1 ************************************************************************
2 * Official mandoc TODO.
3 * $Id: TODO,v 1.223 2017/01/17 15:32:43 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 --- missing roff features ----------------------------------------------
41 - .ad (adjust margins)
42 .ad l -- adjust left margin only (flush left)
43 .ad r -- adjust right margin only (flush right)
44 .ad c -- center text on line
45 .ad b -- adjust both margins (alias: .ad n)
46 .na -- temporarily disable adjustment without changing the mode
47 .ad -- re-enable adjustment without changing the mode
48 Adjustment mode is ignored while in no-fill mode (.nf).
49 loc *** exist *** algo ** size ** imp ** (parser reorg would help)
52 found by naddy@ in xloadimage(1)
53 loc ** exist *** algo * size * imp *
55 - .nr third argument (auto-increment step size, requires \n+)
56 found by bentley@ in sbcl(1) Mon, 9 Dec 2013 18:36:57 -0700
57 loc * exist * algo * size * imp **
59 - .ns (no-space mode) occurs in xine-config(1)
60 when implementing this, also let .TH set it
61 reported by brad@ Sat, 15 Jan 2011 15:45:23 -0500
62 loc *** exist *** algo *** size ** imp *
65 #1 most important issue naddy@ Mon, 16 Feb 2015 20:59:17 +0100
66 ircbug(1) gnats(1) reported by brad@ Sat, 15 Jan 2011 15:50:51 -0500
67 also Tcl_NewStringObj(3) via wiz@ Wed, 5 Mar 2014 22:27:43 +0100
68 also posix2time(3) Carsten Kunze Mon, 1 Dec 2014 13:03:10 +0100
69 loc ** exist *** algo ** size ** imp ***
71 - .ti (temporary indent)
72 found by naddy@ in xloadimage(1) [devel/libvstr] vstr(3)
73 found by bentley@ in nmh(1) Mon, 23 Apr 2012 13:38:28 -0600
74 loc ** exist ** algo ** size * imp ** (parser reorg helps a lot)
77 found by jca@ in ratpoison(1) Sun, 30 Jun 2013 12:01:09 +0200
78 loc * exist ** algo ** size ** imp **
81 #2 most important issue naddy@ Mon, 16 Feb 2015 20:59:17 +0100
82 found in cclive(1) nasm(1) bogofilter(1) asciidoc/DocBook output
83 bentley@ on discuss@ Sat, 21 Sep 2013 22:29:34 -0600
84 naddy@ Thu, 4 Dec 2014 16:26:41 +0100
85 loc ** exist ** algo ** size * imp *** (parser reorg helps a lot)
87 - \n+ and \n- numerical register increment and decrement
88 found by bentley@ in sbcl(1) Mon, 9 Dec 2013 18:36:57 -0700
89 loc * exist * algo * size * imp **
91 - \n(.$ macro argument count number register; ocserv(8) by autogen
92 found by sthen@ Thu, 19 Feb 2015 22:03:01 +0000
93 loc * exist ** algo * size * imp **
95 - \w'' improve width measurements
96 would not be very useful without an expression parser, see below
97 needed for Tcl_NewStringObj(3) via wiz@ Wed, 5 Mar 2014 22:27:43 +0100
98 loc ** exist *** algo *** size * imp ***
100 - \\ in high-level macro arguments
101 Currently, \\ is expanded in two situations:
102 1) macro and string definition (roff.c setstrn())
103 2) macro argument parsing (mandoc.c mandoc_getarg())
104 For user defined macros, the second happens in time because of ROFF_REPARSE.
105 But for standard high-level macros, it only happens after entering the
106 high level parsers, which is too late because the code doesn't get
107 back to roff.c roff_res() from that point. Because this requires
108 distinguishing requests, user-defined macros and standard macros
109 on the roff_res() level, it is hard to solve without the parser reorg.
