Annotation of src/usr.bin/mandoc/mandoc.1, Revision 1.75
1.75 ! schwarze 1: .\" $OpenBSD: mandoc.1,v 1.74 2015/01/20 22:02:15 jmc Exp $
1.1 kristaps 2: .\"
1.44 schwarze 3: .\" Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.71 schwarze 4: .\" Copyright (c) 2012, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: .\"
6: .\" Permission to use, copy, modify, and distribute this software for any
1.3 schwarze 7: .\" purpose with or without fee is hereby granted, provided that the above
8: .\" copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: .\"
1.3 schwarze 10: .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: .\"
1.74 jmc 18: .Dd $Mdocdate: January 20 2015 $
1.2 deraadt 19: .Dt MANDOC 1
1.1 kristaps 20: .Os
21: .Sh NAME
22: .Nm mandoc
23: .Nd format and display UNIX manuals
24: .Sh SYNOPSIS
25: .Nm mandoc
1.62 schwarze 26: .Op Fl acfhklV
1.54 schwarze 27: .Sm off
28: .Op Fl I Cm os Li = Ar name
29: .Sm on
1.65 jmc 30: .Op Fl K Ns Ar encoding
1.1 kristaps 31: .Op Fl m Ns Ar format
1.26 jmc 32: .Op Fl O Ns Ar option
1.17 schwarze 33: .Op Fl T Ns Ar output
1.38 schwarze 34: .Op Fl W Ns Ar level
1.45 schwarze 35: .Op Ar
1.1 kristaps 36: .Sh DESCRIPTION
37: The
38: .Nm
1.10 schwarze 39: utility formats
1.1 kristaps 40: .Ux
1.25 jmc 41: manual pages for display.
1.53 schwarze 42: .Pp
43: By default,
44: .Nm
45: reads
46: .Xr mdoc 7
47: or
48: .Xr man 7
49: text from stdin, implying
50: .Fl m Ns Cm andoc ,
51: and produces
1.68 schwarze 52: .Fl T Ns Cm locale
1.53 schwarze 53: output.
54: .Pp
1.61 schwarze 55: The options are as follows:
1.5 schwarze 56: .Bl -tag -width Ds
1.60 schwarze 57: .It Fl a
58: If the standard output is a terminal device and
59: .Fl c
60: is not specified, use
61: .Xr more 1
62: to paginate the output, just like
63: .Xr man 1
64: would.
65: .It Fl c
66: Copy the formatted manual pages to the standard output without using
67: .Xr more 1
68: to paginate them.
69: This is the default.
70: It can be specified to override
71: .Fl a .
1.61 schwarze 72: .It Fl f
73: A synonym for
74: .Xr whatis 1 .
75: This overrides any earlier
76: .Fl k
77: and
78: .Fl l
79: options.
1.54 schwarze 80: .Sm off
81: .It Fl I Cm os Li = Ar name
82: .Sm on
83: Override the default operating system
84: .Ar name
85: for the
86: .Xr mdoc 7
87: .Sq \&Os
1.70 schwarze 88: and for the
89: .Xr man 7
90: .Sq \&TH
1.54 schwarze 91: macro.
1.62 schwarze 92: .It Fl h
93: Display only the SYNOPSIS lines.
94: Implies
1.66 schwarze 95: .Fl c .
1.64 schwarze 96: .It Fl K Ns Ar encoding
97: Specify the input encoding.
98: The supported
99: .Ar encoding
100: arguments are
101: .Cm us-ascii ,
102: .Cm iso-8859-1 ,
103: and
104: .Cm utf-8 .
105: If not specified, autodetection uses the first match:
106: .Bl -tag -width iso-8859-1
107: .It Cm utf-8
108: if the first three bytes of the input file
109: are the UTF-8 byte order mark (BOM, 0xefbbbf)
110: .It Ar encoding
111: if the first or second line of the input file matches the
112: .Sy emacs
113: mode line format
114: .Pp
115: .D1 .\e" -*- Oo ...; Oc coding: Ar encoding ; No -*-
116: .It Cm utf-8
117: if the first non-ASCII byte in the file introduces a valid UTF-8 sequence
118: .It Cm iso-8859-1
119: otherwise
120: .El
1.61 schwarze 121: .It Fl k
122: A synonym for
123: .Xr apropos 1 .
