This file is indexed.

/usr/bin/pdfroff is in groff 1.22.3-10.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
#! /bin/sh
# ------------------------------------------------------------------------------
#
# Function: Format PDF Output from groff Markup
#
# Copyright (C) 2005-2014  Free Software Foundation, Inc.
# Written by Keith Marshall (keith.d.marshall@ntlworld.com)
# 
# This file is part of groff.
# 
# groff is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# 
# groff is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# ------------------------------------------------------------------------------
#
# Set up an identifier for the NULL device.
# In most cases "/dev/null" will be correct, but some shells on
# MS-DOS/MS-Windows systems may require us to use "NUL".
#
  NULLDEV="/dev/null"
  test -c $NULLDEV || NULLDEV="NUL"
#
# Set up the command name to use in diagnostic messages.
# (We can't assume we have 'basename', so use the full path if required.
#  Also use the 'exec 2>...' workaround for a bug in Cygwin's 'ash').
#
  CMD=`exec 2>$NULLDEV; basename $0` || CMD=$0
#
# To ensure that prerequisite helper programs are available, and are
# executable, a [fairly] portable method of detecting such programs is
# provided by function `searchpath'.
#
  searchpath(){
  #
  # Usage:  searchpath progname path
  #
    IFS=${PATH_SEPARATOR-":"} prog=':'
    for dir in $2
    do
      for ext in '' '.exe'
      #
      # try `progname' with all well known extensions
      # (e.g. Win32 may require `progname.exe')
      #
      do
        try="$dir/$1$ext"
        test -f "$try" && test -x "$try" && prog="$try" && break
      done
      test "$prog" = ":" || break
    done
    echo "$prog"
  }
#
# If the system maps '/bin/sh' to some 'zsh' implementation,
# then we may need this hack, adapted from autoconf code.
#
  test x${ZSH_VERSION+"set"} = x"set" && NULLCMD=":" \
    && (emulate sh) >$NULLDEV 2>&1 && emulate sh
#
# We need both 'grep' and 'sed' programs, to parse script options,
# and we also need 'cat', to display help and some error messages,
# so ensure they are all installed, before we continue.
#
  CAT=`searchpath cat "$PATH"`
  GREP=`searchpath grep "$PATH"`
  SED=`searchpath sed "$PATH"`
#
# Another fundamental requirement is the 'groff' program itself;
# we MUST use a 'groff' program located in 'GROFF_BIN_DIR', if this
# is specified; if not, we will search 'GROFF_BIN_PATH', only falling
# back to a 'PATH' search, if neither of these is specified.
#
  if test -n "$GROFF_BIN_DIR"
  then
    GPATH=GROFF_BIN_DIR
    GROFF=`searchpath groff "$GROFF_BIN_DIR"`
#
  elif test -n "$GROFF_BIN_PATH"
  then
    GPATH=GROFF_BIN_PATH
    GROFF=`searchpath groff "$GROFF_BIN_PATH"`
#
  else
    GPATH=PATH
    GROFF=`searchpath groff "$PATH"`
  fi
#
# If one or more of these is missing, diagnose and bail out.
#
  NO='' NOPROG="$CMD: installation problem: cannot find program"
  test "$CAT" = ":" && echo >&2 "$NOPROG 'cat' in PATH" && NO="$NO 'cat'"
  test "$GREP" = ":" && echo >&2 "$NOPROG 'grep' in PATH" && NO="$NO 'grep'"
  test "$GROFF" = ":" && echo >&2 "$NOPROG 'groff' in $GPATH" && NO="$NO 'groff'"
  test "$SED" = ":" && echo >&2 "$NOPROG 'sed' in PATH" && NO="$NO 'sed'"
  if test -n "$NO"
  then
    set $NO
    test $# -gt 1 && NO="s" IS="are" || NO='' IS="is"
    while test $# -gt 0
    do
      test $# -gt 2 && NO="$NO $1,"
      test $# -eq 2 && NO="$NO $1 and" && shift
      test $# -lt 2 && NO="$NO $1"
      shift
    done
    $CAT >&2 <<-ETX

	*** FATAL INSTALLATION ERROR ***

	The program$NO $IS required by '$CMD',
	but cannot be found; '$CMD' is unable to continue.

