Annotation of mandoc/TODO, Revision 1.222
1.1 kristaps 1: ************************************************************************
1.37 kristaps 2: * Official mandoc TODO.
1.222 ! schwarze 3: * $Id: TODO,v 1.221 2016/08/02 11:09:46 schwarze Exp $
1.27 kristaps 4: ************************************************************************
1.145 schwarze 5:
1.184 schwarze 6: Many issues are annotated for difficulty as follows:
7:
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
31:
32: Obviously, as the issues have not been solved yet, these annotations
33: are mere guesses, and some may be wrong.
34:
1.145 schwarze 35: ************************************************************************
36: * crashes
37: ************************************************************************
38:
1.169 schwarze 39: - The abort() in bufcat(), html.c, can be triggered via buffmt_includes()
40: by running -Thtml -Oincludes on a file containing a long .In argument.
41: Fixing this will probably require reworking the whole bufcat() concept.
1.184 schwarze 42: loc ** exist * algo * size ** imp **
1.101 schwarze 43:
1.61 schwarze 44: ************************************************************************
1.1 kristaps 45: * missing features
46: ************************************************************************
1.70 kristaps 47:
1.79 schwarze 48: --- missing roff features ----------------------------------------------
49:
1.82 schwarze 50: - .ad (adjust margins)
51: .ad l -- adjust left margin only (flush left)
52: .ad r -- adjust right margin only (flush right)
53: .ad c -- center text on line
54: .ad b -- adjust both margins (alias: .ad n)
55: .na -- temporarily disable adjustment without changing the mode
56: .ad -- re-enable adjustment without changing the mode
57: Adjustment mode is ignored while in no-fill mode (.nf).
1.184 schwarze 58: loc *** exist *** algo ** size ** imp ** (parser reorg would help)
1.150 schwarze 59:
60: - .fc (field control)
61: found by naddy@ in xloadimage(1)
1.184 schwarze 62: loc ** exist *** algo * size * imp *
1.198 schwarze 63:
1.160 schwarze 64: - .nr third argument (auto-increment step size, requires \n+)
65: found by bentley@ in sbcl(1) Mon, 9 Dec 2013 18:36:57 -0700
1.184 schwarze 66: loc * exist * algo * size * imp **
1.160 schwarze 67:
1.80 schwarze 68: - .ns (no-space mode) occurs in xine-config(1)
1.205 schwarze 69: when implementing this, also let .TH set it
1.80 schwarze 70: reported by brad@ Sat, 15 Jan 2011 15:45:23 -0500
1.184 schwarze 71: loc *** exist *** algo *** size ** imp *
1.61 schwarze 72:
1.200 schwarze 73: - .ta (tab settings)
74: #1 most important issue naddy@ Mon, 16 Feb 2015 20:59:17 +0100
75: ircbug(1) gnats(1) reported by brad@ Sat, 15 Jan 2011 15:50:51 -0500
1.167 schwarze 76: also Tcl_NewStringObj(3) via wiz@ Wed, 5 Mar 2014 22:27:43 +0100
1.191 schwarze 77: also posix2time(3) Carsten Kunze Mon, 1 Dec 2014 13:03:10 +0100
78: loc ** exist *** algo ** size ** imp ***
1.150 schwarze 79:
80: - .ti (temporary indent)
1.197 schwarze 81: found by naddy@ in xloadimage(1) [devel/libvstr] vstr(3)
1.150 schwarze 82: found by bentley@ in nmh(1) Mon, 23 Apr 2012 13:38:28 -0600
1.184 schwarze 83: loc ** exist ** algo ** size * imp ** (parser reorg helps a lot)
1.154 schwarze 84:
1.198 schwarze 85: - .while and .shift
1.154 schwarze 86: found by jca@ in ratpoison(1) Sun, 30 Jun 2013 12:01:09 +0200
1.184 schwarze 87: loc * exist ** algo ** size ** imp **
1.155 schwarze 88:
89: - \h horizontal move
1.200 schwarze 90: #2 most important issue naddy@ Mon, 16 Feb 2015 20:59:17 +0100
91: found in cclive(1) nasm(1) bogofilter(1) asciidoc/DocBook output
1.194 schwarze 92: bentley@ on discuss@ Sat, 21 Sep 2013 22:29:34 -0600
93: naddy@ Thu, 4 Dec 2014 16:26:41 +0100
1.200 schwarze 94: loc ** exist ** algo ** size * imp *** (parser reorg helps a lot)
1.125 schwarze 95:
1.160 schwarze 96: - \n+ and \n- numerical register increment and decrement
97: found by bentley@ in sbcl(1) Mon, 9 Dec 2013 18:36:57 -0700
1.184 schwarze 98: loc * exist * algo * size * imp **
1.201 schwarze 99:
100: - \n(.$ macro argument count number register; ocserv(8) by autogen
101: found by sthen@ Thu, 19 Feb 2015 22:03:01 +0000
102: loc * exist ** algo * size * imp **
1.160 schwarze 103:
1.184 schwarze 104: - \w'' improve width measurements
1.167 schwarze 105: would not be very useful without an expression parser, see below
106: needed for Tcl_NewStringObj(3) via wiz@ Wed, 5 Mar 2014 22:27:43 +0100
1.184 schwarze 107: loc ** exist *** algo *** size * imp ***
1.203 schwarze 108:
109: - \\ in high-level macro arguments
110: Currently, \\ is expanded in two situations:
111: 1) macro and string definition (roff.c setstrn())
112: 2) macro argument parsing (mandoc.c mandoc_getarg())
113: For user defined macros, the second happens in time because of ROFF_REPARSE.