124: This overrides any earlier
125: .Fl f
126: and
127: .Fl l
128: options.
129: .It Fl l
130: A synonym for
131: .Fl a .
132: Also reverts any earlier
133: .Fl f
134: and
135: .Fl k
136: options.
1.1 kristaps 137: .It Fl m Ns Ar format
1.25 jmc 138: Input format.
139: See
1.1 kristaps 140: .Sx Input Formats
1.25 jmc 141: for available formats.
142: Defaults to
1.26 jmc 143: .Fl m Ns Cm andoc .
144: .It Fl O Ns Ar option
1.25 jmc 145: Comma-separated output options.
1.1 kristaps 146: .It Fl T Ns Ar output
1.25 jmc 147: Output format.
148: See
1.1 kristaps 149: .Sx Output Formats
1.25 jmc 150: for available formats.
151: Defaults to
1.68 schwarze 152: .Fl T Ns Cm locale .
1.4 schwarze 153: .It Fl V
154: Print version and exit.
1.38 schwarze 155: .It Fl W Ns Ar level
156: Specify the minimum message
157: .Ar level
158: to be reported on the standard error output and to affect the exit status.
159: The
160: .Ar level
161: can be
1.73 schwarze 162: .Cm warning ,
163: .Cm error ,
1.38 schwarze 164: or
1.73 schwarze 165: .Cm unsupp ;
1.72 schwarze 166: .Cm all
1.38 schwarze 167: is an alias for
1.72 schwarze 168: .Cm warning .
169: By default,
170: .Nm
171: is silent.
1.38 schwarze 172: See
173: .Sx EXIT STATUS
174: and
175: .Sx DIAGNOSTICS
176: for details.
177: .Pp
178: The special option
179: .Fl W Ns Cm stop
180: tells
181: .Nm
182: to exit after parsing a file that causes warnings or errors of at least
183: the requested level.
184: No formatted output will be produced from that file.
185: If both a
186: .Ar level
187: and
188: .Cm stop
189: are requested, they can be joined with a comma, for example
190: .Fl W Ns Cm error , Ns Cm stop .
1.26 jmc 191: .It Ar file
192: Read input from zero or more files.
1.25 jmc 193: If unspecified, reads from stdin.
194: If multiple files are specified,
1.1 kristaps 195: .Nm
196: will halt with the first failed parse.
197: .El
1.61 schwarze 198: .Pp
199: In
200: .Fl f
201: and
202: .Fl k
203: mode,
204: .Nm
205: also supports the options
206: .Fl CMmOSsw
207: described in the
208: .Xr apropos 1
209: manual.
1.1 kristaps 210: .Ss Input Formats
211: The
212: .Nm
213: utility accepts
214: .Xr mdoc 7
215: and
216: .Xr man 7
217: input with
1.26 jmc 218: .Fl m Ns Cm doc
1.1 kristaps 219: and
1.26 jmc 220: .Fl m Ns Cm an ,
1.25 jmc 221: respectively.
222: The
1.1 kristaps 223: .Xr mdoc 7
224: format is
225: .Em strongly
1.10 schwarze 226: recommended;
1.1 kristaps 227: .Xr man 7
228: should only be used for legacy manuals.
229: .Pp
230: A third option,
1.26 jmc 231: .Fl m Ns Cm andoc ,
1.1 kristaps 232: which is also the default, determines encoding on-the-fly: if the first
1.10 schwarze 233: non-comment macro is
1.11 schwarze 234: .Sq \&Dd
1.1 kristaps 235: or
1.11 schwarze 236: .Sq \&Dt ,
1.10 schwarze 237: the
1.1 kristaps 238: .Xr mdoc 7
239: parser is used; otherwise, the
240: .Xr man 7
241: parser is used.
242: .Pp
243: If multiple
1.10 schwarze 244: files are specified with
1.26 jmc 245: .Fl m Ns Cm andoc ,
1.25 jmc 246: each has its file-type determined this way.
247: If multiple files are
1.1 kristaps 248: specified and
1.26 jmc 249: .Fl m Ns Cm doc
1.1 kristaps 250: or
1.26 jmc 251: .Fl m Ns Cm an
1.1 kristaps 252: is specified, then this format is used exclusively.