	ETX
    exit 1
  fi
#
# Identify the postprocessor command, for writing PDF output.
# (May be forced, by defining PDFROFF_POSTPROCESSOR_COMMAND in the environment;
#  if this is not set, leave blank to use the built in default).
#
  if test -n "${PDFROFF_POSTPROCESSOR_COMMAND}"
  then
    GROFF_GHOSTSCRIPT_INTERPRETER=`set command ${PDFROFF_POSTPROCESSOR_COMMAND};
      echo $2`
  fi
#
# Set up temporary/intermediate file locations, with traps to
# clean them up on exit.  Note that, for greater portability, we
# prefer to refer to events by number, rather than by symbolic
# names; thus, the EXIT event is trapped as event zero.
#
  export TMPDIR GROFF_TMPDIR
  TMPDIR=${GROFF_TMPDIR=${TMPDIR-${TMP-${TEMP-"."}}}}
  if GROFF_TMPDIR=`exec 2>${NULLDEV}; mktemp -dt pdfroff-XXXXXXXXXX`
  then
  #
  # We successfully created a private temporary directory,
  # so to clean up, we may simply purge it.
  #
    trap "rm -rf ${GROFF_TMPDIR}" 0
  #
  else
  #
  # Creation of a private temporary directory was unsuccessful;
  # fall back to user nominated directory, (using current directory
  # as default), and schedule removal of only the temporary files.
  #
    GROFF_TMPDIR=${TMPDIR}
    trap "rm -f ${GROFF_TMPDIR}/pdf$$.*" 0
  fi
  #
  # In the case of abnormal termination events, we force an exit
  # (with status code '1'), leaving the normal exit trap to clean
  # up the temporary files, as above.  Note that we again prefer
  # to refer to events by number, rather than by symbolic names;
  # here we trap SIGHUP, SIGINT, SIGQUIT, SIGPIPE and SIGTERM.
  #
  trap "exit 1" 1 2 3 13 15
#
  WRKFILE=${GROFF_TMPDIR}/pdf$$.tmp
#
  REFCOPY=${GROFF_TMPDIR}/pdf$$.cmp
  REFFILE=${GROFF_TMPDIR}/pdf$$.ref
#
  CS_DATA=""
  TC_DATA=${GROFF_TMPDIR}/pdf$$.tc
  BD_DATA=${GROFF_TMPDIR}/pdf$$.ps
#
# Initialise 'groff' format control settings,
# to discriminate table of contents and document body formatting passes.
#
  TOC_FORMAT="-rPHASE=1"
  BODY_FORMAT="-rPHASE=2"
#
  LONGOPTS="
    help	reference-dictionary	no-reference-dictionary
    stylesheet	pdf-output		no-pdf-output
    version	report-progress		no-toc-relocation
    emit-ps	keep-temporary-files	no-kill-null-pages
    "
# Parse the command line, to identify 'pdfroff' specific options.
# Collect all other parameters into new argument and file lists,
# to be passed on to 'groff', enforcing the '-Tps' option.
#
  DIFF="" STREAM="" INPUT_FILES=""
  SHOW_VERSION="" GROFF_STYLE="$GROFF -Tps"
  while test $# -gt 0
  do
    case "$1" in
#
#     Long options must be processed locally ...
#
      --*)
#
#          First identify, matching any abbreviation to its full form.
#
           MATCH="" OPTNAME=`IFS==; set dummy $1; echo $2`
           for OPT in $LONGOPTS
           do
             MATCH="$MATCH"`echo --$OPT | $GREP "^$OPTNAME"`
           done
#
#          For options in the form --option=value
#          capture any specified value into $OPTARG.
#
	   OPTARG=`echo $1 | $SED -n s?"^${OPTNAME}="??p`
#
#          Perform case specific processing for matched option ...
#
           case "$MATCH" in

             --help)
               $CAT <<-ETX
		Usage: $CMD [-option ...] [--long-option ...] [file ...]