114: But for standard high-level macros, it only happens after entering the
115: high level parsers, which is too late because the code doesn't get
116: back to roff.c roff_res() from that point. Because this requires
117: distinguishing requests, user-defined macros and standard macros
118: on the roff_res() level, it is hard to solve without the parser reorg.
119: Found by naddy@ in devel/cutils cobfusc(1) Mon, 16 Feb 2015 19:10:52 +0100
120: loc *** exist *** algo *** size ** imp *
1.167 schwarze 121:
1.125 schwarze 122: - using undefined strings or macros defines them to be empty
123: wl@ Mon, 14 Nov 2011 14:37:01 +0000
1.184 schwarze 124: loc * exist * algo * size * imp *
1.167 schwarze 125:
1.79 schwarze 126: --- missing mdoc features ----------------------------------------------
1.18 schwarze 127:
1.1 kristaps 128: - .Bl -column .Xo support is missing
129: ultimate goal:
130: restore .Xr and .Dv to
131: lib/libc/compat-43/sigvec.3
132: lib/libc/gen/signal.3
133: lib/libc/sys/sigaction.2
1.184 schwarze 134: loc * exist *** algo *** size * imp **
1.1 kristaps 135:
1.28 schwarze 136: - edge case: decide how to deal with blk_full bad nesting, e.g.
137: .Sh .Nm .Bk .Nm .Ek .Sh found by jmc@ in ssh-keygen(1)
138: from jmc@ Wed, 14 Jul 2010 18:10:32 +0100
1.184 schwarze 139: loc * exist *** algo *** size ** imp **
1.28 schwarze 140:
1.174 schwarze 141: - .Bd -centered implies -filled, not -unfilled, which is not
142: easy to implement; it requires code similar to .ce, which
143: we don't have either.
144: Besides, groff has bug causing text right *before* .Bd -centered
145: to be centered as well.
1.184 schwarze 146: loc *** exist *** algo ** size ** imp ** (parser reorg would help)
1.174 schwarze 147:
1.82 schwarze 148: - .Bd -filled should not be the same as .Bd -ragged, but align both
149: the left and right margin. In groff, it is implemented in terms
150: of .ad b, which we don't have either. Found in cksum(1).
1.184 schwarze 151: loc *** exist *** algo ** size ** imp ** (parser reorg would help)
1.22 schwarze 152:
1.10 kristaps 153: - implement blank `Bl -column', such as
154: .Bl -column
155: .It foo Ta bar
156: .El
1.184 schwarze 157: loc * exist *** algo *** size * imp *
1.11 kristaps 158:
159: - explicitly disallow nested `Bl -column', which would clobber internal
160: flags defined for struct mdoc_macro
1.184 schwarze 161: loc * exist * algo * size * imp **
1.102 schwarze 162:
163: - In .Bl -column .It, the end of the line probably has to be regarded
164: as an implicit .Ta, if there could be one, see the following mildly
165: ugly code from login.conf(5):
166: .Bl -column minpasswordlen program xetcxmotd
167: .It path Ta path Ta value of Dv _PATH_DEFPATH
168: .br
169: Default search path.
170: reported by Michal Mazurek <akfaew at jasminek dot net>
171: via jmc@ Thu, 7 Apr 2011 16:00:53 +0059
1.184 schwarze 172: loc * exist *** algo ** size * imp **
1.42 schwarze 173:
174: - inside `.Bl -column' phrases, punctuation is handled like normal
175: text, e.g. `.Bl -column .It Fl x . Ta ...' should give "-x -."
