Annotation of src/usr.bin/mandoc/mandoc.1, Revision 1.34
1.34 ! schwarze 1: .\" $OpenBSD: mandoc.1,v 1.33 2010/06/29 14:41:28 schwarze Exp $
1.1 kristaps 2: .\"
1.29 schwarze 3: .\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@bsd.lv>
1.1 kristaps 4: .\"
5: .\" Permission to use, copy, modify, and distribute this software for any
1.3 schwarze 6: .\" purpose with or without fee is hereby granted, provided that the above
7: .\" copyright notice and this permission notice appear in all copies.
1.1 kristaps 8: .\"
1.3 schwarze 9: .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 16: .\"
1.34 ! schwarze 17: .Dd $Mdocdate: June 29 2010 $
1.2 deraadt 18: .Dt MANDOC 1
1.1 kristaps 19: .Os
20: .Sh NAME
21: .Nm mandoc
22: .Nd format and display UNIX manuals
23: .Sh SYNOPSIS
24: .Nm mandoc
1.26 jmc 25: .Op Fl V
26: .Op Fl f Ns Ar option
1.1 kristaps 27: .Op Fl m Ns Ar format
1.26 jmc 28: .Op Fl O Ns Ar option
1.17 schwarze 29: .Op Fl T Ns Ar output
1.26 jmc 30: .Op Fl W Ns Ar err
31: .Op Ar file...
1.1 kristaps 32: .Sh DESCRIPTION
33: The
34: .Nm
1.10 schwarze 35: utility formats
1.1 kristaps 36: .Ux
1.25 jmc 37: manual pages for display.
38: The arguments are as follows:
1.5 schwarze 39: .Bl -tag -width Ds
1.26 jmc 40: .It Fl f Ns Ar option
1.25 jmc 41: Comma-separated compiler options.
42: See
1.1 kristaps 43: .Sx Compiler Options
44: for details.
45: .It Fl m Ns Ar format
1.25 jmc 46: Input format.
47: See
1.1 kristaps 48: .Sx Input Formats
1.25 jmc 49: for available formats.
50: Defaults to
1.26 jmc 51: .Fl m Ns Cm andoc .
52: .It Fl O Ns Ar option
1.25 jmc 53: Comma-separated output options.
1.1 kristaps 54: .It Fl T Ns Ar output
1.25 jmc 55: Output format.
56: See
1.1 kristaps 57: .Sx Output Formats
1.25 jmc 58: for available formats.
59: Defaults to
1.26 jmc 60: .Fl T Ns Cm ascii .
1.4 schwarze 61: .It Fl V
62: Print version and exit.
1.26 jmc 63: .It Fl W Ns Ar err
1.25 jmc 64: Comma-separated warning options.
65: Use
1.26 jmc 66: .Fl W Ns Cm all
1.8 schwarze 67: to print warnings,
1.26 jmc 68: .Fl W Ns Cm error
1.8 schwarze 69: for warnings to be considered errors and cause utility
1.25 jmc 70: termination.
71: Multiple
1.1 kristaps 72: .Fl W
73: arguments may be comma-separated, such as
1.26 jmc 74: .Fl W Ns Cm error , Ns Cm all .
75: .It Ar file
76: Read input from zero or more files.
1.25 jmc 77: If unspecified, reads from stdin.
78: If multiple files are specified,
1.1 kristaps 79: .Nm
80: will halt with the first failed parse.
81: .El
82: .Pp
1.10 schwarze 83: By default,
84: .Nm
85: reads
1.1 kristaps 86: .Xr mdoc 7
87: or
88: .Xr man 7
89: text from stdin, implying
1.26 jmc 90: .Fl m Ns Cm andoc ,
1.20 schwarze 91: and produces
1.26 jmc 92: .Fl T Ns Cm ascii
1.20 schwarze 93: output.
1.1 kristaps 94: .Pp
95: .Ex -std mandoc
96: .Ss Input Formats
97: The
98: .Nm
99: utility accepts
100: .Xr mdoc 7
101: and
102: .Xr man 7
103: input with
1.26 jmc 104: .Fl m Ns Cm doc
1.1 kristaps 105: and
1.26 jmc 106: .Fl m Ns Cm an ,
1.25 jmc 107: respectively.
