mandoc/TODO - diff

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Up to [cvsweb.bsd.lv] / mandoc

Diff for /mandoc/TODO between version 1.233 and 1.313

version 1.233, 2017/02/08 12:20:16

version 1.313, 2021/06/02 18:23:34

Line 33 Obviously, as the issues have not been solved yet, the

are mere guesses, and some may be wrong.

************************************************************************

* assertion failures

************************************************************************

- .if n .ce in the middle of .TS data

afl case f1/id:000103,sig:06,src:009024+009105,op:splice,rep:2 (jes@)

While roff_parseln() prevents .ce and similar requests in the middle

of a tbl, the guard is no longer effective when the .ce is wrapped

in a roff block, for example a conditional. The resulting assertion

has never been seen in any real-world manual page.

This is too dangerous to fix before release because it requires

reorganizing the very delicate internals of roff_parseln(),

which risks causing more severe bugs.

loc * exist *** algo *** size * imp *

************************************************************************

* missing features

************************************************************************

Line 52 are mere guesses, and some may be wrong.

Line 67 are mere guesses, and some may be wrong.

found by naddy@ in xloadimage(1)

loc ** exist *** algo * size * imp *

- .nr third argument (auto-increment step size, requires \n+)

found by bentley@ in sbcl(1) Mon, 9 Dec 2013 18:36:57 -0700

loc * exist * algo * size * imp **

- .ns (no-space mode) occurs in xine-config(1)

when implementing this, also let .TH set it

reported by brad@ Sat, 15 Jan 2011 15:45:23 -0500

loc *** exist *** algo *** size ** imp *

- .ta (tab settings)

#1 most important issue naddy@ Mon, 16 Feb 2015 20:59:17 +0100

ircbug(1) gnats(1) reported by brad@ Sat, 15 Jan 2011 15:50:51 -0500

also Tcl_NewStringObj(3) via wiz@ Wed, 5 Mar 2014 22:27:43 +0100

also posix2time(3) Carsten Kunze Mon, 1 Dec 2014 13:03:10 +0100

loc ** exist *** algo ** size ** imp ***

- .ti (temporary indent)

found by naddy@ in xloadimage(1) [devel/libvstr] vstr(3)

found by bentley@ in nmh(1) Mon, 23 Apr 2012 13:38:28 -0600

loc ** exist ** algo ** size * imp ** (parser reorg helps a lot)

- .while and .shift

found by jca@ in ratpoison(1) Sun, 30 Jun 2013 12:01:09 +0200

loc * exist ** algo ** size ** imp **

- \h horizontal move

#2 most important issue naddy@ Mon, 16 Feb 2015 20:59:17 +0100

found in cclive(1) nasm(1) bogofilter(1) asciidoc/DocBook output

bentley@ on discuss@ Sat, 21 Sep 2013 22:29:34 -0600

naddy@ Thu, 4 Dec 2014 16:26:41 +0100

loc ** exist ** algo ** size * imp *** (parser reorg helps a lot)

- \n+ and \n- numerical register increment and decrement

found by bentley@ in sbcl(1) Mon, 9 Dec 2013 18:36:57 -0700

loc * exist * algo * size * imp **

- \n(.$ macro argument count number register; ocserv(8) by autogen

found by sthen@ Thu, 19 Feb 2015 22:03:01 +0000

loc * exist ** algo * size * imp **

- \w'' improve width measurements

would not be very useful without an expression parser, see below

needed for Tcl_NewStringObj(3) via wiz@ Wed, 5 Mar 2014 22:27:43 +0100

loc ** exist *** algo *** size * imp ***

- \\ in high-level macro arguments

- .als only works for macros in mandoc, not for user-defined strings.

Currently, \\ is expanded in two situations:

Also, the "val" field in struct roffkv would have to be replaced

1) macro and string definition (roff.c setstrn())

with a pointer to a reference-counted wrapper, and an alias

2) macro argument parsing (mandoc.c mandoc_getarg())

would have to point to the same wrapper as the original.

For user defined macros, the second happens in time because of ROFF_REPARSE.

.als to undefined does nothing; the alias is not created.

But for standard high-level macros, it only happens after entering the

.rm'ing the original leaves the alias to point to the old value.

high level parsers, which is too late because the code doesn't get

.de .als .de changes both, but

back to roff.c roff_res() from that point. Because this requires

.de .als .rm .de only changes the new value, not the alias.

distinguishing requests, user-defined macros and standard macros

Found in groffer(1) version 1.19

on the roff_res() level, it is hard to solve without the parser reorg.