110 Found by naddy@ in devel/cutils cobfusc(1) Mon, 16 Feb 2015 19:10:52 +0100
111 loc *** exist *** algo *** size ** imp *
113 - using undefined strings or macros defines them to be empty
114 wl@ Mon, 14 Nov 2011 14:37:01 +0000
115 loc * exist * algo * size * imp *
117 --- missing mdoc features ----------------------------------------------
119 - .Bl -column .Xo support is missing
121 restore .Xr and .Dv to
122 lib/libc/compat-43/sigvec.3
123 lib/libc/gen/signal.3
124 lib/libc/sys/sigaction.2
125 loc * exist *** algo *** size * imp **
127 - edge case: decide how to deal with blk_full bad nesting, e.g.
128 .Sh .Nm .Bk .Nm .Ek .Sh found by jmc@ in ssh-keygen(1)
129 from jmc@ Wed, 14 Jul 2010 18:10:32 +0100
130 loc * exist *** algo *** size ** imp **
132 - .Bd -centered implies -filled, not -unfilled, which is not
133 easy to implement; it requires code similar to .ce, which
134 we don't have either.
135 Besides, groff has bug causing text right *before* .Bd -centered
136 to be centered as well.
137 loc *** exist *** algo ** size ** imp ** (parser reorg would help)
139 - .Bd -filled should not be the same as .Bd -ragged, but align both
140 the left and right margin. In groff, it is implemented in terms
141 of .ad b, which we don't have either. Found in cksum(1).
142 loc *** exist *** algo ** size ** imp ** (parser reorg would help)
144 - implement blank `Bl -column', such as
148 loc * exist *** algo *** size * imp *
150 - explicitly disallow nested `Bl -column', which would clobber internal
151 flags defined for struct mdoc_macro
152 loc * exist * algo * size * imp **
154 - In .Bl -column .It, the end of the line probably has to be regarded
155 as an implicit .Ta, if there could be one, see the following mildly
156 ugly code from login.conf(5):
157 .Bl -column minpasswordlen program xetcxmotd
158 .It path Ta path Ta value of Dv _PATH_DEFPATH
161 reported by Michal Mazurek <akfaew at jasminek dot net>
162 via jmc@ Thu, 7 Apr 2011 16:00:53 +0059
163 loc * exist *** algo ** size * imp **
165 - inside `.Bl -column' phrases, punctuation is handled like normal
166 text, e.g. `.Bl -column .It Fl x . Ta ...' should give "-x -."
168 - inside `.Bl -column' phrases, TERMP_IGNDELIM handling by `Pf'
169 is not safe, e.g. `.Bl -column .It Pf a b .' gives "ab."
170 but should give "ab ."
172 - check whether it is correct that `D1' uses INDENT+1;
173 does it need its own constant?
174 loc * exist ** algo ** size * imp **
176 - prohibit `Nm' from having non-text HEAD children
177 (e.g., NetBSD mDNSShared/dns-sd.1)
178 (mdoc_html.c and mdoc_term.c `Nm' handlers can be slightly simplified)
180 - support translated section names
181 e.g. x11/scrotwm scrotwm_es.1:21:2: error: NAME section must be first
182 that one uses NOMBRE because it is spanish...
183 deraadt tends to think that section-dependent macro behaviour
184 is a bad idea in the first place, so this may be irrelevant
185 loc ** exist ** algo ** size * imp **
187 - When there is free text in the SYNOPSIS and that free text contains
188 the .Nm macro, groff somehow understands to treat the .Nm as an in-line
189 macro, while mandoc treats it as a block macro and breaks the line.
190 No idea how the logic for distinguishing in-line and block instances
191 should be, needs investigation.