		Options:
		  -h
		  --help
		 	Display this usage summary, and exit.

		  -v
		  --version
		 	Display a version identification message and exit.

		  --report-progress
		  	Enable console messages, indicating the progress of the
		 	PDF document formatting process.

		  --emit-ps
		  	Emit PostScript output instead of PDF; this may be useful
		 	when the ultimate PDF output is to be generated by a more
		 	specialised postprocessor, (e.g. gpresent), rather than
		 	the default GhostScript PDF writer.

		  --pdf-output=name
		  	Write the PDF, (or PostScript), output stream to file
		 	'name'; if this option is unspecified, standard output
		 	is used for PDF, (or PostScript), output.

		  --no-pdf-output
		 	Suppress the generation of PDF, (or PostScript), output
		 	entirely; use this with the --reference-dictionary option,
		 	if processing a document stream to produce only a
		 	reference dictionary.

		  --no-reference-dictionary
		 	Suppress the generation of a '$CMD' reference dictionary
		 	for the PDF document.  Normally '$CMD' will create a
		 	reference dictionary, at the start of document processing;
		 	this option can accelerate processing, if it is known in
		 	advance, that no reference dictionary is required.

		  --reference-dictionary=name
		 	Save the document reference dictionary in file 'name'.
		 	If 'name' already exists, when processing commences, it
		 	will be used as the base case, from which the updated
		 	dictionary will be derived.  If this option is not used,
		 	then the reference dictionary, created during the normal
		 	execution of '$CMD', will be deleted on completion of
		 	document processing.

		  --stylesheet=name
		  	Use the file 'name' as a 'groff' style sheet, to control
		 	the appearance of the document's front cover section.  If
		 	this option is not specified, then no special formatting
		 	is applied, to create a front cover section.

		  --no-toc-relocation
		 	Suppress the multiple pass 'groff' processing, which is
		 	normally required to position the table of contents at the
		 	start of a PDF document.

		  --no-kill-null-pages
		 	Suppress the 'null page' elimination filter, which is used
		 	to remove the excess blank pages produced by the collation
		 	algorithm used for 'toc-relocation'.

		  --keep-temporary-files
		 	Suppress the normal clean up of temporary files, which is
		 	scheduled when 'pdfroff' completes.

		ETX
               exit 0
               ;;

             --version)
	       GROFF_STYLE="$GROFF_STYLE \"$1\""
               SHOW_VERSION="GNU pdfroff (groff) version 1.22.3"
               ;;

             --report-progress)
               SHOW_PROGRESS=echo
               ;;

             --keep-temporary-files)
               trap "" 0
               ;;

	     --emit-ps)
	       PDFROFF_POSTPROCESSOR_COMMAND="$CAT"
	       ;;

             --pdf-output)
	       PDF_OUTPUT="$OPTARG"
	       ;;

	     --no-pdf-output)
	       PDF_OUTPUT="$NULLDEV"
	       ;;

             --reference-dictionary)
               REFFILE="$OPTARG"
               ;;

             --no-reference-dictionary)
               AWK=":" DIFF=":" REFFILE="$NULLDEV" REFCOPY="$NULLDEV"
               ;;

             --stylesheet)
               STYLESHEET="$OPTARG" CS_DATA=${GROFF_TMPDIR}/pdf$$.cs
               ;;

	     --no-toc-relocation)
	       TC_DATA="" TOC_FORMAT="" BODY_FORMAT=""
	       ;;