108: The
1.1 kristaps 109: .Xr mdoc 7
110: format is
111: .Em strongly
1.10 schwarze 112: recommended;
1.1 kristaps 113: .Xr man 7
114: should only be used for legacy manuals.
115: .Pp
116: A third option,
1.26 jmc 117: .Fl m Ns Cm andoc ,
1.1 kristaps 118: which is also the default, determines encoding on-the-fly: if the first
1.10 schwarze 119: non-comment macro is
1.11 schwarze 120: .Sq \&Dd
1.1 kristaps 121: or
1.11 schwarze 122: .Sq \&Dt ,
1.10 schwarze 123: the
1.1 kristaps 124: .Xr mdoc 7
125: parser is used; otherwise, the
126: .Xr man 7
127: parser is used.
128: .Pp
129: If multiple
1.10 schwarze 130: files are specified with
1.26 jmc 131: .Fl m Ns Cm andoc ,
1.25 jmc 132: each has its file-type determined this way.
133: If multiple files are
1.1 kristaps 134: specified and
1.26 jmc 135: .Fl m Ns Cm doc
1.1 kristaps 136: or
1.26 jmc 137: .Fl m Ns Cm an
1.1 kristaps 138: is specified, then this format is used exclusively.
1.34 ! schwarze 139: .Ss Compiler Options
! 140: Default
! 141: .Xr mdoc 7
! 142: and
! 143: .Xr man 7
! 144: compilation behaviour may be overridden with the
! 145: .Fl f
! 146: flag.
! 147: .Bl -tag -width Ds
! 148: .It Fl f Ns Cm ign-errors
! 149: When parsing multiple files, don't halt when one errors out.
! 150: Useful with
! 151: .Fl T Ns Cm lint
! 152: over a large set of manuals passed on the command line.
! 153: .It Fl f Ns Cm ign-escape
! 154: Ignore invalid escape sequences.
! 155: This is the default, but the option can be used to override an earlier
! 156: .Fl f Ns Cm strict .
! 157: .It Fl f Ns Cm ign-scope
! 158: When rewinding the scope of a block macro, forces the compiler to ignore
! 159: scope violations.
! 160: This can seriously mangle the resulting tree.
! 161: .Pq mdoc only
! 162: .It Fl f Ns Cm no-ign-escape
! 163: Do not ignore invalid escape sequences.
! 164: .It Fl f Ns Cm no-ign-macro
! 165: Do not ignore unknown macros at the start of input lines.
! 166: .It Fl f Ns Cm strict
! 167: Implies
! 168: .Fl f Ns Cm no-ign-escape
! 169: and
! 170: .Fl f Ns Cm no-ign-macro .
! 171: .El
1.1 kristaps 172: .Ss Output Formats
173: The
174: .Nm
175: utility accepts the following
176: .Fl T
1.34 ! schwarze 177: arguments, which correspond to output modes:
1.5 schwarze 178: .Bl -tag -width Ds
1.26 jmc 179: .It Fl T Ns Cm ascii
1.1 kristaps 180: Produce 7-bit ASCII output, backspace-encoded for bold and underline
1.25 jmc 181: styles.
182: This is the default.
183: See
1.20 schwarze 184: .Sx ASCII Output .
1.26 jmc 185: .It Fl T Ns Cm html
1.25 jmc 186: Produce strict HTML-4.01 output, with a sane default style.
187: See
1.20 schwarze 188: .Sx HTML Output .
1.26 jmc 189: .It Fl T Ns Cm lint
190: Parse only: produce no output.
191: Implies
192: .Fl W Ns Cm all
193: and
194: .Fl f Ns Cm strict .
1.31 schwarze 195: .It Fl T Ns Cm ps
196: Produce PostScript output.
197: See
198: .Sx PostScript Output .
1.26 jmc 199: .It Fl T Ns Cm tree
200: Produce an indented parse tree.
201: .It Fl T Ns Cm xhtml
1.25 jmc 202: Produce strict XHTML-1.0 output, with a sane default style.
203: See
1.21 schwarze 204: .Sx XHTML Output .