192 uqs@ Thu, 2 Jun 2011 11:03:51 +0200
193 uqs@ Thu, 2 Jun 2011 11:33:35 +0200
194 loc * exist ** algo *** size * imp **
196 --- missing man features -----------------------------------------------
198 - -T[x]html doesn't stipulate non-collapsing spaces in literal mode
200 --- missing tbl features -----------------------------------------------
202 - horizontal lines in the layout still consume data cells
203 and can be mixed with actual data on the same table line
204 synaptics(4) found by tedu@ Mon, 17 Aug 2015 21:17:42 -0400
205 loc ** exist ** algo ** size ** imp ***
207 - break long text into lines inside cells
208 net/lftp(1) from jirib via bentley@ Sep 13, 2016
210 - layout l1 for a column of max text width 3 reduces the following
211 inter-column spacing for groff, but not for mandoc
212 net/lftp(1) from jirib via bentley@ Sep 13, 2016
214 - the "w" layout option is ignored
215 synaptics(4) found by tedu@ Mon, 17 Aug 2015 21:17:42 -0400
216 loc * exist * algo * size * imp **
218 - the "s" layout column specifier is used for placement of data
219 into columns, but ignored during column width calculations
220 synaptics(4) found by tedu@ Mon, 17 Aug 2015 21:17:42 -0400
221 loc * exist ** algo *** size * imp **
223 - support mdoc(7) and man(7) macros inside tbl(7) code;
224 probably requires the parser reorg and letting tbl(7)
225 use roff_node such that macro sets can mix;
226 informed by bapt@ that FreeBSD needs this.
227 loc *** exist ** algo *** size ** imp ***
229 - look at the POSIX manuals in the books/man-pages-posix port,
230 they use some unsupported tbl(7) features.
231 loc * exist ** algo ** size ** imp ***
233 - use Unicode U+2500 to U+256C for table borders
234 in tbl(7) -Tutf-8 output
235 suggested by bentley@ Tue, 14 Oct 2014 04:10:55 -0600
236 loc * exist ** algo * size * imp **
238 --- missing eqn features -----------------------------------------------
240 - In a matrix, break the output line after each matrix line.
241 Found in the discussion at CDBUG 2015.
242 Suggested by Avi Weinstock.
243 loc * exist * algo * size * imp **
245 - The "size" keyword is parsed, but ignored by the formatter.
246 loc * exist * algo * size * imp *
248 - The spacing characters `~', `^', and tab are currently ignored,
249 see User's Guide (Second Edition) page 2 section 4.
250 loc * exist * algo ** size * imp **
252 - Mark and lineup are parsed and ignored,
253 see User's Guide (Second Edition) page 5 section 15.
254 loc ** exist ** algo ** size ** imp **
256 --- missing misc features ----------------------------------------------
258 - italic correction (\/) in PostScript mode
259 Werner LEMBERG on groff at gnu dot org Sun, 10 Nov 2013 12:47:46
260 loc ** exist ** algo * size * imp *
262 - change the default PAGER to more -Es and use the pager
263 even for apropos title line output; req by bapt@
264 loc * exist * algo * size * imp ***
266 - makewhatis(8) for preformatted pages:
267 parse the section number from the header line
268 and compare to the section number from the directory name
269 loc * exist * algo * size * imp **
271 - Does makewhatis(8) detect missing NAME sections, missing names,
272 and missing descriptions in all the file formats?
273 loc * exist * algo * size * imp ***
275 - clean up escape sequence handling, creating three classes:
276 (1) fully implemented, or parsed and ignored without loss of content
277 (2) unimplemented, potentially causing loss of content
278 or serious mangling of formatting (e.g. \n) -> ERROR
279 see textproc/mgdiff(1) for nice examples
280 (3) undefined, just output the character -> perhaps WARNING
281 loc *** exist ** algo ** size ** imp *** (parser reorg helps)
283 - kettenis wants base roff, ms, and me Fri, 1 Jan 2010 22:13:15 +0100 (CET)
284 loc ** exist ** algo ** size *** imp *
286 - Vsevolod Stakhov (FreeBSD) needs either a markdown output formatter
287 for mandoc -mdoc or a markdown to mdoc converter because they
288 have to maintain manuals needed both in markdown and mdoc format.
289 Look at the libsoldout (markdown -> whatever)
290 loc * exist * algo * size ** imp **
292 --- compatibility checks -----------------------------------------------
294 - is .Bk implemented correctly in modern groff?