Jan Stary 20 Apr 2019 20:16:54 +0200

Found by naddy@ in devel/cutils cobfusc(1) Mon, 16 Feb 2015 19:10:52 +0100

loc * exist ** algo ** size ** imp *

loc *** exist *** algo *** size ** imp *

- using undefined strings or macros defines them to be empty

- roff string condition comparisons fail when vars contain quotes:

wl@ Mon, 14 Nov 2011 14:37:01 +0000

.ds s '

.if '\*s'' \&...

hard to fix because of the basic architecture (string replacement

happens before roff(7) syntax parsing)

Found in groffer(1) version 1.19

Jan Stary 20 Apr 2019 20:16:54 +0200

loc * exist *** algo *** size ** imp *

- mandoc replaces all ASCII control characters except tab and line feed

with '?' during input. It would be better to replace them with

Unicode escapes in preconv_encode() or somewhere in the vicinity,

such that the already existing better replacement strings show

up in the output. Emulating groff is not desirable: groff replaces

0x00, 0x0b, and 0x0d to 0x1f with the empty string (bad because

that's easy to overlook for the document author), 0x01 with '.'

(very confusing), and passes through 0x02 to 0x08, 0x0c, and 0x7f

raw (bad because that is insecure output). Remember that 0x07 may

need special handling because it is sometimes used for certain

delimiters, so it may need handling *after* roff.c rather than before.

reminded by John Gardner 16 Jun 2020 14:26:28 +1000

Actually, more ASCII control characters than just 0x07 may need

later handling because they can for example be used in macro names.

So they may need handling after roff(7) processing.

pointed out by John Gardner 23 Jun 2020 18:28:08 +1000

more info from John Gardner 29 Jun 2020 19:54:04 +1000

loc ** exist ** algo ** size ** imp *

- many missing features used in old groff_char(7),

some can possibly be supported

kamil at netbsd 12 Nov 2020 17:27:09 +0100 + reply

- \s with arbitrary arg delimiters as already supported for other escapes

found following jmc@'s mail 28 Apr 2021 18:31:41 +0100

loc * exist * algo * size * imp *

--- missing mdoc features ----------------------------------------------

- .Sh and .Ss should be parsed and partially callable, see groff_mdoc(7)

reed at reedmedia dot net Sat, 21 Dec 2019 17:13:07 -0600

loc ** exist ** algo ** size ** imp *

- .Bl -column .Xo support is missing

ultimate goal:

restore .Xr and .Dv to

Line 129 are mere guesses, and some may be wrong.

Line 144 are mere guesses, and some may be wrong.

from jmc@ Wed, 14 Jul 2010 18:10:32 +0100

loc * exist *** algo *** size ** imp **

- .Bd -centered implies -filled, not -unfilled, which is not

easy to implement; it requires code similar to .ce, which

we don't have either.

Besides, groff has bug causing text right *before* .Bd -centered

to be centered as well.

loc *** exist *** algo ** size ** imp ** (parser reorg would help)

- .Bd -filled should not be the same as .Bd -ragged, but align both

the left and right margin. In groff, it is implemented in terms

of .ad b, which we don't have either. Found in cksum(1).

Line 169 are mere guesses, and some may be wrong.

Line 177 are mere guesses, and some may be wrong.

is not safe, e.g. `.Bl -column .It Pf a b .' gives "ab."

but should give "ab ."

- check whether it is correct that `D1' uses INDENT+1;

does it need its own constant?

loc * exist ** algo ** size * imp **

- prohibit `Nm' from having non-text HEAD children

(e.g., NetBSD mDNSShared/dns-sd.1)

(mdoc_html.c and mdoc_term.c `Nm' handlers can be slightly simplified)

Line 193 are mere guesses, and some may be wrong.

Line 197 are mere guesses, and some may be wrong.

uqs@ Thu, 2 Jun 2011 11:33:35 +0200

loc * exist ** algo *** size * imp **

--- missing tbl features -----------------------------------------------

--- missing man features -----------------------------------------------

- horizontal lines in the layout still consume data cells

- MANWIDTH

and can be mixed with actual data on the same table line

Markus Waldeck <waldeck at gmx dot de> 9 Jun 2015 05:49:56 +0200

synaptics(4) found by tedu@ Mon, 17 Aug 2015 21:17:42 -0400

Laura Morales <lauretas at mail dot com> 26 Apr 2018 08:15:55 +0200

loc ** exist ** algo ** size ** imp ***

Kamil Rytarowski <kamil at netbsd> 13 Nov 2020 00:19:36 +0100

patch from Kamil 13 Nov 2020 22:37:07 +0100

loc * exist * algo * size * imp *

- break long text into lines inside cells

- groff_www(7) .MTO and .URL

net/lftp(1) from jirib via bentley@ Sep 13, 2016

These macros were used by the GNU grep(1) man page.