	     --no-kill-null-pages)
	       PDFROFF_COLLATE="$CAT" PDFROFF_KILL_NULL_PAGES=""
	       ;;
#
#          any other non-null match must have matched more than one defined case,
#          so report the ambiguity, and bail out.
#
             --*)
               echo >&2 "$CMD: ambiguous abbreviation in option '$1'"
	       exit 1
               ;;
#
#          while no match at all simply represents an undefined case.
#
             *)
               echo >&2 "$CMD: unknown option '$1'"
	       exit 1
               ;;
           esac
           ;;
#
#     A solitary hyphen, as an argument, means "stream STDIN through groff",
#     while the "-i" option means "append STDIN stream to specified input files",
#     so set up a mechanism to achieve this, for ALL 'groff' passes.
#
      - | -i*)
	   STREAM="$CAT ${GROFF_TMPDIR}/pdf$$.in |"
	   test "$1" = "-" && INPUT_FILES="$INPUT_FILES $1" \
	     || GROFF_STYLE="$GROFF_STYLE $1" 
	   ;;
#
#     Those standard options which expect an argument, but are specified with
#     an intervening space, between flag and argument, must be reparsed, so we
#     can trap invalid use of '-T dev', or missing input files.
#
      -[dfFILmMnoPrTwW])
           OPTNAME="$1"
	   shift; set reparse "$OPTNAME$@"
	   ;;
#
#     Among standard options, '-Tdev' is treated as a special case.
#     '-Tps' is automatically enforced, so if specified, is silently ignored.
#
      -Tps) ;;
#
#     No other '-Tdev' option is permitted.
#
      -T*) echo >&2 "$CMD: option '$1' is incompatible with PDF output"
           exit 1
	   ;;
#
#     '-h' and '-v' options redirect to their equivalent long forms ...
#
      -h*) set redirect --help
           ;;
#
      -v*) shift; set redirect --version "$@"
           ;;
#
#     All other standard options are simply passed through to 'groff',
#     with no validation beforehand.
#
      -*)  GROFF_STYLE="$GROFF_STYLE \"$1\""
           ;;
#
#     All non-option arguments are considered as possible input file names,
#     and are passed on to 'groff', unaltered.
#
      *)   INPUT_FILES="$INPUT_FILES \"$1\""
           ;;
    esac
    shift
  done
#
# If the '-v' or '--version' option was specified,
# then we simply emulate the behaviour of 'groff', with this option,
# and quit.
#
  if test -n "$SHOW_VERSION"
  then
    echo >&2 "$SHOW_VERSION"
    echo >&2; eval $GROFF_STYLE $INPUT_FILES
    exit $?
  fi
#
# Establish how to invoke 'echo', suppressing the terminating newline.
# (Adapted from 'autoconf' code, as found in 'configure' scripts).
#
  case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in
    *c*,*-n*)  n=''   c=''   ;;
    *c*)       n='-n' c=''   ;;
    *)         n=''   c='\c' ;;
  esac
#
# If STDIN is specified among the input files,
# or if no input files are specified, then we need to capture STDIN,
# so we can replay it into each 'groff' processing pass.
#
  test -z "$INPUT_FILES" && STREAM="$CAT ${GROFF_TMPDIR}/pdf$$.in |"
  test -n "$STREAM" && $CAT > ${GROFF_TMPDIR}/pdf$$.in
#
# Unless reference resolution is explicitly suppressed,
# we initiate it by touching the cross reference dictionary file,
# and initialise the comparator, to kickstart the reference resolver loop.
#
  SAY=":"
  if test -z "$DIFF"
  then
    >> $REFFILE
    echo kickstart > $REFCOPY
    test x${SHOW_PROGRESS+"set"} = x"set" && SAY=echo
#
#   In order to correctly resolve 'pdfmark' references,
#   we need to have both the 'awk' and 'diff' programs available.
#
    NO=''
    if test -n "$GROFF_AWK_INTERPRETER"
    then
      AWK="$GROFF_AWK_INTERPRETER"
      test -f "$AWK" && test -x "$AWK" || AWK=":"
    else
      for prog in gawk mawk nawk awk
      do
	AWK=`searchpath $prog "$PATH"`
	test "$AWK" = ":" || break
      done
    fi
    DIFF=`searchpath diff "$PATH"`
    test "$AWK" = ":" && echo >&2 "$NOPROG 'awk' in PATH" && NO="$NO 'awk'"
    test "$DIFF" = ":" && echo >&2 "$NOPROG 'diff' in PATH" && NO="$NO 'diff'"
    if test -n "$NO"
    then
      set $NO
      SAY=":" AWK=":" DIFF=":"
      test $# -gt 1 && NO="s $1 and $2 are" || NO=" $1 is"
      $CAT >&2 <<-ETX

	*** WARNING ***

	The program$NO required, but cannot be found;
	consequently, '$CMD' is unable to resolve 'pdfmark' references.