295 sobrado@ Tue, 19 Apr 2011 22:12:55 +0200
297 - compare output to Heirloom roff, Solaris roff, and
298 http://repo.or.cz/w/neatroff.git http://litcave.rudi.ir/
300 - look at AT&T DWB http://www2.research.att.com/sw/download
301 Carsten Kunze <carsten dot kunze at arcor dot de> has patches
302 Mon, 4 Aug 2014 17:01:28 +0200
304 - look at pages generated from reStructeredText, e.g. devel/mercurial hg(1)
305 These are a weird mixture of man(7) and custom autogenerated low-level
306 roff stuff. Figure out to what extent we can cope.
307 For details, see http://docutils.sourceforge.net/rst.html
308 noted by stsp@ Sat, 24 Apr 2010 09:17:55 +0200
309 reminded by nicm@ Mon, 3 May 2010 09:52:41 +0100
311 - look at pages generated from ronn(1) github.com/rtomayko/ronn
314 - look at pages generated from Texinfo source by yat2m, e.g. security/gnupg
315 First impression is not that bad.
317 - look at pages generated by pandoc; see
318 https://github.com/jgm/pandoc/blob/master/src/Text/Pandoc/Writers/Man.hs
319 porting planned by kili@ Thu, 19 Jun 2014 19:46:28 +0200
321 - check compatibility with Plan9:
322 http://swtch.com/usr/local/plan9/tmac/tmac.an
323 http://swtch.com/plan9port/man/man7/man.html
324 "Anthony J. Bentley" <anthonyjbentley@gmail.com> 28 Dec 2010 21:58:40 -0700
326 - check compatibility with COHERENT troff:
327 http://www.nesssoftware.com/home/mwc/source.php
329 - check compatibility with the man(7) formatter
330 https://raw.githubusercontent.com/rofl0r/hardcore-utils/master/man.c
332 - check compatibility with
333 http://ikiwiki.info/plugins/contrib/mandoc/
334 https://github.com/schmonz/ikiwiki/compare/mandoc
335 Amitai Schlair Mon, 19 May 2014 14:05:53 -0400
337 ************************************************************************
338 * formatting issues: ugly output
339 ************************************************************************
341 - revisit empty in-line macros
342 look at the difference between "Em x Em ." and "Sq x Em ."
343 Carsten Kunze Fri, 12 Dec 2014 00:15:41 +0100
344 loc *** exist *** algo *** size * imp **
346 - a column list with blank `Ta' cells triggers a spurious
347 start-with-whitespace printing of a newline
349 - In .Bl -column, .It a<tab>"b<tab>c"
350 shows the quotes in groff, but not in mandoc
351 loc * exist *** algo ** size * imp **
354 .It Em Authentication<tab>Key Length
355 ought to render "Key Length" with emphasis, too,
356 see OpenBSD iked.conf(5).
357 reported again Nicolas Joly via wiz@ Wed, 12 Oct 2011 00:20:00 +0200
358 loc * exist *** algo *** size ** imp ***
360 - empty phrases in .Bl column produce too few blanks
361 try e.g. .Bl -column It Ta Ta
362 reported by millert Fri, 02 Apr 2010 16:13:46 -0400
363 loc * exist *** algo *** size * imp **
365 - .%T can have trailing punctuation. Currently, it puts the trailing
366 punctuation into a trailing MDOC_TEXT element inside its own scope.
367 That element should rather be outside its scope, such that the
368 punctuation does not get underlines. This is not trivial to
369 implement because .%T then needs some features of in_line_eoln() -
370 slurp all arguments into one single text element - and one feature
371 of in_line() - put trailing punctuation out of scope.
372 Found in mount_nfs(8) and exports(5), search for "Appendix".
373 loc ** exist ** algo *** size * imp **
375 - Trailing punctuation after .%T triggers EOS spacing, at least
376 outside .Rs (eek!). Simply setting ARGSFL_DELIM for .%T is not
377 the right solution, it sends mandoc into an endless loop.
378 reported by Nicolas Joly Sat, 17 Nov 2012 11:49:54 +0100
379 loc * exist ** algo ** size * imp **
381 - global variables in the SYNOPSIS of section 3 pages
382 .Vt vs .Vt/.Va vs .Ft/.Va vs .Ft/.Fa ...