The groff_www(7) manual page itself uses them, too.

We should probably *not* add them to mandoc.

Just mentioning this here to keep track of the abuse.

Laura Morales <lauretas at mail dot com> 20 Apr 2018 07:33:02 +0200

loc ** exist * algo * size ** imp *

- layout l1 for a column of max text width 3 reduces the following

--- missing tbl features -----------------------------------------------

inter-column spacing for groff, but not for mandoc

net/lftp(1) from jirib via bentley@ Sep 13, 2016

- the "w" layout option is ignored

- vertical centering in cells vertically spanned with ^

synaptics(4) found by tedu@ Mon, 17 Aug 2015 21:17:42 -0400

pali dot rohar at gmail dot com 16 Jul 2018 13:03:35 +0200

loc * exist * algo * size * imp **

loc * exist *** algo *** size ** imp *

- the "s" layout column specifier is used for placement of data

into columns, but ignored during column width calculations

synaptics(4) found by tedu@ Mon, 17 Aug 2015 21:17:42 -0400

loc * exist ** algo *** size * imp **

- support mdoc(7) and man(7) macros inside tbl(7) code;

probably requires the parser reorg and letting tbl(7)

use roff_node such that macro sets can mix;

Line 223 are mere guesses, and some may be wrong.

Line 227 are mere guesses, and some may be wrong.

loc *** exist ** algo *** size ** imp ***

- look at the POSIX manuals in the books/man-pages-posix port,

they use some unsupported tbl(7) features.

they use some unsupported tbl(7) features, mostly macros in tbl(7).

loc * exist ** algo ** size ** imp ***

- look what Joerg Schilling manual pages use

Thu, 19 Mar 2015 18:31:48 +0100

- use Unicode U+2500 to U+256C for table borders

in tbl(7) -Tutf-8 output

suggested by bentley@ Tue, 14 Oct 2014 04:10:55 -0600

loc * exist ** algo * size * imp **

--- missing eqn features -----------------------------------------------

- In a matrix, break the output line after each matrix line.

Found in the discussion at CDBUG 2015.

Found in the discussion at CDBUG 2015. Suggested by Avi Weinstock.

Suggested by Avi Weinstock.

This may not be the ideal solution after all: eqn(7) matrices

loc * exist * algo * size * imp **

are lists of columns, so Avi's proposal would show each *column*

on its own *line*, which is likely to cause confusion.

A better solution, but much harder to implement, would be to

actually show the coordinates of column vectors on different

terminal output lines, using the clumnated output facilities

developed for .Bl -tag, .Bl -column, and also used for tbl(7).

loc * exist * algo ** size ** imp **

- The "size" keyword is parsed, but ignored by the formatter.

loc * exist * algo * size * imp *

Line 252 are mere guesses, and some may be wrong.

Line 257 are mere guesses, and some may be wrong.

see User's Guide (Second Edition) page 5 section 15.

loc ** exist ** algo ** size ** imp **

- GNU eqn converts some operators to special characters, for example,

input HYPHEN-MINUS becomes output \(mi, unless it is part of a

quoted word. mandoc(1) only does this when the operator is

surrounded by blanks, not when it is part of an unquoted word.

Also, check whether there are more such cases (e.g., +?).

reported by bentley@ 20 Jun 2017 02:04:29 -0600

loc * exist ** algo ** size * imp *

- Primes, opprime, and '

bentley@ Thu, 13 Jul 2017 23:14:20 -0600

--- missing misc features ----------------------------------------------

- -T man does not handle eqn(7) and tbl(7)

Stephen Gregoratto 16 Feb 2020 01:28:07 +1100

loc ** exist ** algo ** size *** imp **

- man -ks 1,8 route; kn@ Jul 13, 2018 orally

- italic correction (\/) in PostScript mode

Werner LEMBERG on groff at gnu dot org Sun, 10 Nov 2013 12:47:46

loc ** exist ** algo * size * imp *

Line 273 are mere guesses, and some may be wrong.

