1 ************************************************************************
2 * Official mandoc TODO.
3 * $Id: TODO,v 1.319 2021/09/21 17:58:13 schwarze Exp $
4 ************************************************************************
6 Many issues are annotated for difficulty as follows:
8 - loc = locality of the issue
9 * single file issue, affects file only, or very few
10 ** single module issue, affects several files of one module
11 *** cross-module issue, significantly impacts multiple modules
12 and may require substantial changes to internal interfaces
13 - exist = difficulty of the existing code in this area
14 * affected code is straightforward and easy to read and change
15 ** affected code is somewhat complex, but once you understand
16 the design, not particularly difficult to understand
17 *** affected code uses a special, exceptionally tricky design
18 - algo = difficulty of the new algorithm to be written
19 * the required logic and code is straightforward
20 ** the required logic is somewhat complex and needs a careful design
21 *** the required logic is exceptionally tricky,
22 maybe an approach to solve that is not even known yet
23 - size = the amount of code to be written or changed
24 * a small number of lines (at most 100, usually much less)
25 ** a considerable amount of code (several dozen to a few hundred)
26 *** a large amount of code (many hundreds, maybe thousands)
27 - imp = importance of the issue
28 * mostly for completeness
29 ** would be nice to have
30 *** issue causes considerable inconvenience
32 Obviously, as the issues have not been solved yet, these annotations
33 are mere guesses, and some may be wrong.
35 ************************************************************************
37 ************************************************************************
39 - .if n .ce in the middle of .TS data
40 afl case f1/id:000103,sig:06,src:009024+009105,op:splice,rep:2 (jes@)
41 While roff_parseln() prevents .ce and similar requests in the middle
42 of a tbl, the guard is no longer effective when the .ce is wrapped
43 in a roff block, for example a conditional. The resulting assertion
44 has never been seen in any real-world manual page.
45 This is too dangerous to fix before release because it requires
46 reorganizing the very delicate internals of roff_parseln(),
47 which risks causing more severe bugs.
48 loc * exist *** algo *** size * imp *
51 ************************************************************************
52 * bugs: invalid output
53 ************************************************************************
55 - wrong number of layout columns in tbl(7) code generated by -T man
56 https://savannah.gnu.org/bugs/?57720
57 The reason likely is that tbl(7) does not support the -Bl -column
58 feature of not explicitly specifying the last table column.
59 loc ** exist * algo ** size * imp ***
61 - eqn(7) delimiters cause conditional lines to misbehave
62 nabijaczleweli 8 Sep 2021 15:24:48 +0200
63 loc * exist *** algo *** size * imp *
65 - roff.c, roff_expand() should not remove blanks before comments
66 to Oliver Corff, Sep 7, 2021
67 loc * exist * algo * size * imp *
68 but watch out for regressions in the high-level parsers
69 maybe it should not even remove comments? - consider T{\"
72 ************************************************************************
74 ************************************************************************
76 --- missing roff features ----------------------------------------------
78 - .ad (adjust margins)
79 .ad l -- adjust left margin only (flush left)
80 .ad r -- adjust right margin only (flush right)
81 .ad c -- center text on line
82 .ad b -- adjust both margins (alias: .ad n)
83 .na -- temporarily disable adjustment without changing the mode
84 .ad -- re-enable adjustment without changing the mode
85 Adjustment mode is ignored while in no-fill mode (.nf).
86 loc *** exist *** algo ** size ** imp ** (parser reorg would help)
89 found by naddy@ in xloadimage(1)
90 loc ** exist *** algo * size * imp *
92 - .ns (no-space mode) occurs in xine-config(1)
93 when implementing this, also let .TH set it
94 reported by brad@ Sat, 15 Jan 2011 15:45:23 -0500
95 loc *** exist *** algo *** size ** imp *
97 - \w'' improve width measurements
98 would not be very useful without an expression parser, see below
99 needed for Tcl_NewStringObj(3) via wiz@ Wed, 5 Mar 2014 22:27:43 +0100
100 loc ** exist *** algo *** size * imp ***
102 - .als only works for macros in mandoc, not for user-defined strings.
