm #h #v
1650 .ll 6.0i
1651 .lt 6.0i
1652 .de @U
1653 .tm The \\$1 macro has been removed from this version of the -me macros.
1654 ..
1655 .de lo
1656 .@U lo
1657 ..
1658 .de th
1659 .@U th
1660 ..
1661 .de ac
1662 .@U ac
1663 ..