383 from kristaps@ Tue, 08 Jun 2010 11:13:32 +0200
385 - in enclosures, mandoc sometimes fancies a bogus end of sentence
386 reminded by jmc@ Thu, 23 Sep 2010 18:13:39 +0059
387 loc * exist ** algo *** size * imp ***
389 - a line starting with "\fB something" counts as starting with whitespace
390 and triggers a line break; found in audio/normalize-mp3(1)
391 loc ** exist * algo ** size * imp **
393 - formatting /usr/local/man/man1/latex2man.1 with groff and mandoc
394 reveals lots of bugs both in groff and mandoc...
395 reported by bentley@ Wed, 22 May 2013 23:49:30 -0600
397 --- PDF issues ---------------------------------------------------------
399 - PDF output doesn't use a monospaced font for .Bd -literal
400 Example: "mandoc -Tpdf afterboot.8 > output.pdf && pdfviewer output.pdf".
401 Search the text "Routing tables".
402 Also check what PostScript mode does when fixing this.
403 reported by juanfra@ Wed, 04 Jun 2014 21:44:58 +0200
404 instructions from juanfra@ Wed, 11 Jun 2014 02:21:01 +0200
405 add a new <</Type /Font>> block to the PDF files with /BaseFont /Courier
406 and change the /Name from /F0 to the new font (/F5 (?)).
407 loc * exist ** algo ** size * imp **
409 --- HTML issues --------------------------------------------------------
411 - <dl><dt><dd> formatting is ugly
412 hints are easy to find on the web, e.g.
413 http://stackoverflow.com/questions/1713048/
414 see also matthew@ Fri, 18 Jul 2014 19:25:12 -0700
415 loc * exist * algo ** size * imp ***
417 - In -man -Thtml, .nf does not preserve indentation.
418 It should either convert blanks to
419 or use <pre> rather than <div> (like .Bd -literal does).
420 Reported by afresh1@ 12 Apr 2016 14:35:45 -0700
422 - .Bf at the beginning of a paragraph inserts a bogus 1ex horizontal
423 space, see for example random(3). Introduced in
424 http://mdocml.bsd.lv/cgi-bin/cvsweb/mdoc_html.c.diff?r1=1.91&r2=1.92
425 reported by deraadt@ Mon, 28 Sep 2015 20:14:13 -0600 (MDT)
426 loc ** exist ** algo ** size * imp *
428 - jsg on icb, Nov 3, 2014:
429 try to guess Xr in man(7) for hyperlinking
431 - The tables used to render the three-part page headers actually force
432 the width of the <body> to the max-width given for <html>.
433 Not yet sure how to fix that...
434 Observed by an Anonymous Coward on undeadly.org:
435 http://undeadly.org/cgi?action=article&sid=20140925064244&pid=1
436 loc * exist * algo ** size * imp ***
438 - consider whether <var> can be used for Ar Dv Er Ev Fa Va.
439 from bentley@ Wed, 13 Aug 2014 09:17:55 -0600
441 - generate <img> tags in HTML
442 idea from florian@ Tue, 7 Apr 2015 00:26:28 +0000
443 may be possible to implement with .Lk img://something.png alt_text
445 - check https://github.com/trentm/mdocml
447 ************************************************************************
448 * formatting issues: gratuitous differences
449 ************************************************************************
451 - .Fn reopens a new scope after punctuation in mandoc,
452 but closes its scope for good in groff.
453 Do we want to change mandoc or groff?
454 Steffen Nurpmeso Sat, 08 Nov 2014 13:34:59 +0100
455 loc * exist ** algo ** size * imp **
457 - In .Bl -enum -width 0n, groff continues one the same line after
458 the number, mandoc breaks the line.
459 mail to kristaps@ Mon, 20 Jul 2009 02:21:39 +0200
460 loc * exist ** algo ** size * imp **
462 - .Pp between two .It in .Bl -column should produce one,
463 not two blank lines, see e.g. login.conf(5).