103 Also, the "val" field in struct roffkv would have to be replaced
104 with a pointer to a reference-counted wrapper, and an alias
105 would have to point to the same wrapper as the original.
106 .als to undefined does nothing; the alias is not created.
107 .rm'ing the original leaves the alias to point to the old value.
108 .de .als .de changes both, but
109 .de .als .rm .de only changes the new value, not the alias.
110 Found in groffer(1) version 1.19
111 Jan Stary 20 Apr 2019 20:16:54 +0200
112 loc * exist ** algo ** size ** imp *
114 - roff string condition comparisons fail when vars contain quotes:
117 hard to fix because of the basic architecture (string replacement
118 happens before roff(7) syntax parsing)
119 Found in groffer(1) version 1.19
120 Jan Stary 20 Apr 2019 20:16:54 +0200
121 loc * exist *** algo *** size ** imp *
123 - mandoc replaces all ASCII control characters except tab and line feed
124 with '?' during input. It would be better to replace them with
125 Unicode escapes in preconv_encode() or somewhere in the vicinity,
126 such that the already existing better replacement strings show
127 up in the output. Emulating groff is not desirable: groff replaces
128 0x00, 0x0b, and 0x0d to 0x1f with the empty string (bad because
129 that's easy to overlook for the document author), 0x01 with '.'
130 (very confusing), and passes through 0x02 to 0x08, 0x0c, and 0x7f
131 raw (bad because that is insecure output). Remember that 0x07 may
132 need special handling because it is sometimes used for certain
133 delimiters, so it may need handling *after* roff.c rather than before.
134 reminded by John Gardner 16 Jun 2020 14:26:28 +1000
135 Actually, more ASCII control characters than just 0x07 may need
136 later handling because they can for example be used in macro names.
137 So they may need handling after roff(7) processing.
138 pointed out by John Gardner 23 Jun 2020 18:28:08 +1000
139 more info from John Gardner 29 Jun 2020 19:54:04 +1000
140 loc ** exist ** algo ** size ** imp *
142 - many missing features used in old groff_char(7),
143 some can possibly be supported
144 kamil at netbsd 12 Nov 2020 17:27:09 +0100 + reply
146 - \s with arbitrary arg delimiters as already supported for other escapes
147 found following jmc@'s mail 28 Apr 2021 18:31:41 +0100
148 loc * exist * algo * size * imp *
150 --- missing mdoc features ----------------------------------------------
152 - .Sh and .Ss should be parsed and partially callable, see groff_mdoc(7)
153 reed at reedmedia dot net Sat, 21 Dec 2019 17:13:07 -0600
154 loc ** exist ** algo ** size ** imp *
156 - .Bl -column .Xo support is missing
158 restore .Xr and .Dv to
159 lib/libc/compat-43/sigvec.3
160 lib/libc/gen/signal.3
161 lib/libc/sys/sigaction.2
162 loc * exist *** algo *** size * imp **
164 - edge case: decide how to deal with blk_full bad nesting, e.g.
165 .Sh .Nm .Bk .Nm .Ek .Sh found by jmc@ in ssh-keygen(1)
166 from jmc@ Wed, 14 Jul 2010 18:10:32 +0100
167 loc * exist *** algo *** size ** imp **
169 - .Bd -filled should not be the same as .Bd -ragged, but align both
170 the left and right margin. In groff, it is implemented in terms
171 of .ad b, which we don't have either. Found in cksum(1).
172 loc *** exist *** algo ** size ** imp ** (parser reorg would help)
174 - implement blank `Bl -column', such as
178 loc * exist *** algo *** size * imp *
180 - explicitly disallow nested `Bl -column', which would clobber internal
181 flags defined for struct mdoc_macro
182 loc * exist * algo * size * imp **
184 - In .Bl -column .It, the end of the line probably has to be regarded
185 as an implicit .Ta, if there could be one, see the following mildly
186 ugly code from login.conf(5):
187 .Bl -column minpasswordlen program xetcxmotd
188 .It path Ta path Ta value of Dv _PATH_DEFPATH
191 reported by Michal Mazurek <akfaew at jasminek dot net>
192 via jmc@ Thu, 7 Apr 2011 16:00:53 +0059
193 loc * exist *** algo ** size * imp **
195 - inside `.Bl -column' phrases, punctuation is handled like normal
196 text, e.g. `.Bl -column .It Fl x . Ta ...' should give "-x -."