	Document processing will continue, but no 'pdfmark' reference dictionary
	will be compiled; if any 'pdfmark' reference appears in the resulting PDF
	document, the formatting may not be correct.

	ETX
    fi
  fi
#
# Run the multi-pass 'pdfmark' reference resolver loop ...
#
  $SAY >&2 $n Resolving references ..$c
  until $DIFF $REFCOPY $REFFILE 1>$NULLDEV 2>&1
  do
#
#   until all references are resolved, to yield consistent values
#   in each of two consecutive passes, or until it seems that no consistent
#   resolution is achievable.
#
    $SAY >&2 $n .$c
    PASS_INDICATOR="${PASS_INDICATOR}."
    if test "$PASS_INDICATOR" = "...."
    then
#
#     More than three passes required indicates a probable inconsistency
#     in the source document; diagnose, and bail out.
#
      $SAY >&2 " failed"
      $CAT >&2 <<-ETX
	$CMD: unable to resolve references consistently after three passes
	$CMD: the source document may exhibit instability about the reference(s) ...
	ETX
#
#     Report the unresolved references, as a diff between the two pass files,
#     preferring 'unified' or 'context' diffs, when available
#
      DIFFOPT=''
      $DIFF -c0 $NULLDEV $NULLDEV 1>$NULLDEV 2>&1 && DIFFOPT='-c0'
      $DIFF -u0 $NULLDEV $NULLDEV 1>$NULLDEV 2>&1 && DIFFOPT='-u0'
      $DIFF >&2 $DIFFOPT $REFCOPY $REFFILE
      exit 1
    fi
#
#   Replace the comparison file copy from any previous pass,
#   with the most recently updated copy of the reference dictionary.
#   (Some versions of 'mv' may not support overwriting of an existing file,
#    so remove the old comparison file first).
#
    rm -f $REFCOPY
    mv $REFFILE $REFCOPY
#
#   Run 'groff' and 'awk', to identify reference marks in the document source,
#   filtering them into the reference dictionary; discard incomplete 'groff' output
#   at this stage.
#
    eval $STREAM $GROFF_STYLE -Z 1>$NULLDEV 2>$WRKFILE $REFCOPY $INPUT_FILES
    $AWK '/^gropdf-info:href/ {$1 = ".pdfhref D -N"; print}' $WRKFILE > $REFFILE
  done
  $SAY >&2 " done"
#
# To get to here ...
# We MUST have resolved all 'pdfmark' references, such that the content of the
# updated reference dictionary file EXACTLY matches the last saved copy.
#
# If PDF output has been suppressed, then there is nothing more to do.
#
  test "$PDF_OUTPUT" = "$NULLDEV" && exit 0
#
# We are now ready to start preparing the intermediate PostScript files,
# from which the PDF output will be compiled -- but before proceeding further ...
# let's make sure we have a GhostScript interpreter to convert them!
#
  if test -n "$GROFF_GHOSTSCRIPT_INTERPRETER"
  then
    GS="$GROFF_GHOSTSCRIPT_INTERPRETER"
    test -f "$GS" && test -x "$GS" || GS=":"
  else
    for prog in gs gswin32c gsos2
    do
      GS=`searchpath $prog "$PATH"`
      test "$GS" = ":" || break
    done
  fi
#
# If we could not find a GhostScript interpreter, then we can do no more.
#
  if test "$GS" = ":"
  then
    echo >&2 "$CMD: installation problem: cannot find GhostScript interpreter"
    $CAT >&2 <<-ETX

	*** FATAL INSTALLATION ERROR ***

	'$CMD' requires a GhostScript interpreter to convert PostScript to PDF.
	Since you do not appear to have one installed, '$CMD' connot continue.