Line 295 are mere guesses, and some may be wrong.

- kettenis wants base roff, ms, and me Fri, 1 Jan 2010 22:13:15 +0100 (CET)

loc ** exist ** algo ** size *** imp *

- Vsevolod Stakhov (FreeBSD) needs either a markdown output formatter

for mandoc -mdoc or a markdown to mdoc converter because they

have to maintain manuals needed both in markdown and mdoc format.

Look at the libsoldout (markdown -> whatever)

loc * exist * algo * size ** imp **

--- compatibility checks -----------------------------------------------

- is .Bk implemented correctly in modern groff?

Line 326 are mere guesses, and some may be wrong.

Line 342 are mere guesses, and some may be wrong.

https://github.com/schmonz/ikiwiki/compare/mandoc

Amitai Schlair Mon, 19 May 2014 14:05:53 -0400

- check compatibility with

https://git.sr.ht/~sircmpwn/scdoc

- check features of the Slackware man.conf(5) format

Carsten Kunze Wed, 11 Mar 2015 17:57:24 +0100

Line 377 are mere guesses, and some may be wrong.

Line 396 are mere guesses, and some may be wrong.

.Vt vs .Vt/.Va vs .Ft/.Va vs .Ft/.Fa ...

from kristaps@ Tue, 08 Jun 2010 11:13:32 +0200

- implicit whitespace around inline equations

example code: where '$times$' denotes matrix multiplication

must not have an HTML line break, nor a blank, before <math>

partial solution: html.c {"math", HTML_NLINSIDE | HTML_INDENT},

bentley@ Thu, 13 Jul 2017 19:00:59 -0600

- in enclosures, mandoc sometimes fancies a bogus end of sentence

reminded by jmc@ Thu, 23 Sep 2010 18:13:39 +0059

loc * exist ** algo *** size * imp ***

- a line starting with "\fB something" counts as starting with whitespace

and triggers a line break; found in audio/normalize-mp3(1)

This will become easier once escape sequences are represented

by syntax tree nodes.

loc ** exist * algo ** size * imp **

- rendering of double quotes in -Tascii is ugly in both groff and mandoc

to improve, both would have to be changed

Carsten Kunze Fri, 12 Dec 2014 14:27:56 +0100

- formatting /usr/local/man/man1/latex2man.1 with groff and mandoc

reveals lots of bugs both in groff and mandoc...

reported by bentley@ Wed, 22 May 2013 23:49:30 -0600

Line 404 are mere guesses, and some may be wrong.

Line 427 are mere guesses, and some may be wrong.

add a new <</Type /Font>> block to the PDF files with /BaseFont /Courier

and change the /Name from /F0 to the new font (/F5 (?)).

re-reported by tb@ Mon, 16 Mar 2015 16:47:21 +0100

loc * exist ** algo ** size * imp **

loc ** exist ** algo ** size * imp **

--- HTML issues --------------------------------------------------------

- .Bd -unfilled should not use monospaced font

anton@ 4 Mar 2021 08:19:35 +0100

loc ** exist * algo * size * imp **

- get rid of the last handful of style= attributes such that

Content-Security-Policy: can be enabled without unsafe-inline

suggested by bentley@ Nov 10, 2019 at 06:02:49AM -0700

loc * exist * algo * size * imp **

- .Bf at the beginning of a paragraph inserts a bogus 1ex horizontal

space, see for example random(3). Introduced in

http://mdocml.bsd.lv/cgi-bin/cvsweb/mdoc_html.c.diff?r1=1.91&r2=1.92

Line 420 are mere guesses, and some may be wrong.

Line 452 are mere guesses, and some may be wrong.

https://github.com/Debian/debiman/issues/15

loc * exist * algo ** size ** imp **

- space characters can end up in href= attributes, for example coming

from the first .Xr argument (where they make no sense, but still);

does this affect other characters, other source macros...?

Jackson Pauls 29 Aug 2017 16:56:27 +0100

- The tables used to render the three-part page headers actually force

the width of the <body> to the max-width given for <html>.

Not yet sure how to fix that...

Line 427 are mere guesses, and some may be wrong.