198 - inside `.Bl -column' phrases, TERMP_IGNDELIM handling by `Pf'
199 is not safe, e.g. `.Bl -column .It Pf a b .' gives "ab."
200 but should give "ab ."
202 - prohibit `Nm' from having non-text HEAD children
203 (e.g., NetBSD mDNSShared/dns-sd.1)
204 (mdoc_html.c and mdoc_term.c `Nm' handlers can be slightly simplified)
206 - support translated section names
207 e.g. x11/scrotwm scrotwm_es.1:21:2: error: NAME section must be first
208 that one uses NOMBRE because it is spanish...
209 deraadt tends to think that section-dependent macro behaviour
210 is a bad idea in the first place, so this may be irrelevant
211 loc ** exist ** algo ** size * imp **
213 - When there is free text in the SYNOPSIS and that free text contains
214 the .Nm macro, groff somehow understands to treat the .Nm as an in-line
215 macro, while mandoc treats it as a block macro and breaks the line.
216 No idea how the logic for distinguishing in-line and block instances
217 should be, needs investigation.
218 uqs@ Thu, 2 Jun 2011 11:03:51 +0200
219 uqs@ Thu, 2 Jun 2011 11:33:35 +0200
220 loc * exist ** algo *** size * imp **
222 --- missing man features -----------------------------------------------
225 Markus Waldeck <waldeck at gmx dot de> 9 Jun 2015 05:49:56 +0200
226 Laura Morales <lauretas at mail dot com> 26 Apr 2018 08:15:55 +0200
227 Kamil Rytarowski <kamil at netbsd> 13 Nov 2020 00:19:36 +0100
228 patch from Kamil 13 Nov 2020 22:37:07 +0100
229 loc * exist * algo * size * imp *
231 - groff_www(7) .MTO and .URL
232 These macros were used by the GNU grep(1) man page.
233 The groff_www(7) manual page itself uses them, too.
234 We should probably *not* add them to mandoc.
235 Just mentioning this here to keep track of the abuse.
236 Laura Morales <lauretas at mail dot com> 20 Apr 2018 07:33:02 +0200
237 loc ** exist * algo * size ** imp *
239 --- missing tbl features -----------------------------------------------
241 - vertical centering in cells vertically spanned with ^
242 pali dot rohar at gmail dot com 16 Jul 2018 13:03:35 +0200
243 loc * exist *** algo *** size ** imp *
245 - support mdoc(7) and man(7) macros inside tbl(7) code;
246 probably requires the parser reorg and letting tbl(7)
247 use roff_node such that macro sets can mix;
248 informed by bapt@ that FreeBSD needs this: 3 Jan 2015 23:32:23 +0100
249 loc *** exist ** algo *** size ** imp ***
251 - look at the POSIX manuals in the books/man-pages-posix port,
252 they use some unsupported tbl(7) features, mostly macros in tbl(7).
253 loc * exist ** algo ** size ** imp ***
255 - look what Joerg Schilling manual pages use
256 Thu, 19 Mar 2015 18:31:48 +0100
258 --- missing eqn features -----------------------------------------------
260 - In a matrix, break the output line after each matrix line.
261 Found in the discussion at CDBUG 2015. Suggested by Avi Weinstock.
262 This may not be the ideal solution after all: eqn(7) matrices
263 are lists of columns, so Avi's proposal would show each *column*
264 on its own *line*, which is likely to cause confusion.
265 A better solution, but much harder to implement, would be to
266 actually show the coordinates of column vectors on different
267 terminal output lines, using the clumnated output facilities
268 developed for .Bl -tag, .Bl -column, and also used for tbl(7).
269 loc * exist * algo ** size ** imp **
271 - The "size" keyword is parsed, but ignored by the formatter.