1.1 kristaps 205: .El
206: .Pp
207: If multiple input files are specified, these will be processed by the
208: corresponding filter in-order.
1.34 ! schwarze 209: .Ss ASCII Output
! 210: Output produced by
! 211: .Fl T Ns Cm ascii ,
! 212: which is the default, is rendered in standard 7-bit ASCII documented in
! 213: .Xr ascii 7 .
! 214: .Pp
! 215: Font styles are applied by using back-spaced encoding such that an
! 216: underlined character
! 217: .Sq c
! 218: is rendered as
! 219: .Sq _ Ns \e[bs] Ns c ,
! 220: where
! 221: .Sq \e[bs]
! 222: is the back-space character number 8.
! 223: Emboldened characters are rendered as
! 224: .Sq c Ns \e[bs] Ns c .
! 225: .Pp
! 226: The special characters documented in
! 227: .Xr mandoc_char 7
! 228: are rendered best-effort in an ASCII equivalent.
! 229: .Pp
! 230: Output width is limited to 78 visible columns unless literal input lines
! 231: exceed this limit.
! 232: .Pp
! 233: The following
! 234: .Fl O
! 235: arguments are accepted:
1.5 schwarze 236: .Bl -tag -width Ds
1.34 ! schwarze 237: .It Cm width Ns = Ns Ar width
! 238: The output width is set to
! 239: .Ar width ,
! 240: which will normalise to \(>=60.
1.1 kristaps 241: .El
1.34 ! schwarze 242: .Ss HTML Output
! 243: Output produced by
! 244: .Fl T Ns Cm html
! 245: conforms to HTML-4.01 strict.
! 246: .Pp
! 247: Font styles and page structure are applied using CSS2.
! 248: By default, no font style is applied to any text,
! 249: although CSS2 is hard-coded to format
! 250: the basic structure of output.
! 251: .Pp
1.30 schwarze 252: The
1.34 ! schwarze 253: .Pa example.style.css
! 254: file documents the range of styles applied to output and, if used, will
! 255: cause rendered documents to appear as they do in
! 256: .Fl T Ns Cm ascii .
! 257: .Pp
! 258: Special characters are rendered in decimal-encoded UTF-8.
! 259: .Pp
! 260: The following
1.33 schwarze 261: .Fl O
1.34 ! schwarze 262: arguments are accepted:
1.17 schwarze 263: .Bl -tag -width Ds
1.33 schwarze 264: .It Cm includes Ns = Ns Ar fmt
1.17 schwarze 265: The string
266: .Ar fmt ,
1.21 schwarze 267: for example,
1.17 schwarze 268: .Ar ../src/%I.html ,
269: is used as a template for linked header files (usually via the
270: .Sq \&In
1.25 jmc 271: macro).
272: Instances of
1.17 schwarze 273: .Sq \&%I
1.25 jmc 274: are replaced with the include filename.
275: The default is not to present a
1.17 schwarze 276: hyperlink.
1.33 schwarze 277: .It Cm man Ns = Ns Ar fmt
1.17 schwarze 278: The string
279: .Ar fmt ,
1.21 schwarze 280: for example,
1.17 schwarze 281: .Ar ../html%S/%N.%S.html ,
282: is used as a template for linked manuals (usually via the
283: .Sq \&Xr
1.25 jmc 284: macro).
285: Instances of
1.17 schwarze 286: .Sq \&%N
287: and
288: .Sq %S
289: are replaced with the linked manual's name and section, respectively.
1.25 jmc 290: If no section is included, section 1 is assumed.
291: The default is not to
1.17 schwarze 292: present a hyperlink.
1.33 schwarze 293: .It Cm style Ns = Ns Ar style.css
1.26 jmc 294: The file
295: .Ar style.css
296: is used for an external style-sheet.
297: This must be a valid absolute or
298: relative URI.
1.30 schwarze 299: .El
1.31 schwarze 300: .Ss PostScript Output
1.33 schwarze 301: PostScript
302: .Qq Adobe-3.0
303: Level-2 pages may be generated by
1.31 schwarze 304: .Fl T Ns Cm ps .