253: .Ss Output Formats
254: The
255: .Nm
256: utility accepts the following
257: .Fl T
1.34 schwarze 258: arguments, which correspond to output modes:
1.48 jmc 259: .Bl -tag -width "-Tlocale"
1.26 jmc 260: .It Fl T Ns Cm ascii
1.42 schwarze 261: Produce 7-bit ASCII output.
1.25 jmc 262: See
1.20 schwarze 263: .Sx ASCII Output .
1.26 jmc 264: .It Fl T Ns Cm html
1.69 schwarze 265: Produce HTML5, CSS1, and MathML output.
1.25 jmc 266: See
1.20 schwarze 267: .Sx HTML Output .
1.26 jmc 268: .It Fl T Ns Cm lint
269: Parse only: produce no output.
270: Implies
1.38 schwarze 271: .Fl W Ns Cm warning .
1.48 jmc 272: .It Fl T Ns Cm locale
273: Encode output using the current locale.
1.68 schwarze 274: This is the default.
1.48 jmc 275: See
276: .Sx Locale Output .
1.46 schwarze 277: .It Fl T Ns Cm man
1.49 schwarze 278: Produce
1.46 schwarze 279: .Xr man 7
1.49 schwarze 280: format output.
281: See
282: .Sx Man Output .
1.36 schwarze 283: .It Fl T Ns Cm pdf
284: Produce PDF output.
285: See
286: .Sx PDF Output .
1.31 schwarze 287: .It Fl T Ns Cm ps
288: Produce PostScript output.
289: See
290: .Sx PostScript Output .
1.26 jmc 291: .It Fl T Ns Cm tree
292: Produce an indented parse tree.
1.48 jmc 293: .It Fl T Ns Cm utf8
294: Encode output in the UTF\-8 multi-byte format.
295: See
296: .Sx UTF\-8 Output .
1.26 jmc 297: .It Fl T Ns Cm xhtml
1.63 schwarze 298: This is a synonym for
299: .Fl T Ns Cm html .
1.1 kristaps 300: .El
301: .Pp
302: If multiple input files are specified, these will be processed by the
303: corresponding filter in-order.
1.34 schwarze 304: .Ss ASCII Output
305: Output produced by
1.68 schwarze 306: .Fl T Ns Cm ascii
307: is rendered in standard 7-bit ASCII documented in
1.34 schwarze 308: .Xr ascii 7 .
309: .Pp
310: Font styles are applied by using back-spaced encoding such that an
311: underlined character
312: .Sq c
313: is rendered as
314: .Sq _ Ns \e[bs] Ns c ,
315: where
316: .Sq \e[bs]
317: is the back-space character number 8.
318: Emboldened characters are rendered as
319: .Sq c Ns \e[bs] Ns c .
320: .Pp
321: The special characters documented in
322: .Xr mandoc_char 7
323: are rendered best-effort in an ASCII equivalent.
324: .Pp
325: Output width is limited to 78 visible columns unless literal input lines
326: exceed this limit.
327: .Pp
328: The following
329: .Fl O
330: arguments are accepted:
1.5 schwarze 331: .Bl -tag -width Ds
1.51 schwarze 332: .It Cm indent Ns = Ns Ar indent
333: The left margin for normal text is set to
334: .Ar indent
335: blank characters instead of the default of five for
336: .Xr mdoc 7
337: and seven for
338: .Xr man 7 .
339: Increasing this is not recommended; it may result in degraded formatting,
1.52 jmc 340: for example overfull lines or ugly line breaks.
1.34 schwarze 341: .It Cm width Ns = Ns Ar width
342: The output width is set to
343: .Ar width ,
1.75 ! schwarze 344: which will normalise to \(>=58.
1.1 kristaps 345: .El
1.34 schwarze 346: .Ss HTML Output
347: Output produced by
348: .Fl T Ns Cm html
1.63 schwarze 349: conforms to HTML5 using optional self-closing tags.
1.69 schwarze 350: Default styles use only CSS1.
351: Equations rendered from
352: .Xr eqn 7
353: blocks use MathML.
1.34 schwarze 354: .Pp
1.30 schwarze 355: The
1.34 schwarze 356: .Pa example.style.css
1.42 schwarze 357: file documents style-sheet classes available for customising output.