272 loc * exist * algo * size * imp *
274 - The spacing characters `~', `^', and tab are currently ignored,
275 see User's Guide (Second Edition) page 2 section 4.
276 loc * exist * algo ** size * imp **
278 - Mark and lineup are parsed and ignored,
279 see User's Guide (Second Edition) page 5 section 15.
280 loc ** exist ** algo ** size ** imp **
282 - GNU eqn converts some operators to special characters, for example,
283 input HYPHEN-MINUS becomes output \(mi, unless it is part of a
284 quoted word. mandoc(1) only does this when the operator is
285 surrounded by blanks, not when it is part of an unquoted word.
286 Also, check whether there are more such cases (e.g., +?).
287 reported by bentley@ 20 Jun 2017 02:04:29 -0600
288 loc * exist ** algo ** size * imp *
290 - Primes, opprime, and '
291 bentley@ Thu, 13 Jul 2017 23:14:20 -0600
293 --- missing misc features ----------------------------------------------
295 - conisder whether man(1) fallback code in main.c/fs_*() can find files
296 like man3c/fopen.3c (illumos, Solaris) and man3p/fopen.3p (POSIX)
297 discussed with Robert Mustacchi 21 Sep 2021 10:39:40 -0700
298 loc * exist * algo ** size * imp **
300 - let makewhatis(8) follow symbolic links to dirs below READ_ALLOWED_PATH
301 this may be feasible using fts_set(FTS_FOLLOW)
302 mail to sternenseemann 19 Aug 2021 19:11:50 +0200
303 loc * exist ** algo ** size * imp **
305 - -T man does not handle eqn(7) and tbl(7)
306 Stephen Gregoratto 16 Feb 2020 01:28:07 +1100
307 also https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=901636
308 loc ** exist ** algo ** size *** imp **
310 - man -ks 1,8 route; kn@ Jul 13, 2018 orally
312 - italic correction (\/) in PostScript mode
313 Werner LEMBERG on groff at gnu dot org Sun, 10 Nov 2013 12:47:46
314 loc ** exist ** algo * size * imp *
316 - change the default PAGER to more -Es and use the pager
317 even for apropos title line output; req by bapt@
318 loc * exist * algo * size * imp ***
320 - clean up escape sequence handling, creating three classes:
321 (1) fully implemented, or parsed and ignored without loss of content
322 (2) unimplemented, potentially causing loss of content
323 or serious mangling of formatting (e.g. \n) -> ERROR
324 see textproc/mgdiff(1) for nice examples
325 (3) undefined, just output the character -> perhaps WARNING
326 loc *** exist ** algo ** size ** imp *** (parser reorg helps)
328 - kettenis wants base roff, ms, and me Fri, 1 Jan 2010 22:13:15 +0100 (CET)
329 loc ** exist ** algo ** size *** imp *
331 --- compatibility checks -----------------------------------------------
333 - is .Bk implemented correctly in modern groff?
334 sobrado@ Tue, 19 Apr 2011 22:12:55 +0200
336 - compare output to Heirloom roff, Solaris roff, and
337 http://repo.or.cz/w/neatroff.git http://litcave.rudi.ir/
339 - look at AT&T DWB http://www2.research.att.com/sw/download
340 Carsten Kunze <carsten dot kunze at arcor dot de> has patches
341 Mon, 4 Aug 2014 17:01:28 +0200
342 ported version: https://github.com/n-t-roff/DWB3.3
343 Carsten Kunze Wed, 22 Apr 2015 11:21:43 +0200
345 - look at pages generated from reStructeredText, e.g. devel/mercurial hg(1)
346 These are a weird mixture of man(7) and custom autogenerated low-level
347 roff stuff. Figure out to what extent we can cope.