	ETX
    exit 1
  fi
#
# We now extend the local copy of the reference dictionary file,
# to create a full 'pdfmark' reference map for the document ...
#
  $AWK '/^grohtml-info/ {print ".pdfhref Z", $2, $3, $4}' $WRKFILE >> $REFCOPY
#
# ... appending a dummy map reference, to ensure that at least
# one such is always present; (this is required, to suppress any
# further intermediate output to stderr during the "press-ready"
# runs of groff, for PDF output file production).
#
  echo ".pdfhref Z 0 0 0" >> $REFCOPY
#
# Evaluate any processing options which may have been specified
# as a result of parsing the document source ...
#
  eval `$SED -n '/^ *pdfroff-option:set */s///p' $WRKFILE`
#
# ... (which is currently supported to enable "toc-relocation",
# only when the document actually relies on it, and if it is not
# explicitly disabled from the command line) ...
#
  if test x${toc_relocation-"auto"} != xenabled
  then
#
#   ... thus we reproduce the effect of the "--no-toc-relocation"
#   option, when no enabling request is detected in the document
#   control stream.
#
    TC_DATA="" TOC_FORMAT="" BODY_FORMAT=""
  fi
#
# Re-enable progress reporting, if necessary ...
# (Missing 'awk' or 'diff' may have disabled it, to avoid display
#  of spurious messages associated with reference resolution).
#
  test x${SHOW_PROGRESS+"set"} = x"set" && SAY=echo
#
# If a document cover style sheet is specified ...
# then we run a special formatting pass, to create a cover section file.
#
  if test -n "$STYLESHEET"
  then
    DOT='^\.[ 	]*'
    CS_MACRO=${CS_MACRO-"CS"} CE_MACRO=${CE_MACRO-"CE"}
    $SAY >&2 $n "Formatting document ... front cover section ..$c"
    CS_FILTER="$STREAM $SED -n '/${DOT}${CS_MACRO}/,/${DOT}${CE_MACRO}/p'"
    eval $CS_FILTER $INPUT_FILES | eval $GROFF_STYLE $STYLESHEET - > $CS_DATA
    $SAY >&2 ". done"
  fi
#
# If table of contents relocation is to be performed (it is, by default),
# then we run an extra 'groff' pass, to format a TOC intermediate file.
#
  if test -n "$TC_DATA"
  then
    $SAY >&2 $n "Formatting document ... table of contents ..$c"
    eval $STREAM $GROFF_STYLE $TOC_FORMAT $REFCOPY $INPUT_FILES > $TC_DATA
    $SAY >&2 ". done"
  fi
#
# In all cases, a final 'groff' pass is required, to format the document body.
#
  $SAY >&2 $n "Formatting document ... body section ..$c"
  eval $STREAM $GROFF_STYLE $BODY_FORMAT $REFCOPY $INPUT_FILES > $BD_DATA
  $SAY >&2 ". done"
#
# Finally ...
# Invoke GhostScript as a PDF writer, to bind all of the generated
# PostScript intermediate files into a single PDF output file.
#
  $SAY >&2 $n "Writing PDF output ..$c"
  if test -z "$PDFROFF_POSTPROCESSOR_COMMAND"
  then
    PDFROFF_POSTPROCESSOR_COMMAND="$GS -dQUIET -dBATCH -dNOPAUSE -dSAFER
      -sDEVICE=pdfwrite -sOutputFile="${PDF_OUTPUT-"-"}

  elif test -n "$PDF_OUTPUT"
  then
    exec > $PDF_OUTPUT
  fi
#
# (This 'sed' script is a hack, to eliminate redundant blank pages).
#
  ${PDFROFF_COLLATE-"$SED"} ${PDFROFF_KILL_NULL_PAGES-'
      /%%Page:/{
	N
	/%%BeginPageSetup/b again
      }
      b
    :again
      /%%EndPageSetup/b finish
      /%%Page:/{
	N
	b again
      }
      b
    :finish
      N
      /^%%Page:.*\n0 Cg EP$/d
    '} $TC_DATA $BD_DATA | $PDFROFF_POSTPROCESSOR_COMMAND $CS_DATA -
  $SAY >&2 ". done"
#
# ------------------------------------------------------------------------------
# $RCSfile$ $Revision$: end of file