176:
177: - inside `.Bl -column' phrases, TERMP_IGNDELIM handling by `Pf'
178: is not safe, e.g. `.Bl -column .It Pf a b .' gives "ab."
179: but should give "ab ."
1.12 kristaps 180:
1.174 schwarze 181: - check whether it is correct that `D1' uses INDENT+1;
182: does it need its own constant?
1.184 schwarze 183: loc * exist ** algo ** size * imp **
1.174 schwarze 184:
1.20 kristaps 185: - prohibit `Nm' from having non-text HEAD children
186: (e.g., NetBSD mDNSShared/dns-sd.1)
187: (mdoc_html.c and mdoc_term.c `Nm' handlers can be slightly simplified)
1.109 schwarze 188:
1.174 schwarze 189: - support translated section names
190: e.g. x11/scrotwm scrotwm_es.1:21:2: error: NAME section must be first
191: that one uses NOMBRE because it is spanish...
192: deraadt tends to think that section-dependent macro behaviour
193: is a bad idea in the first place, so this may be irrelevant
1.184 schwarze 194: loc ** exist ** algo ** size * imp **
1.174 schwarze 195:
1.109 schwarze 196: - When there is free text in the SYNOPSIS and that free text contains
197: the .Nm macro, groff somehow understands to treat the .Nm as an in-line
198: macro, while mandoc treats it as a block macro and breaks the line.
199: No idea how the logic for distinguishing in-line and block instances
200: should be, needs investigation.
201: uqs@ Thu, 2 Jun 2011 11:03:51 +0200
202: uqs@ Thu, 2 Jun 2011 11:33:35 +0200
1.184 schwarze 203: loc * exist ** algo *** size * imp **
1.57 kristaps 204:
1.79 schwarze 205: --- missing man features -----------------------------------------------
206:
1.119 kristaps 207: - -T[x]html doesn't stipulate non-collapsing spaces in literal mode
1.80 schwarze 208:
1.79 schwarze 209: --- missing tbl features -----------------------------------------------
1.213 schwarze 210:
211: - horizontal lines in the layout still consume data cells
212: and can be mixed with actual data on the same table line
213: synaptics(4) found by tedu@ Mon, 17 Aug 2015 21:17:42 -0400
214: loc ** exist ** algo ** size ** imp ***
1.222 ! schwarze 215:
! 216: - break long text into lines inside cells
! 217: net/lftp(1) from jirib via bentley@ Sep 13, 2016
! 218:
! 219: - layout l1 for a column of max text width 3 reduces the following
! 220: inter-column spacing for groff, but not for mandoc
! 221: net/lftp(1) from jirib via bentley@ Sep 13, 2016
1.213 schwarze 222:
223: - the "w" layout option is ignored
224: synaptics(4) found by tedu@ Mon, 17 Aug 2015 21:17:42 -0400
225: loc * exist * algo * size * imp **
226:
227: - the "s" layout column specifier is used for placement of data
228: into columns, but ignored during column width calculations
229: synaptics(4) found by tedu@ Mon, 17 Aug 2015 21:17:42 -0400
230: loc * exist ** algo *** size * imp **
1.79 schwarze 231:
1.208 schwarze 232: - support mdoc(7) and man(7) macros inside tbl(7) code;
233: probably requires the parser reorg and letting tbl(7)
234: use roff_node such that macro sets can mix;
235: informed by bapt@ that FreeBSD needs this.
236: loc *** exist ** algo *** size ** imp ***
237:
1.171 schwarze 238: - look at the POSIX manuals in the books/man-pages-posix port,
239: they use some unsupported tbl(7) features.
1.184 schwarze 240: loc * exist ** algo ** size ** imp ***
1.171 schwarze 241:
1.183 schwarze 242: - use Unicode U+2500 to U+256C for table borders
243: in tbl(7) -Tutf-8 output
244: suggested by bentley@ Tue, 14 Oct 2014 04:10:55 -0600
1.184 schwarze 245: loc * exist ** algo * size * imp **
1.105 kristaps 246:
1.182 schwarze 247: --- missing eqn features -----------------------------------------------
1.209 schwarze 248:
249: - In a matrix, break the output line after each matrix line.
250: Found in the discussion at CDBUG 2015.
251: Suggested by Avi Weinstock.
252: loc * exist * algo * size * imp **
1.182 schwarze 253:
254: - The "size" keyword is parsed, but ignored by the formatter.
1.184 schwarze 255: loc * exist * algo * size * imp *
1.182 schwarze 256:
257: - The spacing characters `~', `^', and tab are currently ignored,
258: see User's Guide (Second Edition) page 2 section 4.