348 For details, see http://docutils.sourceforge.net/rst.html
349 noted by stsp@ Sat, 24 Apr 2010 09:17:55 +0200
350 reminded by nicm@ Mon, 3 May 2010 09:52:41 +0100
352 - look at pages generated from ronn(1) github.com/rtomayko/ronn
355 - look at pages generated from Texinfo source by yat2m, e.g. security/gnupg
356 First impression is not that bad.
358 - look at pages generated by pandoc; see
359 https://github.com/jgm/pandoc/blob/master/src/Text/Pandoc/Writers/Man.hs
360 porting planned by kili@ Thu, 19 Jun 2014 19:46:28 +0200
362 - check compatibility with Plan9:
363 http://swtch.com/usr/local/plan9/tmac/tmac.an
364 http://swtch.com/plan9port/man/man7/man.html
365 "Anthony J. Bentley" <anthonyjbentley@gmail.com> 28 Dec 2010 21:58:40 -0700
367 - check compatibility with COHERENT troff:
368 http://www.nesssoftware.com/home/mwc/source.php
370 - check compatibility with the man(7) formatter
371 https://raw.githubusercontent.com/rofl0r/hardcore-utils/master/man.c
373 - check compatibility with
374 http://ikiwiki.info/plugins/contrib/mandoc/
375 https://github.com/schmonz/ikiwiki/compare/mandoc
376 Amitai Schlair Mon, 19 May 2014 14:05:53 -0400
378 - check compatibility with
379 https://git.sr.ht/~sircmpwn/scdoc
381 - check features of the Slackware man.conf(5) format
382 Carsten Kunze Wed, 11 Mar 2015 17:57:24 +0100
384 - look at http://www.snake.net/software/troffcvt/ (troff to HTML)
385 mentioned by Oliver Corff 22 Jan 2021 01:36:49 +0100
388 ************************************************************************
389 * formatting issues: ugly output
390 ************************************************************************
392 - revisit empty in-line macros
393 look at the difference between "Em x Em ." and "Sq x Em ."
394 Carsten Kunze Fri, 12 Dec 2014 00:15:41 +0100
395 loc *** exist *** algo *** size * imp **
397 - a column list with blank `Ta' cells triggers a spurious
398 start-with-whitespace printing of a newline
400 - In .Bl -column, .It a<tab>"b<tab>c"
401 shows the quotes in groff, but not in mandoc
402 loc * exist *** algo ** size * imp **
405 .It Em Authentication<tab>Key Length
406 ought to render "Key Length" with emphasis, too,
407 see OpenBSD iked.conf(5).
408 reported again Nicolas Joly via wiz@ Wed, 12 Oct 2011 00:20:00 +0200
409 loc * exist *** algo *** size ** imp ***
411 - empty phrases in .Bl column produce too few blanks
412 try e.g. .Bl -column It Ta Ta
413 reported by millert Fri, 02 Apr 2010 16:13:46 -0400
414 loc * exist *** algo *** size * imp **
416 - .%T can have trailing punctuation. Currently, it puts the trailing
417 punctuation into a trailing MDOC_TEXT element inside its own scope.
418 That element should rather be outside its scope, such that the
419 punctuation does not get underlines. This is not trivial to
420 implement because .%T then needs some features of in_line_eoln() -
421 slurp all arguments into one single text element - and one feature
422 of in_line() - put trailing punctuation out of scope.
423 Found in mount_nfs(8) and exports(5), search for "Appendix".
424 loc ** exist ** algo *** size * imp **
426 - Trailing punctuation after .%T triggers EOS spacing, at least
427 outside .Rs (eek!). Simply setting ARGSFL_DELIM for .%T is not
428 the right solution, it sends mandoc into an endless loop.
429 reported by Nicolas Joly Sat, 17 Nov 2012 11:49:54 +0100
430 loc * exist ** algo ** size * imp **
432 - global variables in the SYNOPSIS of section 3 pages
433 .Vt vs .Vt/.Va vs .Ft/.Va vs .Ft/.Fa ...
434 from kristaps@ Tue, 08 Jun 2010 11:13:32 +0200
436 - implicit whitespace around inline equations
437 example code: where '$times$' denotes matrix multiplication
438 must not have an HTML line break, nor a blank, before <math>
439 partial solution: html.c {"math", HTML_NLINSIDE | HTML_INDENT},
440 bentley@ Thu, 13 Jul 2017 19:00:59 -0600
442 - in enclosures, mandoc sometimes fancies a bogus end of sentence
443 reminded by jmc@ Thu, 23 Sep 2010 18:13:39 +0059
444 loc * exist ** algo *** size * imp ***
446 - a line starting with "\fB something" counts as starting with whitespace
447 and triggers a line break; found in audio/normalize-mp3(1)
448 This will become easier once escape sequences are represented
449 by syntax tree nodes.