358: If a style-sheet is not specified with
359: .Fl O Ns Ar style ,
360: .Fl T Ns Cm html
1.63 schwarze 361: defaults to simple output (via an embedded style-sheet)
362: readable in any graphical or text-based web
1.42 schwarze 363: browser.
1.34 schwarze 364: .Pp
1.45 schwarze 365: Special characters are rendered in decimal-encoded UTF\-8.
1.34 schwarze 366: .Pp
367: The following
1.33 schwarze 368: .Fl O
1.34 schwarze 369: arguments are accepted:
1.17 schwarze 370: .Bl -tag -width Ds
1.49 schwarze 371: .It Cm fragment
1.67 bentley 372: Omit the <!DOCTYPE> declaration and the <html>, <head>, and <body>
373: elements and only emit the subtree below the <body> element.
1.49 schwarze 374: The
375: .Cm style
1.50 schwarze 376: argument will be ignored.
1.49 schwarze 377: This is useful when embedding manual content within existing documents.
1.33 schwarze 378: .It Cm includes Ns = Ns Ar fmt
1.17 schwarze 379: The string
380: .Ar fmt ,
1.21 schwarze 381: for example,
1.17 schwarze 382: .Ar ../src/%I.html ,
383: is used as a template for linked header files (usually via the
384: .Sq \&In
1.25 jmc 385: macro).
386: Instances of
1.17 schwarze 387: .Sq \&%I
1.25 jmc 388: are replaced with the include filename.
389: The default is not to present a
1.17 schwarze 390: hyperlink.
1.33 schwarze 391: .It Cm man Ns = Ns Ar fmt
1.17 schwarze 392: The string
393: .Ar fmt ,
1.21 schwarze 394: for example,
1.17 schwarze 395: .Ar ../html%S/%N.%S.html ,
396: is used as a template for linked manuals (usually via the
397: .Sq \&Xr
1.25 jmc 398: macro).
399: Instances of
1.17 schwarze 400: .Sq \&%N
401: and
402: .Sq %S
403: are replaced with the linked manual's name and section, respectively.
1.25 jmc 404: If no section is included, section 1 is assumed.
405: The default is not to
1.17 schwarze 406: present a hyperlink.
1.33 schwarze 407: .It Cm style Ns = Ns Ar style.css
1.26 jmc 408: The file
409: .Ar style.css
410: is used for an external style-sheet.
411: This must be a valid absolute or
412: relative URI.
1.30 schwarze 413: .El
1.48 jmc 414: .Ss Locale Output
415: Locale-depending output encoding is triggered with
416: .Fl T Ns Cm locale .
1.68 schwarze 417: This is the default.
418: .Pp
1.48 jmc 419: This option is not available on all systems: systems without locale
420: support, or those whose internal representation is not natively UCS-4,
421: will fall back to
422: .Fl T Ns Cm ascii .
423: See
424: .Sx ASCII Output
425: for font style specification and available command-line arguments.
1.49 schwarze 426: .Ss Man Output
427: Translate input format into
428: .Xr man 7
429: output format.
1.55 jmc 430: This is useful for distributing manual sources to legacy systems
1.49 schwarze 431: lacking
432: .Xr mdoc 7
433: formatters.
434: .Pp
435: If
436: .Xr mdoc 7
437: is passed as input, it is translated into
1.50 schwarze 438: .Xr man 7 .
439: If the input format is
1.49 schwarze 440: .Xr man 7 ,
1.50 schwarze 441: the input is copied to the output, expanding any
1.49 schwarze 442: .Xr roff 7
443: .Sq so
1.50 schwarze 444: requests.
445: The parser is also run, and as usual, the
446: .Fl W
447: level controls which
448: .Sx DIAGNOSTICS
449: are displayed before copying the input to the output.
1.48 jmc 450: .Ss PDF Output
451: PDF-1.1 output may be generated by
452: .Fl T Ns Cm pdf .
453: See
454: .Sx PostScript Output
455: for
456: .Fl O
457: arguments and defaults.
1.31 schwarze 458: .Ss PostScript Output
1.33 schwarze 459: PostScript
460: .Qq Adobe-3.0
461: Level-2 pages may be generated by
1.31 schwarze 462: .Fl T Ns Cm ps .
1.35 schwarze 463: Output pages default to letter sized and are rendered in the Times font
464: family, 11-point.
465: Margins are calculated as 1/9 the page length and width.