1.184 schwarze 259: loc * exist * algo ** size * imp **
1.182 schwarze 260:
261: - Mark and lineup are parsed and ignored,
262: see User's Guide (Second Edition) page 5 section 15.
1.184 schwarze 263: loc ** exist ** algo ** size ** imp **
1.182 schwarze 264:
1.79 schwarze 265: --- missing misc features ----------------------------------------------
1.159 schwarze 266:
267: - italic correction (\/) in PostScript mode
268: Werner LEMBERG on groff at gnu dot org Sun, 10 Nov 2013 12:47:46
1.184 schwarze 269: loc ** exist ** algo * size * imp *
1.153 schwarze 270:
1.210 schwarze 271: - change the default PAGER to more -Es and use the pager
272: even for apropos title line output; req by bapt@
273: loc * exist * algo * size * imp ***
1.173 schwarze 274:
1.171 schwarze 275: - makewhatis(8) for preformatted pages:
276: parse the section number from the header line
277: and compare to the section number from the directory name
1.184 schwarze 278: loc * exist * algo * size * imp **
1.171 schwarze 279:
280: - Does makewhatis(8) detect missing NAME sections, missing names,
281: and missing descriptions in all the file formats?
1.184 schwarze 282: loc * exist * algo * size * imp ***
1.171 schwarze 283:
1.79 schwarze 284: - clean up escape sequence handling, creating three classes:
285: (1) fully implemented, or parsed and ignored without loss of content
286: (2) unimplemented, potentially causing loss of content
287: or serious mangling of formatting (e.g. \n) -> ERROR
288: see textproc/mgdiff(1) for nice examples
289: (3) undefined, just output the character -> perhaps WARNING
1.184 schwarze 290: loc *** exist ** algo ** size ** imp *** (parser reorg helps)
1.83 schwarze 291:
1.174 schwarze 292: - kettenis wants base roff, ms, and me Fri, 1 Jan 2010 22:13:15 +0100 (CET)
1.184 schwarze 293: loc ** exist ** algo ** size *** imp *
1.208 schwarze 294:
1.210 schwarze 295: - Vsevolod Stakhov (FreeBSD) needs either a markdown output formatter
1.208 schwarze 296: for mandoc -mdoc or a markdown to mdoc converter because they
297: have to maintain manuals needed both in markdown and mdoc format.
1.210 schwarze 298: Look at the libsoldout (markdown -> whatever)
299: loc * exist * algo * size ** imp **
1.174 schwarze 300:
301: --- compatibility checks -----------------------------------------------
1.196 schwarze 302:
1.174 schwarze 303: - is .Bk implemented correctly in modern groff?
304: sobrado@ Tue, 19 Apr 2011 22:12:55 +0200
305:
1.175 schwarze 306: - compare output to Heirloom roff, Solaris roff, and
307: http://repo.or.cz/w/neatroff.git http://litcave.rudi.ir/
1.178 schwarze 308:
309: - look at AT&T DWB http://www2.research.att.com/sw/download
310: Carsten Kunze <carsten dot kunze at arcor dot de> has patches
311: Mon, 4 Aug 2014 17:01:28 +0200
1.174 schwarze 312:
1.79 schwarze 313: - look at pages generated from reStructeredText, e.g. devel/mercurial hg(1)
314: These are a weird mixture of man(7) and custom autogenerated low-level
315: roff stuff. Figure out to what extent we can cope.
1.80 schwarze 316: For details, see http://docutils.sourceforge.net/rst.html
1.79 schwarze 317: noted by stsp@ Sat, 24 Apr 2010 09:17:55 +0200
318: reminded by nicm@ Mon, 3 May 2010 09:52:41 +0100
1.160 schwarze 319:
1.174 schwarze 320: - look at pages generated from ronn(1) github.com/rtomayko/ronn
321: (based on markdown)
322:
1.160 schwarze 323: - look at pages generated from Texinfo source by yat2m, e.g. security/gnupg
324: First impression is not that bad.