450 loc ** exist * algo ** size * imp **
452 - formatting /usr/local/man/man1/latex2man.1 with groff and mandoc
453 reveals lots of bugs both in groff and mandoc...
454 reported by bentley@ Wed, 22 May 2013 23:49:30 -0600
456 --- PostScript and PDF issues ------------------------------------------
458 - PDF output doesn't use a monospaced font for .Bd -literal
459 Example: "mandoc -Tpdf afterboot.8 > output.pdf && pdfviewer output.pdf".
460 Search the text "Routing tables".
461 Also check what PostScript mode does when fixing this.
462 reported by juanfra@ Wed, 04 Jun 2014 21:44:58 +0200
463 instructions from juanfra@ Wed, 11 Jun 2014 02:21:01 +0200
464 add a new <</Type /Font>> block to the PDF files with /BaseFont /Courier
465 and change the /Name from /F0 to the new font (/F5 (?)).
466 re-reported by tb@ Mon, 16 Mar 2015 16:47:21 +0100
467 loc ** exist ** algo ** size * imp **
469 --- HTML issues --------------------------------------------------------
471 - make the HTML scaffolding customozable with -O skip=...
472 mail to Oliver Corff 3 Jun 2021 17:28:02 +0200
473 more feedback from Oliver 3 Jun 2021 18:27:56 +0200
474 more feedback from Oliver 3 Jun 2021 23:37:18 +0200
476 - .Bd -unfilled should not use monospaced font
477 anton@ 4 Mar 2021 08:19:35 +0100
478 loc ** exist * algo * size * imp **
480 - HTML formatting of .nf should avoid <br/>
481 and not close and re-open <pre> on .P
482 my mail to ports@ 27 Jun 2021 16:09:20 +0200
483 loc ** exist ** algo * size * imp **
485 - get rid of the last handful of style= attributes such that
486 Content-Security-Policy: can be enabled without unsafe-inline
487 suggested by bentley@ Nov 10, 2019 at 06:02:49AM -0700
488 loc * exist * algo * size * imp **
490 - .Bf at the beginning of a paragraph inserts a bogus 1ex horizontal
491 space, see for example random(3). Introduced in
492 http://mdocml.bsd.lv/cgi-bin/cvsweb/mdoc_html.c.diff?r1=1.91&r2=1.92
493 reported by deraadt@ Mon, 28 Sep 2015 20:14:13 -0600 (MDT)
494 loc ** exist ** algo ** size * imp *
496 - jsg on icb, Nov 3, 2014:
497 try to guess Xr in man(7) for hyperlinking
498 and render them with <a class="Xr" href=...>
499 https://github.com/Debian/debiman/issues/15
500 loc * exist * algo ** size ** imp **
502 - space characters can end up in href= attributes, for example coming
503 from the first .Xr argument (where they make no sense, but still);
504 does this affect other characters, other source macros...?
505 Jackson Pauls 29 Aug 2017 16:56:27 +0100
507 - The tables used to render the three-part page headers actually force
508 the width of the <body> to the max-width given for <html>.
509 Not yet sure how to fix that...
510 Observed by an Anonymous Coward on undeadly.org:
511 http://undeadly.org/cgi?action=article&sid=20140925064244&pid=1
512 loc * exist * algo ** size * imp ***
514 - generate <img> tags in HTML
515 idea from florian@ Tue, 7 Apr 2015 00:26:28 +0000
516 may be possible to implement with .Lk img://something.png alt_text
518 - check https://github.com/trentm/mdocml
520 ************************************************************************
521 * formatting issues: gratuitous differences
522 ************************************************************************
524 - .Fn reopens a new scope after punctuation in mandoc,
525 but closes its scope for good in groff.