466: Line-height is 1.4m.
1.34 schwarze 467: .Pp
468: Special characters are rendered as in
469: .Sx ASCII Output .
470: .Pp
471: The following
472: .Fl O
473: arguments are accepted:
474: .Bl -tag -width Ds
475: .It Cm paper Ns = Ns Ar name
476: The paper size
477: .Ar name
478: may be one of
1.35 schwarze 479: .Ar a3 ,
480: .Ar a4 ,
481: .Ar a5 ,
482: .Ar legal ,
1.34 schwarze 483: or
484: .Ar letter .
1.35 schwarze 485: You may also manually specify dimensions as
486: .Ar NNxNN ,
487: width by height in millimetres.
488: If an unknown value is encountered,
489: .Ar letter
490: is used.
1.34 schwarze 491: .El
1.48 jmc 492: .Ss UTF\-8 Output
493: Use
494: .Fl T Ns Cm utf8
495: to force a UTF\-8 locale.
1.36 schwarze 496: See
1.48 jmc 497: .Sx Locale Output
498: for details and options.
1.60 schwarze 499: .Sh ENVIRONMENT
500: .Bl -tag -width MANPAGER
501: .It Ev MANPAGER
502: Any non-empty value of the environment variable
503: .Ev MANPAGER
504: will be used instead of the standard pagination program,
505: .Xr more 1 .
506: .It Ev PAGER
507: Specifies the pagination program to use when
508: .Ev MANPAGER
509: is not defined.
510: If neither PAGER nor MANPAGER is defined,
511: .Pa /usr/bin/more Fl s
512: will be used.
513: .El
1.38 schwarze 514: .Sh EXIT STATUS
515: The
516: .Nm
517: utility exits with one of the following values, controlled by the message
518: .Ar level
519: associated with the
520: .Fl W
521: option:
522: .Pp
523: .Bl -tag -width Ds -compact
524: .It 0
525: No warnings or errors occurred, or those that did were ignored because
526: they were lower than the requested
527: .Ar level .
528: .It 2
529: At least one warning occurred, but no error, and
530: .Fl W Ns Cm warning
531: was specified.
532: .It 3
1.73 schwarze 533: At least one parsing error occurred,
534: but no unsupported feature was encountered, and
535: .Fl W Ns Cm error
536: or
537: .Fl W Ns Cm warning
538: was specified.
539: .It 4
1.74 jmc 540: At least one unsupported feature was encountered, and
1.73 schwarze 541: .Fl W Ns Cm unsupp ,
1.38 schwarze 542: .Fl W Ns Cm error
543: or
544: .Fl W Ns Cm warning
545: was specified.
546: .It 5
547: Invalid command line arguments were specified.
548: No input files have been read.
549: .It 6
1.71 schwarze 550: An operating system error occurred, for example exhaustion
551: of memory, file descriptors, or process table entries.
1.38 schwarze 552: Such errors cause
553: .Nm
554: to exit at once, possibly in the middle of parsing or formatting a file.
555: .El
556: .Pp
557: Note that selecting
558: .Fl T Ns Cm lint
559: output mode implies
560: .Fl W Ns Cm warning .
1.1 kristaps 561: .Sh EXAMPLES
562: To page manuals to the terminal:
563: .Pp
1.42 schwarze 564: .Dl $ mandoc \-Wall,stop mandoc.1 2\*(Gt&1 | less
565: .Dl $ mandoc mandoc.1 mdoc.3 mdoc.7 | less
1.12 schwarze 566: .Pp
1.17 schwarze 567: To produce HTML manuals with
568: .Ar style.css
569: as the style-sheet:
570: .Pp
1.42 schwarze 571: .Dl $ mandoc \-Thtml -Ostyle=style.css mdoc.7 \*(Gt mdoc.7.html
1.17 schwarze 572: .Pp
1.12 schwarze 573: To check over a large set of manuals:
574: .Pp
1.38 schwarze 575: .Dl $ mandoc \-Tlint `find /usr/src -name \e*\e.[1-9]`
1.34 schwarze 576: .Pp
577: To produce a series of PostScript manuals for A4 paper:
578: .Pp
1.42 schwarze 579: .Dl $ mandoc \-Tps \-Opaper=a4 mdoc.7 man.7 \*(Gt manuals.ps
1.46 schwarze 580: .Pp
581: Convert a modern
582: .Xr mdoc 7
583: manual to the older
584: .Xr man 7
585: format, for use on systems lacking an
586: .Xr mdoc 7
587: parser:
588: .Pp
589: .Dl $ mandoc \-Tman foo.mdoc \*(Gt foo.man
1.38 schwarze 590: .Sh DIAGNOSTICS
1.59 schwarze 591: Messages displayed by
592: .Nm
593: follow this format:
1.38 schwarze 594: .Pp
1.59 schwarze 595: .D1 Nm Ns : Ar file : Ns Ar line : Ns Ar column : level : message : macro args
1.38 schwarze 596: .Pp
1.59 schwarze 597: Line and column numbers start at 1.