1.172 schwarze 325:
326: - look at pages generated by pandoc; see
327: https://github.com/jgm/pandoc/blob/master/src/Text/Pandoc/Writers/Man.hs
328: porting planned by kili@ Thu, 19 Jun 2014 19:46:28 +0200
1.71 schwarze 329:
330: - check compatibility with Plan9:
331: http://swtch.com/usr/local/plan9/tmac/tmac.an
332: http://swtch.com/plan9port/man/man7/man.html
333: "Anthony J. Bentley" <anthonyjbentley@gmail.com> 28 Dec 2010 21:58:40 -0700
1.63 schwarze 334:
1.207 schwarze 335: - check compatibility with COHERENT troff:
336: http://www.nesssoftware.com/home/mwc/source.php
337:
1.174 schwarze 338: - check compatibility with the man(7) formatter
339: https://raw.githubusercontent.com/rofl0r/hardcore-utils/master/man.c
340:
1.186 schwarze 341: - check compatibility with
342: http://ikiwiki.info/plugins/contrib/mandoc/
343: https://github.com/schmonz/ikiwiki/compare/mandoc
344: Amitai Schlair Mon, 19 May 2014 14:05:53 -0400
345:
1.1 kristaps 346: ************************************************************************
347: * formatting issues: ugly output
348: ************************************************************************
1.87 kristaps 349:
1.195 schwarze 350: - revisit empty in-line macros
351: look at the difference between "Em x Em ." and "Sq x Em ."
352: Carsten Kunze Fri, 12 Dec 2014 00:15:41 +0100
353: loc *** exist *** algo *** size * imp **
354:
355: - a column list with blank `Ta' cells triggers a spurious
1.87 kristaps 356: start-with-whitespace printing of a newline
1.195 schwarze 357:
358: - In .Bl -column, .It a<tab>"b<tab>c"
359: shows the quotes in groff, but not in mandoc
360: loc * exist *** algo ** size * imp **
1.1 kristaps 361:
1.39 schwarze 362: - In .Bl -column,
363: .It Em Authentication<tab>Key Length
364: ought to render "Key Length" with emphasis, too,
365: see OpenBSD iked.conf(5).
1.123 schwarze 366: reported again Nicolas Joly via wiz@ Wed, 12 Oct 2011 00:20:00 +0200
1.184 schwarze 367: loc * exist *** algo *** size ** imp ***
1.39 schwarze 368:
1.1 kristaps 369: - empty phrases in .Bl column produce too few blanks
370: try e.g. .Bl -column It Ta Ta
371: reported by millert Fri, 02 Apr 2010 16:13:46 -0400
1.184 schwarze 372: loc * exist *** algo *** size * imp **
1.48 schwarze 373:
1.83 schwarze 374: - .%T can have trailing punctuation. Currently, it puts the trailing
375: punctuation into a trailing MDOC_TEXT element inside its own scope.
376: That element should rather be outside its scope, such that the
377: punctuation does not get underlines. This is not trivial to
378: implement because .%T then needs some features of in_line_eoln() -
379: slurp all arguments into one single text element - and one feature
380: of in_line() - put trailing punctuation out of scope.
381: Found in mount_nfs(8) and exports(5), search for "Appendix".
1.184 schwarze 382: loc ** exist ** algo *** size * imp **
1.83 schwarze 383:
1.147 schwarze 384: - Trailing punctuation after .%T triggers EOS spacing, at least
385: outside .Rs (eek!). Simply setting ARGSFL_DELIM for .%T is not
386: the right solution, it sends mandoc into an endless loop.
387: reported by Nicolas Joly Sat, 17 Nov 2012 11:49:54 +0100
1.184 schwarze 388: loc * exist ** algo ** size * imp **
1.147 schwarze 389:
1.174 schwarze 390: - global variables in the SYNOPSIS of section 3 pages
391: .Vt vs .Vt/.Va vs .Ft/.Va vs .Ft/.Fa ...
392: from kristaps@ Tue, 08 Jun 2010 11:13:32 +0200
393:
1.48 schwarze 394: - in enclosures, mandoc sometimes fancies a bogus end of sentence
395: reminded by jmc@ Thu, 23 Sep 2010 18:13:39 +0059
1.184 schwarze 396: loc * exist ** algo *** size * imp ***
1.197 schwarze 397:
398: - a line starting with "\fB something" counts as starting with whitespace
399: and triggers a line break; found in audio/normalize-mp3(1)
400: loc ** exist * algo ** size * imp **
1.149 schwarze 401:
402: - formatting /usr/local/man/man1/latex2man.1 with groff and mandoc
403: reveals lots of bugs both in groff and mandoc...
404: reported by bentley@ Wed, 22 May 2013 23:49:30 -0600
1.171 schwarze 405:
406: --- PDF issues ---------------------------------------------------------
407:
408: - PDF output doesn't use a monospaced font for .Bd -literal
409: Example: "mandoc -Tpdf afterboot.8 > output.pdf && pdfviewer output.pdf".
410: Search the text "Routing tables".
411: Also check what PostScript mode does when fixing this.
412: reported by juanfra@ Wed, 04 Jun 2014 21:44:58 +0200
1.186 schwarze 413: instructions from juanfra@ Wed, 11 Jun 2014 02:21:01 +0200
414: add a new <</Type /Font>> block to the PDF files with /BaseFont /Courier
415: and change the /Name from /F0 to the new font (/F5 (?)).