1.34 ! schwarze 305: Output pages are US-letter sized and rendered in fixed, 10-point Courier
! 306: font.
! 307: .Pp
! 308: Special characters are rendered as in
! 309: .Sx ASCII Output .
! 310: .Pp
! 311: The following
! 312: .Fl O
! 313: arguments are accepted:
! 314: .Bl -tag -width Ds
! 315: .It Cm paper Ns = Ns Ar name
! 316: The paper size
! 317: .Ar name
! 318: may be one of
! 319: .Ar a4
! 320: or
! 321: .Ar letter .
! 322: .El
1.21 schwarze 323: .Ss XHTML Output
324: Output produced by
1.26 jmc 325: .Fl T Ns Cm xhtml
1.21 schwarze 326: conforms to XHTML-1.0 strict.
327: .Pp
328: See
329: .Sx HTML Output
330: for details; beyond generating XHTML tags instead of HTML tags, these
331: output modes are identical.
1.1 kristaps 332: .Sh EXAMPLES
333: To page manuals to the terminal:
334: .Pp
1.26 jmc 335: .D1 $ mandoc \-Wall,error \-fstrict mandoc.1 2\*(Gt&1 | less
336: .D1 $ mandoc mandoc.1 mdoc.3 mdoc.7 | less
1.12 schwarze 337: .Pp
1.17 schwarze 338: To produce HTML manuals with
339: .Ar style.css
340: as the style-sheet:
341: .Pp
1.26 jmc 342: .D1 $ mandoc \-Thtml -Ostyle=style.css mdoc.7 \*(Gt mdoc.7.html
1.17 schwarze 343: .Pp
1.12 schwarze 344: To check over a large set of manuals:
345: .Pp
1.26 jmc 346: .Dl $ mandoc \-Tlint \-fign-errors `find /usr/src -name \e*\e.[1-9]`
1.34 ! schwarze 347: .Pp
! 348: To produce a series of PostScript manuals for A4 paper:
! 349: .Pp
! 350: .D1 $ mandoc \-Tps \-Opaper=a4 mdoc.7 man.7 \*(Gt manuals.ps
1.6 schwarze 351: .Sh COMPATIBILITY
1.10 schwarze 352: This section summarises
1.6 schwarze 353: .Nm
1.10 schwarze 354: compatibility with
1.6 schwarze 355: .Xr groff 1 .
1.14 schwarze 356: Each input and output format is separately noted.
1.20 schwarze 357: .Ss ASCII Compatibility
1.6 schwarze 358: .Bl -bullet -compact
1.13 schwarze 359: .It
1.21 schwarze 360: The
1.13 schwarze 361: .Sq \e~
1.21 schwarze 362: special character doesn't produce expected behaviour in
1.26 jmc 363: .Fl T Ns Cm ascii .
1.14 schwarze 364: .It
1.21 schwarze 365: The
1.14 schwarze 366: .Sq \&Bd \-literal
1.21 schwarze 367: and
1.14 schwarze 368: .Sq \&Bd \-unfilled
369: macros of
370: .Xr mdoc 7
371: in
1.26 jmc 372: .Fl T Ns Cm ascii
1.14 schwarze 373: are synonyms, as are \-filled and \-ragged.
374: .It
1.21 schwarze 375: In
1.14 schwarze 376: .Xr groff 1 ,
377: the
378: .Sq \&Pa
379: .Xr mdoc 7
380: macro does not underline when scoped under an
381: .Sq \&It
1.25 jmc 382: in the FILES section.
383: This behaves correctly in
1.14 schwarze 384: .Nm .
1.10 schwarze 385: .It
1.26 jmc 386: A list or display following the
1.11 schwarze 387: .Sq \&Ss
1.14 schwarze 388: .Xr mdoc 7
389: macro in
1.26 jmc 390: .Fl T Ns Cm ascii
1.6 schwarze 391: does not assert a prior vertical break, just as it doesn't with
1.11 schwarze 392: .Sq \&Sh .
1.6 schwarze 393: .It
1.14 schwarze 394: The
395: .Sq \&na
396: .Xr man 7
1.16 schwarze 397: macro in
1.26 jmc 398: .Fl T Ns Cm ascii
1.16 schwarze 399: has no effect.