598: Both are omitted for messages referring to an input file as a whole.
599: Macro names and arguments are omitted where meaningless.
600: Fatal messages about invalid command line arguments
601: or operating system errors, for example when memory is exhausted,
602: may also omit the
603: .Ar file
1.57 schwarze 604: and
1.59 schwarze 605: .Ar level
606: fields.
1.57 schwarze 607: .Pp
1.38 schwarze 608: Message levels have the following meanings:
609: .Bl -tag -width "warning"
1.73 schwarze 610: .It Cm unsupp
611: An input file uses unsupported low-level
612: .Xr roff 7
613: features.
614: The output may be incomplete and/or misformatted,
615: so using GNU troff instead of
616: .Nm
617: to process the file may be preferable.
1.38 schwarze 618: .It Cm error
1.73 schwarze 619: An input file contains invalid syntax that cannot be safely interpreted.
1.38 schwarze 620: By discarding part of the input or inserting missing tokens,
621: the parser is able to continue, and the error does not prevent
622: generation of formatted output, but typically, preparing that
623: output involves information loss, broken document structure
1.73 schwarze 624: or unintended formatting, no matter whether
625: .Nm
626: or GNU troff is used.
627: In many cases, the output of
628: .Nm
629: and GNU troff is identical, but in some,
630: .Nm
631: is more resilient than GNU troff with respect to malformed input.
1.71 schwarze 632: .Pp
633: Non-existent or unreadable input files are also reported on the
634: .Cm error
635: level.
636: In that case, the parser cannot even be started and no output
637: is produced from those input files.
1.38 schwarze 638: .It Cm warning
639: An input file uses obsolete, discouraged or non-portable syntax.
640: All the same, the meaning of the input is unambiguous and a correct
641: rendering can be produced.
642: Documents causing warnings may render poorly when using other
643: formatting tools instead of
644: .Nm .
645: .El
646: .Pp
647: Messages of the
1.73 schwarze 648: .Cm warning ,
649: .Cm error ,
1.38 schwarze 650: and
1.73 schwarze 651: .Cm unsupp
1.71 schwarze 652: levels except those about non-existent or unreadable input files
653: are hidden unless their level, or a lower level, is requested using a
1.38 schwarze 654: .Fl W
655: option or
656: .Fl T Ns Cm lint
657: output mode.
1.1 kristaps 658: .Sh SEE ALSO
1.75 ! schwarze 659: .Xr apropos 1 ,
! 660: .Xr man 1 ,
1.47 schwarze 661: .Xr eqn 7 ,
1.25 jmc 662: .Xr man 7 ,
1.1 kristaps 663: .Xr mandoc_char 7 ,
1.43 schwarze 664: .Xr mdoc 7 ,
665: .Xr roff 7 ,
666: .Xr tbl 7
1.1 kristaps 667: .Sh AUTHORS
668: The
669: .Nm
1.10 schwarze 670: utility was written by
1.75 ! schwarze 671: .An Kristaps Dzonsons Aq Mt kristaps@bsd.lv
! 672: and is maintained by
! 673: .An Ingo Schwarze Aq Mt schwarze@openbsd.org .
! 674: .Sh BUGS
1.17 schwarze 675: In
1.75 ! schwarze 676: .Fl T Ns Cm html ,
1.17 schwarze 677: the maximum size of an element attribute is determined by
678: .Dv BUFSIZ ,
1.25 jmc 679: which is usually 1024 bytes.
680: Be aware of this when setting long link
1.26 jmc 681: formats such as
682: .Fl O Ns Cm style Ns = Ns Ar really/long/link .
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