416: loc * exist ** algo ** size * imp **
1.173 schwarze 417:
418: --- HTML issues --------------------------------------------------------
419:
1.174 schwarze 420: - <dl><dt><dd> formatting is ugly
421: hints are easy to find on the web, e.g.
422: http://stackoverflow.com/questions/1713048/
423: see also matthew@ Fri, 18 Jul 2014 19:25:12 -0700
1.184 schwarze 424: loc * exist * algo ** size * imp ***
1.217 schwarze 425:
426: - In -man -Thtml, .nf does not preserve indentation.
427: It should either convert blanks to
428: or use <pre> rather than <div> (like .Bd -literal does).
429: Reported by afresh1@ 12 Apr 2016 14:35:45 -0700
1.214 schwarze 430:
431: - .Bf at the beginning of a paragraph inserts a bogus 1ex horizontal
432: space, see for example random(3). Introduced in
433: http://mdocml.bsd.lv/cgi-bin/cvsweb/mdoc_html.c.diff?r1=1.91&r2=1.92
434: reported by deraadt@ Mon, 28 Sep 2015 20:14:13 -0600 (MDT)
435: loc ** exist ** algo ** size * imp *
1.180 schwarze 436:
1.187 schwarze 437: - jsg on icb, Nov 3, 2014:
438: try to guess Xr in man(7) for hyperlinking
439:
1.180 schwarze 440: - The tables used to render the three-part page headers actually force
441: the width of the <body> to the max-width given for <html>.
442: Not yet sure how to fix that...
443: Observed by an Anonymous Coward on undeadly.org:
444: http://undeadly.org/cgi?action=article&sid=20140925064244&pid=1
1.184 schwarze 445: loc * exist * algo ** size * imp ***
1.177 schwarze 446:
447: - consider whether <var> can be used for Ar Dv Er Ev Fa Va.
448: from bentley@ Wed, 13 Aug 2014 09:17:55 -0600
1.206 schwarze 449:
450: - generate <img> tags in HTML
451: idea from florian@ Tue, 7 Apr 2015 00:26:28 +0000
452: may be possible to implement with .Lk img://something.png alt_text
1.174 schwarze 453:
1.173 schwarze 454: - check https://github.com/trentm/mdocml
1.35 kristaps 455:
1.1 kristaps 456: ************************************************************************
1.104 kristaps 457: * formatting issues: gratuitous differences
1.1 kristaps 458: ************************************************************************
1.187 schwarze 459:
460: - .Fn reopens a new scope after punctuation in mandoc,
461: but closes its scope for good in groff.
462: Do we want to change mandoc or groff?
463: Steffen Nurpmeso Sat, 08 Nov 2014 13:34:59 +0100
464: loc * exist ** algo ** size * imp **
1.103 schwarze 465:
1.174 schwarze 466: - In .Bl -enum -width 0n, groff continues one the same line after
467: the number, mandoc breaks the line.
468: mail to kristaps@ Mon, 20 Jul 2009 02:21:39 +0200
1.184 schwarze 469: loc * exist ** algo ** size * imp **
1.174 schwarze 470:
1.103 schwarze 471: - .Pp between two .It in .Bl -column should produce one,
472: not two blank lines, see e.g. login.conf(5).
473: reported by jmc@ Sun, 17 Apr 2011 14:04:58 +0059
1.129 schwarze 474: reported again by sthen@ Wed, 18 Jan 2012 02:09:39 +0000 (UTC)
1.184 schwarze 475: loc * exist *** algo ** size * imp **
1.39 schwarze 476:
1.83 schwarze 477: - If the *first* line after .It is .Pp, break the line right after
478: the tag, do not pad with space characters before breaking.
479: See the description of the a, c, and i commands in sed(1).
1.184 schwarze 480: loc * exist ** algo ** size * imp **
1.83 schwarze 481:
482: - If the first line after .It is .D1, do not assert a blank line
483: in between, see for example tmux(1).
484: reported by nicm@ 13 Jan 2011 00:18:57 +0000
1.184 schwarze 485: loc * exist ** algo ** size * imp **
1.147 schwarze 486:
487: - Trailing punctuation after .It should trigger EOS spacing.
488: reported by Nicolas Joly Sat, 17 Nov 2012 11:49:54 +0100
489: Probably, this should be fixed somewhere in termp_it_pre(), not sure.
1.184 schwarze 490: loc * exist ** algo ** size * imp **
1.83 schwarze 491:
1.39 schwarze 492: - .Nx 1.0a
493: should be "NetBSD 1.0A", not "NetBSD 1.0a",
494: see OpenBSD ccdconfig(8).