526 Do we want to change mandoc or groff?
527 Steffen Nurpmeso Sat, 08 Nov 2014 13:34:59 +0100
528 loc * exist ** algo ** size * imp **
530 - In .Bl -enum -width 0n, groff continues one the same line after
531 the number, mandoc breaks the line.
532 mail to kristaps@ Mon, 20 Jul 2009 02:21:39 +0200
533 loc * exist ** algo ** size * imp **
535 - .Pp between two .It in .Bl -column should produce one,
536 not two blank lines, see e.g. login.conf(5).
537 reported by jmc@ Sun, 17 Apr 2011 14:04:58 +0059
538 reported again by sthen@ Wed, 18 Jan 2012 02:09:39 +0000 (UTC)
539 loc * exist *** algo ** size * imp **
541 - If the *first* line after .It is .Pp, break the line right after
542 the tag, do not pad with space characters before breaking.
543 See the description of the a, c, and i commands in sed(1).
544 loc * exist ** algo ** size * imp **
546 - If the first line after .It is .D1, do not assert a blank line
547 in between, see for example tmux(1).
548 reported by nicm@ 13 Jan 2011 00:18:57 +0000
549 loc * exist ** algo ** size * imp **
551 - Trailing punctuation after .It should trigger EOS spacing.
552 reported by Nicolas Joly Sat, 17 Nov 2012 11:49:54 +0100
553 Probably, this should be fixed somewhere in termp_it_pre(), not sure.
554 loc * exist ** algo ** size * imp **
556 - When the -width string contains macros, the macros must be rendered
557 before measuring the width, for example
558 .Bl -tag -width ".Dv message"
559 in magic(5), located in src/usr.bin/file, is the same
560 as -width 7n, not -width 11n.
561 The same applies to .Bl -column column widths;
562 reported again by Nicolas Joly Thu, 1 Mar 2012 13:41:26 +0100 via wiz@ 5 Mar
563 reported again by Franco Fichtner Fri, 27 Sep 2013 21:02:28 +0200
564 reported again by Bruce Evans Fri, 17 Feb 2017 21:22:44 +0100 via bapt@
565 loc *** exist *** algo *** size ** imp ***
566 An easy partial fix has been implemented as skip_leading_dot_word().
568 - The \& zero-width character counts as output.
569 That is, when it is alone on a line between two .Pp,
570 we want three blank lines, not two as in mandoc.
571 loc ** exist ** algo ** size * imp **
573 - Sequences of multiple man(7) paragraphs (.PP, .IP) interspersed
574 with .ps and .nf/.fi produce execessive blank lines, see libJudy
575 and graphics/dcmtk. The parser reorg may help with this.
577 - trailing whitespace must be ignored even when followed by a font escape,
581 operate in batch mode
583 loc ** exist ** algo ** size * imp **
585 ************************************************************************
587 ************************************************************************
589 - shorten/simplify error messages for usage errors
590 To: deraadt@ 25 Oct 2020 23:37:01 +0100
591 loc ** exist * algo * size ** imp ***
593 - warn about duplicate .Sh/.Ss heads
594 gre(4): Rename duplicate sections 20 Apr 2018 15:27:33 +0200
595 loc * exist * algo * size * imp **
597 - style message about macros inside .Bd -literal and .Dl, in particular
598 font changing macros like .Cm, .Ar, .Fa (from the mdoclint TODO)
600 - style message about mismatches between the section number in the
601 file name (if it is known) and the section number in .Dt
602 (from the mdoclint TODO)
604 - style message about NULL without .Dv (from the mdoclint TODO)
606 - style message about error constants without .Er (from the mdoclint TODO)
608 - warn when .Sh or .Ss contain other macros
609 Steffen Nurpmeso, savannah.gnu.org/bugs/index.php?45034
610 loc * exist * algo * size * imp **
612 - style message about violations of the convention
613 .An name Aq Mt localpart@domain in AUTHORS (from the mdoclint TODO)
615 - warn about attempts to call non-callable macros
616 Steffen Nurpmeso Tue, 11 Nov 2014 22:55:16 +0100
617 Note that formatting is inconsistent in groff.
618 .Fn Po prints "Po()", .Ar Sh prints "file ..." and no "Sh".