Line 464 are mere guesses, and some may be wrong.

http://undeadly.org/cgi?action=article&sid=20140925064244&pid=1

loc * exist * algo ** size * imp ***

- implement the tbl(7) layout "n" specifier for HTML output,

probably by manual alignment, inserting adequate numbers of

digit-width spaces, similar to tbl_term.c, tbl_number()

Oliver Corff 16 May 2021 20:29:00 +0200

loc ** exist ** algo ** size * imp **

- generate <img> tags in HTML

idea from florian@ Tue, 7 Apr 2015 00:26:28 +0000

may be possible to implement with .Lk img://something.png alt_text

Line 443 are mere guesses, and some may be wrong.

Line 486 are mere guesses, and some may be wrong.

Steffen Nurpmeso Sat, 08 Nov 2014 13:34:59 +0100

loc * exist ** algo ** size * imp **

- .Lk formatting for long links with line breaks

Franco Fichtner 8 Oct 2013 00:33:42 +0200

- In .Bl -enum -width 0n, groff continues one the same line after

the number, mandoc breaks the line.

mail to kristaps@ Mon, 20 Jul 2009 02:21:39 +0200

Line 472 are mere guesses, and some may be wrong.

Line 512 are mere guesses, and some may be wrong.

Probably, this should be fixed somewhere in termp_it_pre(), not sure.

loc * exist ** algo ** size * imp **

- .Nx 1.0a

should be "NetBSD 1.0A", not "NetBSD 1.0a",

see OpenBSD ccdconfig(8).

loc * exist * algo * size * imp **

- In .Bl -tag, if a tag exceeds the right margin and must be continued

on the next line, it must be indented by -width, not width+1;

see "rule block|pass" in OpenBSD ifconfig(8).

loc * exist *** algo ** size * imp **

- When the -width string contains macros, the macros must be rendered

before measuring the width, for example

.Bl -tag -width ".Dv message"

Line 490 are mere guesses, and some may be wrong.

Line 520 are mere guesses, and some may be wrong.

The same applies to .Bl -column column widths;

reported again by Nicolas Joly Thu, 1 Mar 2012 13:41:26 +0100 via wiz@ 5 Mar

reported again by Franco Fichtner Fri, 27 Sep 2013 21:02:28 +0200

reported again by Bruce Evans Fri, 17 Feb 2017 21:22:44 +0100 via bapt@

loc *** exist *** algo *** size ** imp ***

An easy partial fix would be to just skip the first word if it starts

with a dot, including any following white space, when measuring.

Line 516 are mere guesses, and some may be wrong.

Line 547 are mere guesses, and some may be wrong.

* warning issues

************************************************************************

- provide a way in mandoc(1) to warn about broken .Xr links;

- shorten/simplify error messages for usage errors

probably cannot be on by default in -Tlint because it needs

To: deraadt@ 25 Oct 2020 23:37:01 +0100

to access the manpath and mandoc.db(3) after parsing.

loc ** exist * algo * size ** imp ***

asked for by jmc@ Fri, 4 Dec 2015 22:39:40 +0000

- warn about duplicate .Sh/.Ss heads

gre(4): Rename duplicate sections 20 Apr 2018 15:27:33 +0200

loc * exist * algo * size * imp **

- style message about macros inside .Bd -literal and .Dl, in particular

font changing macros like .Cm, .Ar, .Fa (from the mdoclint TODO)

- style message about mismatches between the section number in the

file name (if it is known) and the section number in .Dt

(from the mdoclint TODO)

- style message about NULL without .Dv (from the mdoclint TODO)

- style message about error constants without .Er (from the mdoclint TODO)

- warn when .Sh or .Ss contain other macros

Steffen Nurpmeso, savannah.gnu.org/bugs/index.php?45034

loc * exist * algo * size * imp **

- style message about violations of the convention

.An name Aq Mt localpart@domain in AUTHORS (from the mdoclint TODO)

- warn about attempts to call non-callable macros

Steffen Nurpmeso Tue, 11 Nov 2014 22:55:16 +0100

Note that formatting is inconsistent in groff.

Line 533 are mere guesses, and some may be wrong.