1.184 schwarze 495: loc * exist * algo * size * imp **
1.83 schwarze 496:
1.39 schwarze 497: - In .Bl -tag, if a tag exceeds the right margin and must be continued
498: on the next line, it must be indented by -width, not width+1;
499: see "rule block|pass" in OpenBSD ifconfig(8).
1.184 schwarze 500: loc * exist *** algo ** size * imp **
1.56 schwarze 501:
1.83 schwarze 502: - When the -width string contains macros, the macros must be rendered
503: before measuring the width, for example
504: .Bl -tag -width ".Dv message"
505: in magic(5), located in src/usr.bin/file, is the same
506: as -width 7n, not -width 11n.
1.129 schwarze 507: The same applies to .Bl -column column widths;
508: reported again by Nicolas Joly Thu, 1 Mar 2012 13:41:26 +0100 via wiz@ 5 Mar
1.157 schwarze 509: reported again by Franco Fichtner Fri, 27 Sep 2013 21:02:28 +0200
1.184 schwarze 510: loc *** exist *** algo *** size ** imp ***
1.157 schwarze 511: An easy partial fix would be to just skip the first word if it starts
512: with a dot, including any following white space, when measuring.
1.184 schwarze 513: loc * exist * algo * size * imp ***
1.83 schwarze 514:
1.56 schwarze 515: - The \& zero-width character counts as output.
516: That is, when it is alone on a line between two .Pp,
517: we want three blank lines, not two as in mandoc.
1.184 schwarze 518: loc ** exist ** algo ** size * imp **
1.83 schwarze 519:
1.64 schwarze 520: - Header lines of excessive length:
521: Port OpenBSD man_term.c rev. 1.25 to mdoc_term.c
522: and document it in mdoc(7) and man(7) COMPATIBILITY
523: found while talking to Chris Bennett
1.184 schwarze 524: loc * exist * algo * size * imp *
1.205 schwarze 525:
526: - Sequences of multiple man(7) paragraphs (.PP, .IP) interspersed
527: with .ps and .nf/.fi produce execessive blank lines, see libJudy
1.207 schwarze 528: and graphics/dcmtk. The parser reorg may help with this.
1.83 schwarze 529:
530: - trailing whitespace must be ignored even when followed by a font escape,
1.198 schwarze 531: see for example
1.83 schwarze 532: makes
533: \fBdig \fR
534: operate in batch mode
535: in dig(1).
1.184 schwarze 536: loc ** exist ** algo ** size * imp **
1.166 schwarze 537:
538: ************************************************************************
539: * warning issues
540: ************************************************************************
1.216 schwarze 541:
542: - provide a way in mandoc(1) to warn about broken .Xr links;
543: probably cannot be on by default in -Tlint because it needs
544: to access the manpath and mandoc.db(3) after parsing.
545: asked for by jmc@ Fri, 4 Dec 2015 22:39:40 +0000
1.166 schwarze 546:
1.210 schwarze 547: - Report errors in -O suboption parsing.
1.211 schwarze 548: loc * exist * algo * size * imp **
549:
550: - warn when .Sh or .Ss contain other macros
551: Steffen Nurpmeso, savannah.gnu.org/bugs/index.php?45034
1.210 schwarze 552: loc * exist * algo * size * imp **
553:
1.166 schwarze 554: - check that MANDOCERR_BADTAB is thrown in the right cases,
555: i.e. when finding a literal tab character in fill mode,
556: and possibly change the wording of the warning message
557: to refer to fill mode, not literal mode
558: See the mail from Werner LEMBERG on the groff list,
559: Fri, 14 Feb 2014 18:54:42 +0100 (CET)
1.184 schwarze 560: loc * exist ** algo ** size * imp **
1.188 schwarze 561:
562: - warn about attempts to call non-callable macros
563: Steffen Nurpmeso Tue, 11 Nov 2014 22:55:16 +0100
564: Note that formatting is inconsistent in groff.
565: .Fn Po prints "Po()", .Ar Sh prints "file ..." and no "Sh".
566: Relatively hard because the relevant code is scattered
567: all over mdoc_macro.c and all subtly different.