619 Relatively hard because the relevant code is scattered
620 all over mdoc_macro.c and all subtly different.
621 loc ** exist ** algo ** size ** imp **
623 - warn about punctuation - e.g. ',' and ';' - at the beginning
624 of a text line, if it is likely intended to follow the preceding
625 output without intervening whitespace, in particular after a
626 macro line (from the mdoclint TODO)
628 - report double .TH in man(7) as an ERROR and let the first win
629 kristaps@ 28 Mar 2021 13:30:41 +0200
630 loc * exist * algo * size * imp *
632 - makewhatis -p complains about language subdirectories:
633 /usr/local/man//ru: Unknown directory part
636 ************************************************************************
637 * documentation issues
638 ************************************************************************
640 - mark macros as: page structure domain, manual domain, general text domain
643 - mention /usr/share/misc/mdoc.template in mdoc(7)?
645 - Is all the content from http://www.std.com/obi/BSD/doc/usd/28.tbl/tbl
648 ************************************************************************
650 ************************************************************************
652 - the PDF file is HUGE: this can be reduced by using relative offsets
654 ************************************************************************
656 ************************************************************************
658 - POSIX says in the documentation of sysconf(3) that PATH_MAX
659 is allowed to be so large that it is a bad idea to use it
660 for sizing static buffers. So use dynamic buffers throughout.
661 See the file test-PATH_MAX.c for details.
662 Found by Aaron M. Ucko in the GNU Hurd via Bdale Garbee,
663 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=829624
665 - Is it possible to further simplify ENDBODY_SPACE?
667 - Find better ways to prevent endless loops
668 in roff(7) macro and string expansion.
670 - make buffers for parsing functions const
671 christos@ via wiz@ Fri, 18 Dec 2015 17:10:01 +0100
673 - struct mparse refactoring
674 Steffen Nurpmeso Thu, 04 Sep 2014 12:50:00 +0200
676 ************************************************************************
678 ************************************************************************
680 - Inspect httpd(8) logs on man.openbsd.org and consider
681 whether logging can be improved, where bad syntax comes from,
682 and what needs to be done to get rid of COMPAT_OLDURI.
683 - Enable HTTP compression by detecting gzip encoding and filtering
685 - Privilege separation (see OpenSSH).
686 - Enable caching support via HTTP 304 and If-Modified-Since.
688 ************************************************************************
689 * to improve in the groff_mdoc(7) macros
690 ************************************************************************
692 - delete OS release verification from .Dx, .Fx, .Nx, .Ox etc.
693 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629161
694 also Branden Robinson 18 Dec 2019 00:59:52 +1100
696 - Can the distinction between .Vt and .Va be made stricter,
697 recommending .Vt extern char * Ns Va optarg ; ?
698 What about the block macro properties of .Vt in the SYNOPSIS?
699 zeurkous 25 Dec 2019 08:48:36 +0100
701 - .Cd # arch1, arch2 in section 4 pages:
702 find better way to indicate multiple architectures, maybe:
703 allow .Dt vgafb 4 "macppc sparc64"
704 already shown as "Device Drivers Manual (macppc sparc64)"
705 for apropos, make that "vgafb(4) - macppc # sparc64" instead of "- all"
706 groff can be made to show multiple arches, too, but it is
707 tedious to do the string parsing in roff code...
708 jmc@ 23 Apr 2018 07:24:52 +0100 [man for vgafb(4)...]
709 loc ** exist ** algo * size * imp ***
711 - use uname(1) to set doc-default-operating-system at install time
712 tobimensch Mon, 1 Dec 2014 00:25:07 +0100
714 - apostrophe (39), circumflex (94), grave (96), tilde (126)
715 in manuals: \(aq, \(ha, \`, \(ti
716 Re: [Groff] ASCII Minus Sign in man Pages.
717 bentley@ 26 Apr 2017 10:02:06 -0600
718 Do we need to fix existing manuals?
719 Do we need to fix the definition of the mdoc(7) language?