Line 581 are mere guesses, and some may be wrong.

all over mdoc_macro.c and all subtly different.

loc ** exist ** algo ** size ** imp **

- mandoc_special does not really check the escape sequence,

- warn about punctuation - e.g. ',' and ';' - at the beginning

but just the overall format

of a text line, if it is likely intended to follow the preceding

loc ** exist ** algo *** size ** imp **

output without intervening whitespace, in particular after a

macro line (from the mdoclint TODO)

- integrate mdoclint into mandoc ("end-of-line whitespace" thread)

- report double .TH in man(7) as an ERROR and let the first win

from jmc@ Mon, 13 Jul 2009 17:12:09 +0100

kristaps@ 28 Mar 2021 13:30:41 +0200

from kristaps@ Mon, 13 Jul 2009 18:34:53 +0200

loc * exist * algo * size * imp *

from jmc@ Mon, 13 Jul 2009 17:45:37 +0059

from kristaps@ Mon, 13 Jul 2009 19:02:03 +0200

(mostly done, check what remains)

- -Tlint parser errors and warnings to stdout

- makewhatis -p complains about language subdirectories:

to tech@mdocml, naddy@ Wed, 28 Sep 2011 11:21:46 +0200

/usr/local/man//ru: Unknown directory part

wait! kristaps@ Sun, 02 Oct 2011 17:12:52 +0200

************************************************************************

* documentation issues

************************************************************************

Line 564 are mere guesses, and some may be wrong.

Line 610 are mere guesses, and some may be wrong.

* performance issues

************************************************************************

- Why are we using MAP_SHARED, not MAP_PRIVATE for mmap(2)?

from kristaps@ Sat, 09 Aug 2014 13:51:36 +0200

Several areas can be cleaned up to make mandoc even faster. These are

- improve hashing mechanism for macros (quite important: performance)

- the PDF file is HUGE: this can be reduced by using relative offsets

************************************************************************

Line 584 Several areas can be cleaned up to make mandoc even fa

Line 623 Several areas can be cleaned up to make mandoc even fa

Found by Aaron M. Ucko in the GNU Hurd via Bdale Garbee,

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=829624

- We use the input line number at several places to distinguish

- Is it possible to further simplify ENDBODY_SPACE?

same-line from different-line input. That plainly doesn't work

with user-defined macros, leading to random breakage.

- Find better ways to prevent endless loops

in roff(7) macro and string expansion.

- Finish cleanup of date handling.

- make buffers for parsing functions const

Decide which formats should be recognized where.

christos@ via wiz@ Fri, 18 Dec 2015 17:10:01 +0100

Update both mdoc(7) and man(7) documentation.

Triggered by Tim van der Molen Tue, 22 Feb 2011 20:30:45 +0100

- struct mparse refactoring

Steffen Nurpmeso Thu, 04 Sep 2014 12:50:00 +0200

Line 603 Several areas can be cleaned up to make mandoc even fa

Line 638 Several areas can be cleaned up to make mandoc even fa

* CGI issues

************************************************************************

- Inspect httpd(8) logs on man.openbsd.org and consider

whether logging can be improved, where bad syntax comes from,

and what needs to be done to get rid of COMPAT_OLDURI.

- Enable HTTP compression by detecting gzip encoding and filtering

output through libz.

- Sandbox (see OpenSSH).

- Privilege separation (see OpenSSH).

- Enable caching support via HTTP 304 and If-Modified-Since.

- Have Mac OSX systems automatically disable -static compilation of the

CGI: -static isn't supported.

************************************************************************

* to improve in the groff_mdoc(7) macros

************************************************************************

- delete OS release verification from .Dx, .Fx, .Nx, .Ox etc.

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629161

also Branden Robinson 18 Dec 2019 00:59:52 +1100

- Can the distinction between .Vt and .Va be made stricter,

recommending .Vt extern char * Ns Va optarg ; ?

What about the block macro properties of .Vt in the SYNOPSIS?

zeurkous 25 Dec 2019 08:48:36 +0100

- .Cd # arch1, arch2 in section 4 pages:

find better way to indicate multiple architectures, maybe:

allow .Dt vgafb 4 "macppc sparc64"

already shown as "Device Drivers Manual (macppc sparc64)"

for apropos, make that "vgafb(4) - macppc # sparc64" instead of "- all"

groff can be made to show multiple arches, too, but it is

tedious to do the string parsing in roff code...

jmc@ 23 Apr 2018 07:24:52 +0100 [man for vgafb(4)...]

loc ** exist ** algo * size * imp ***

- use uname(1) to set doc-default-operating-system at install time

tobimensch Mon, 1 Dec 2014 00:25:07 +0100

- apostrophe (39), circumflex (94), grave (96), tilde (126)

in manuals: \(aq, \(ha, \`, \(ti

Re: [Groff] ASCII Minus Sign in man Pages.

bentley@ 26 Apr 2017 10:02:06 -0600

Do we need to fix existing manuals?

Do we need to fix the definition of the mdoc(7) language?

CVSweb