568: loc ** exist ** algo ** size ** imp **
1.174 schwarze 569:
570: - warn about "new sentence, new line"
1.184 schwarze 571: loc ** exist ** algo *** size * imp **
1.174 schwarze 572:
573: - mandoc_special does not really check the escape sequence,
574: but just the overall format
1.184 schwarze 575: loc ** exist ** algo *** size ** imp **
1.174 schwarze 576:
577: - integrate mdoclint into mandoc ("end-of-line whitespace" thread)
578: from jmc@ Mon, 13 Jul 2009 17:12:09 +0100
579: from kristaps@ Mon, 13 Jul 2009 18:34:53 +0200
580: from jmc@ Mon, 13 Jul 2009 17:45:37 +0059
581: from kristaps@ Mon, 13 Jul 2009 19:02:03 +0200
1.184 schwarze 582: (mostly done, check what remains)
1.174 schwarze 583:
584: - -Tlint parser errors and warnings to stdout
585: to tech@mdocml, naddy@ Wed, 28 Sep 2011 11:21:46 +0200
586: wait! kristaps@ Sun, 02 Oct 2011 17:12:52 +0200
587:
588: ************************************************************************
589: * documentation issues
590: ************************************************************************
591:
592: - mention hyphenation rules:
593: breaking at letter-letter in text mode (not macro args)
594: proper hyphenation is unimplemented
595:
596: - talk about spacing around delimiters
597: to jmc@, kristaps@ Sat, 23 Apr 2011 17:41:27 +0200
598:
599: - mark macros as: page structure domain, manual domain, general text domain
600: is this useful?
601:
602: - mention /usr/share/misc/mdoc.template in mdoc(7)?
1.185 schwarze 603:
604: - Is all the content from http://www.std.com/obi/BSD/doc/usd/28.tbl/tbl
605: covered in tbl(7)?
1.1 kristaps 606:
1.9 kristaps 607: ************************************************************************
608: * performance issues
609: ************************************************************************
1.176 schwarze 610:
611: - Why are we using MAP_SHARED, not MAP_PRIVATE for mmap(2)?
612: from kristaps@ Sat, 09 Aug 2014 13:51:36 +0200
1.9 kristaps 613:
1.198 schwarze 614: Several areas can be cleaned up to make mandoc even faster. These are
1.9 kristaps 615:
616: - improve hashing mechanism for macros (quite important: performance)
617:
618: - improve hashing mechanism for characters (not as important)
1.23 kristaps 619:
1.37 kristaps 620: - the PDF file is HUGE: this can be reduced by using relative offsets
1.115 kristaps 621:
622: - instead of re-initialising the roff predefined-strings set before each
1.198 schwarze 623: parse, create a read-only version the first time and copy it
1.184 schwarze 624: loc * exist ** algo ** size * imp **
1.37 kristaps 625:
1.23 kristaps 626: ************************************************************************
627: * structural issues
628: ************************************************************************
1.221 schwarze 629:
630: - POSIX says in the documentation of sysconf(3) that PATH_MAX
631: is allowed to be so large that it is a bad idea to use it
632: for sizing static buffers. So use dynamic buffers throughout.
633: See the file test-PATH_MAX.c for details.
634: Found by Aaron M. Ucko in the GNU Hurd via Bdale Garbee,
635: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=829624
1.122 schwarze 636:
637: - We use the input line number at several places to distinguish
638: same-line from different-line input. That plainly doesn't work
639: with user-defined macros, leading to random breakage.
1.67 schwarze 640:
641: - Find better ways to prevent endless loops
642: in roff(7) macro and string expansion.
1.198 schwarze 643:
1.96 schwarze 644: - Finish cleanup of date handling.
1.91 schwarze 645: Decide which formats should be recognized where.
646: Update both mdoc(7) and man(7) documentation.
647: Triggered by Tim van der Molen Tue, 22 Feb 2011 20:30:45 +0100
1.186 schwarze 648:
649: - struct mparse refactoring
650: Steffen Nurpmeso Thu, 04 Sep 2014 12:50:00 +0200
1.170 schwarze 651:
1.179 kristaps 652: ************************************************************************
653: * CGI issues
654: ************************************************************************
655:
656: - Enable HTTP compression by detecting gzip encoding and filtering
657: output through libz.
658: - Sandbox (see OpenSSH).
659: - Enable caching support via HTTP 304 and If-Modified-Since.
660: - Allow for cgi.h to be overridden by CGI environment variables.
661: Otherwise, binary distributions will inherit the compile-time
662: behaviour, which is not optimal.
663: - Have Mac OSX systems automatically disable -static compilation of the
664: CGI: -static isn't supported.
1.181 kristaps 665:
1.192 schwarze 666: ************************************************************************
667: * to improve in the groff_mdoc(7) macros
668: ************************************************************************
669:
670: - use uname(1) to set doc-default-operating-system at install time
671: tobimensch Mon, 1 Dec 2014 00:25:07 +0100
CVSweb