464 reported by jmc@ Sun, 17 Apr 2011 14:04:58 +0059
465 reported again by sthen@ Wed, 18 Jan 2012 02:09:39 +0000 (UTC)
466 loc * exist *** algo ** size * imp **
468 - If the *first* line after .It is .Pp, break the line right after
469 the tag, do not pad with space characters before breaking.
470 See the description of the a, c, and i commands in sed(1).
471 loc * exist ** algo ** size * imp **
473 - If the first line after .It is .D1, do not assert a blank line
474 in between, see for example tmux(1).
475 reported by nicm@ 13 Jan 2011 00:18:57 +0000
476 loc * exist ** algo ** size * imp **
478 - Trailing punctuation after .It should trigger EOS spacing.
479 reported by Nicolas Joly Sat, 17 Nov 2012 11:49:54 +0100
480 Probably, this should be fixed somewhere in termp_it_pre(), not sure.
481 loc * exist ** algo ** size * imp **
484 should be "NetBSD 1.0A", not "NetBSD 1.0a",
485 see OpenBSD ccdconfig(8).
486 loc * exist * algo * size * imp **
488 - In .Bl -tag, if a tag exceeds the right margin and must be continued
489 on the next line, it must be indented by -width, not width+1;
490 see "rule block|pass" in OpenBSD ifconfig(8).
491 loc * exist *** algo ** size * imp **
493 - When the -width string contains macros, the macros must be rendered
494 before measuring the width, for example
495 .Bl -tag -width ".Dv message"
496 in magic(5), located in src/usr.bin/file, is the same
497 as -width 7n, not -width 11n.
498 The same applies to .Bl -column column widths;
499 reported again by Nicolas Joly Thu, 1 Mar 2012 13:41:26 +0100 via wiz@ 5 Mar
500 reported again by Franco Fichtner Fri, 27 Sep 2013 21:02:28 +0200
501 loc *** exist *** algo *** size ** imp ***
502 An easy partial fix would be to just skip the first word if it starts
503 with a dot, including any following white space, when measuring.
504 loc * exist * algo * size * imp ***
506 - The \& zero-width character counts as output.
507 That is, when it is alone on a line between two .Pp,
508 we want three blank lines, not two as in mandoc.
509 loc ** exist ** algo ** size * imp **
511 - Header lines of excessive length:
512 Port OpenBSD man_term.c rev. 1.25 to mdoc_term.c
513 and document it in mdoc(7) and man(7) COMPATIBILITY
514 found while talking to Chris Bennett
515 loc * exist * algo * size * imp *
517 - Sequences of multiple man(7) paragraphs (.PP, .IP) interspersed
518 with .ps and .nf/.fi produce execessive blank lines, see libJudy
519 and graphics/dcmtk. The parser reorg may help with this.
521 - trailing whitespace must be ignored even when followed by a font escape,
525 operate in batch mode
527 loc ** exist ** algo ** size * imp **
529 ************************************************************************
531 ************************************************************************
533 - provide a way in mandoc(1) to warn about broken .Xr links;
534 probably cannot be on by default in -Tlint because it needs
535 to access the manpath and mandoc.db(3) after parsing.
536 asked for by jmc@ Fri, 4 Dec 2015 22:39:40 +0000
538 - Report errors in -O suboption parsing.
539 loc * exist * algo * size * imp **
541 - warn when .Sh or .Ss contain other macros
542 Steffen Nurpmeso, savannah.gnu.org/bugs/index.php?45034
543 loc * exist * algo * size * imp **
545 - check that MANDOCERR_BADTAB is thrown in the right cases,
546 i.e. when finding a literal tab character in fill mode,
547 and possibly change the wording of the warning message
548 to refer to fill mode, not literal mode
549 See the mail from Werner LEMBERG on the groff list,
550 Fri, 14 Feb 2014 18:54:42 +0100 (CET)
551 loc * exist ** algo ** size * imp **
553 - warn about attempts to call non-callable macros
554 Steffen Nurpmeso Tue, 11 Nov 2014 22:55:16 +0100
555 Note that formatting is inconsistent in groff.
556 .Fn Po prints "Po()", .Ar Sh prints "file ..." and no "Sh".