1.6 schwarze 400: .It
401: Words aren't hyphenated.
1.7 schwarze 402: .It
403: In normal mode (not a literal block), blocks of spaces aren't preserved,
1.14 schwarze 404: so double spaces following sentence closure are reduced to a single space;
405: .Xr groff 1
406: retains spaces.
407: .It
408: Sentences are unilaterally monospaced.
1.6 schwarze 409: .El
1.21 schwarze 410: .Ss HTML/XHTML Compatibility
1.17 schwarze 411: .Bl -bullet -compact
412: .It
413: The
1.20 schwarze 414: .Sq \efP
415: escape will revert the font to the previous
416: .Sq \ef
417: escape, not to the last rendered decoration, which is now dictated by
1.25 jmc 418: CSS instead of hard-coded.
419: It also will not span past the current scope,
420: for the same reason.
421: Note that in
1.20 schwarze 422: .Sx ASCII Output
423: mode, this will work fine.
424: .It
425: The
1.17 schwarze 426: .Xr mdoc 7
427: .Sq \&Bl \-hang
428: and
429: .Sq \&Bl \-tag
430: list types render similarly (no break following overreached left-hand
431: side) due to the expressive constraints of HTML.
432: .It
433: The
434: .Xr man 7
435: .Sq IP
436: and
437: .Sq TP
438: lists render similarly.
439: .El
1.1 kristaps 440: .Sh SEE ALSO
1.25 jmc 441: .Xr man 7 ,
1.1 kristaps 442: .Xr mandoc_char 7 ,
1.25 jmc 443: .Xr mdoc 7
1.1 kristaps 444: .Sh AUTHORS
445: The
446: .Nm
1.10 schwarze 447: utility was written by
1.29 schwarze 448: .An Kristaps Dzonsons Aq kristaps@bsd.lv .
1.17 schwarze 449: .Sh CAVEATS
1.20 schwarze 450: The
1.26 jmc 451: .Fl T Ns Cm html
1.21 schwarze 452: and
1.26 jmc 453: .Fl T Ns Cm xhtml
1.20 schwarze 454: CSS2 styling used for
1.26 jmc 455: .Fl m Ns Cm doc
1.22 schwarze 456: input lists does not render properly in older browsers, such as Internet
457: Explorer 6 and earlier.
1.20 schwarze 458: .Pp
1.17 schwarze 459: In
1.26 jmc 460: .Fl T Ns Cm html
1.21 schwarze 461: and
1.26 jmc 462: .Fl T Ns Cm xhtml ,
1.17 schwarze 463: the maximum size of an element attribute is determined by
464: .Dv BUFSIZ ,
1.25 jmc 465: which is usually 1024 bytes.
466: Be aware of this when setting long link
1.26 jmc 467: formats such as
468: .Fl O Ns Cm style Ns = Ns Ar really/long/link .
1.20 schwarze 469: .Pp
470: The
1.26 jmc 471: .Fl T Ns Cm html
1.21 schwarze 472: and
1.26 jmc 473: .Fl T Ns Cm xhtml
1.21 schwarze 474: output modes don't render the
1.20 schwarze 475: .Sq \es
476: font size escape documented in
477: .Xr mdoc 7
478: and
479: .Xr man 7 .
1.22 schwarze 480: .Pp
481: Nesting elements within next-line element scopes of
1.26 jmc 482: .Fl m Ns Cm an ,
1.22 schwarze 483: such as
484: .Sq br
485: within an empty
486: .Sq B ,
487: will confuse
1.26 jmc 488: .Fl T Ns Cm html
1.22 schwarze 489: and
1.26 jmc 490: .Fl T Ns Cm xhtml
1.23 schwarze 491: and cause them to forget the formatting of the prior next-line scope.
492: .Pp
493: The
494: .Sq i
495: macro in
1.26 jmc 496: .Fl m Ns Cm an
1.23 schwarze 497: should italicise all subsequent text if a line argument is not provided.
498: This behaviour is not implemented.
1.24 schwarze 499: The
500: .Sq \(aq
501: control character is an alias for the standard macro control character
502: and does not emit a line-break as stipulated in GNU troff.