557 Relatively hard because the relevant code is scattered
558 all over mdoc_macro.c and all subtly different.
559 loc ** exist ** algo ** size ** imp **
561 - warn about "new sentence, new line"
562 loc ** exist ** algo *** size * imp **
564 - mandoc_special does not really check the escape sequence,
565 but just the overall format
566 loc ** exist ** algo *** size ** imp **
568 - integrate mdoclint into mandoc ("end-of-line whitespace" thread)
569 from jmc@ Mon, 13 Jul 2009 17:12:09 +0100
570 from kristaps@ Mon, 13 Jul 2009 18:34:53 +0200
571 from jmc@ Mon, 13 Jul 2009 17:45:37 +0059
572 from kristaps@ Mon, 13 Jul 2009 19:02:03 +0200
573 (mostly done, check what remains)
575 - -Tlint parser errors and warnings to stdout
576 to tech@mdocml, naddy@ Wed, 28 Sep 2011 11:21:46 +0200
577 wait! kristaps@ Sun, 02 Oct 2011 17:12:52 +0200
579 ************************************************************************
580 * documentation issues
581 ************************************************************************
583 - mention hyphenation rules:
584 breaking at letter-letter in text mode (not macro args)
585 proper hyphenation is unimplemented
587 - talk about spacing around delimiters
588 to jmc@, kristaps@ Sat, 23 Apr 2011 17:41:27 +0200
590 - mark macros as: page structure domain, manual domain, general text domain
593 - mention /usr/share/misc/mdoc.template in mdoc(7)?
595 - Is all the content from http://www.std.com/obi/BSD/doc/usd/28.tbl/tbl
598 ************************************************************************
600 ************************************************************************
602 - Why are we using MAP_SHARED, not MAP_PRIVATE for mmap(2)?
603 from kristaps@ Sat, 09 Aug 2014 13:51:36 +0200
605 Several areas can be cleaned up to make mandoc even faster. These are
607 - improve hashing mechanism for macros (quite important: performance)
609 - improve hashing mechanism for characters (not as important)
611 - the PDF file is HUGE: this can be reduced by using relative offsets
613 - instead of re-initialising the roff predefined-strings set before each
614 parse, create a read-only version the first time and copy it
615 loc * exist ** algo ** size * imp **
617 ************************************************************************
619 ************************************************************************
621 - POSIX says in the documentation of sysconf(3) that PATH_MAX
622 is allowed to be so large that it is a bad idea to use it
623 for sizing static buffers. So use dynamic buffers throughout.
624 See the file test-PATH_MAX.c for details.
625 Found by Aaron M. Ucko in the GNU Hurd via Bdale Garbee,
626 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=829624
628 - We use the input line number at several places to distinguish
629 same-line from different-line input. That plainly doesn't work
630 with user-defined macros, leading to random breakage.
632 - Find better ways to prevent endless loops
633 in roff(7) macro and string expansion.
635 - Finish cleanup of date handling.
636 Decide which formats should be recognized where.
637 Update both mdoc(7) and man(7) documentation.
638 Triggered by Tim van der Molen Tue, 22 Feb 2011 20:30:45 +0100
640 - struct mparse refactoring
641 Steffen Nurpmeso Thu, 04 Sep 2014 12:50:00 +0200
643 ************************************************************************
645 ************************************************************************
647 - Enable HTTP compression by detecting gzip encoding and filtering
649 - Sandbox (see OpenSSH).
650 - Enable caching support via HTTP 304 and If-Modified-Since.
651 - Allow for cgi.h to be overridden by CGI environment variables.
652 Otherwise, binary distributions will inherit the compile-time
653 behaviour, which is not optimal.
654 - Have Mac OSX systems automatically disable -static compilation of the
655 CGI: -static isn't supported.
657 ************************************************************************
658 * to improve in the groff_mdoc(7) macros
659 ************************************************************************
661 - use uname(1) to set doc-default-operating-system at install time
662 tobimensch Mon, 1 Dec 2014 00:25:07 +0100