************************************************************************
* Official mandoc TODO.
-* $Id: TODO,v 1.84 2011/01/25 10:37:49 kristaps Exp $
+* $Id: TODO,v 1.182 2014/10/10 10:49:38 schwarze Exp $
************************************************************************
************************************************************************
-* parser bugs
+* crashes
************************************************************************
-- .TP before .SH is still FATAL in man(7)
- reported by brad@ Sat, 15 Jan 2011 15:54:54 -0500
-
-- The mdoc(7) parser should handle `\.' as punctuation:
- .Ql .if ${VAR} op something \.
- should produce
- `.if ${VAR} op something'.
- not
- `.if ${VAR} op something .'
- as seen in make(1).
- To escape the dot, one would use `\&.'.
-
-- the roff parser doesn't tolerate additional characters between
- a macro and the \} terminating a conditional block, e.g.
- .if n \{
- .br \}
- reported by ulrich spoerlein Tue, 19 Oct 2010 20:39:50 +0200
-
-************************************************************************
-* formatter bugs
-************************************************************************
+- The abort() in bufcat(), html.c, can be triggered via buffmt_includes()
+ by running -Thtml -Oincludes on a file containing a long .In argument.
+ Fixing this will probably require reworking the whole bufcat() concept.
************************************************************************
* missing features
.ad -- re-enable adjustment without changing the mode
Adjustment mode is ignored while in no-fill mode (.nf).
-- .it (line traps) occur in mysql(1), yasm_arch(7)
- generated by DocBook XSL Stylesheets v1.71.1 <http://docbook.sf.net/>
- reported by brad@ Sat, 15 Jan 2011 15:48:18 -0500
+- .fc (field control)
+ found by naddy@ in xloadimage(1)
+
+- .nr third argument (auto-increment step size, requires \n+)
+ found by bentley@ in sbcl(1) Mon, 9 Dec 2013 18:36:57 -0700
- .ns (no-space mode) occurs in xine-config(1)
reported by brad@ Sat, 15 Jan 2011 15:45:23 -0500
-- xloadimage(1) wants .ti (temporary indent), rep by naddy@
-
- .ta (tab settings) occurs in ircbug(1) and probably 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
+
+- .ti (temporary indent)
+ found by naddy@ in xloadimage(1)
+ found by bentley@ in nmh(1) Mon, 23 Apr 2012 13:38:28 -0600
+
+- .while and .shift
+ found by jca@ in ratpoison(1) Sun, 30 Jun 2013 12:01:09 +0200
+
+- \c (interrupted text) should prevent the line break
+ even inside .Bd literal; that occurs in chat(8)
+ also found in cclive(1) - DocBook output
+
+- \h horizontal move
+ found in cclive(1) DocBook output
+ Anthony J. Bentley on discuss@ Sat, 21 Sep 2013 22:29:34 -0600
-- pod2man expects `tr' to be implemented for \*(-- to work
+- \n+ and \n- numerical register increment and decrement
+ found by bentley@ in sbcl(1) Mon, 9 Dec 2013 18:36:57 -0700
-- \c (interrupted text) occurs in chat(8)
+- \w'' 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
+
+- using undefined strings or macros defines them to be empty
+ wl@ Mon, 14 Nov 2011 14:37:01 +0000
--- missing mdoc features ----------------------------------------------
because libmdoc does not yet use mandoc_getarg().
Also check what happens in plain text, it must be identical to \e.
+- .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.
+
- .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).
- explicitly disallow nested `Bl -column', which would clobber internal
flags defined for struct mdoc_macro
+- In .Bl -column .It, the end of the line probably has to be regarded
+ as an implicit .Ta, if there could be one, see the following mildly
+ ugly code from login.conf(5):
+ .Bl -column minpasswordlen program xetcxmotd
+ .It path Ta path Ta value of Dv _PATH_DEFPATH
+ .br
+ Default search path.
+ reported by Michal Mazurek <akfaew at jasminek dot net>
+ via jmc@ Thu, 7 Apr 2011 16:00:53 +0059
+
- inside `.Bl -column' phrases, punctuation is handled like normal
text, e.g. `.Bl -column .It Fl x . Ta ...' should give "-x -."
- have a blank `It' head for `Bl -tag' not puke
+- check whether it is correct that `D1' uses INDENT+1;
+ does it need its own constant?
+
- 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)
---- missing man features -----------------------------------------------
+- support translated section names
+ e.g. x11/scrotwm scrotwm_es.1:21:2: error: NAME section must be first
+ that one uses NOMBRE because it is spanish...
+ deraadt tends to think that section-dependent macro behaviour
+ is a bad idea in the first place, so this may be irrelevant
-- bashbug(1) complains "line scope broken" after
- .SM
- .B something
- should either just work or be a warning
- reported by naddy@
+- When there is free text in the SYNOPSIS and that free text contains
+ the .Nm macro, groff somehow understands to treat the .Nm as an in-line
+ macro, while mandoc treats it as a block macro and breaks the line.
+ No idea how the logic for distinguishing in-line and block instances
+ should be, needs investigation.
+ uqs@ Thu, 2 Jun 2011 11:03:51 +0200
+ uqs@ Thu, 2 Jun 2011 11:33:35 +0200
-- groff an-ext.tmac macros (.UR, .UE) occur in xine(5)
- reported by brad@ Sat, 15 Jan 2011 15:45:23 -0500
+--- missing man features -----------------------------------------------
+
+- -T[x]html doesn't stipulate non-collapsing spaces in literal mode
--- missing tbl features -----------------------------------------------
-- implement basic non-parametric .de to support e.g. sox(1)
- reported by naddy@ Sat, 16 Oct 2010 23:51:57 +0200
- *** sox(1) still doesn't work, tbl(1) errors need investigation
+- look at the POSIX manuals in the books/man-pages-posix port,
+ they use some unsupported tbl(7) features.
+
+- investigate tbl(1) errors in sox(1)
+ see also naddy@ Sat, 16 Oct 2010 23:51:57 +0200
+
+- allow standalone `.' to be interpreted as an end-of-layout
+ delimiter instead of being thrown away as a no-op roff line
+ reported by Yuri Pankov, Wed 18 May 2011 11:34:59 CEST
+
+--- missing eqn features -----------------------------------------------
+
+- set, delim, fonts
+
+- The "size" keyword is parsed, but ignored by the formatter.
+
+- The spacing characters `~', `^', and tab are currently ignored,
+ see User's Guide (Second Edition) page 2 section 4.
+
+- Mark and lineup are parsed and ignored,
+ see User's Guide (Second Edition) page 5 section 15.
--- missing misc features ----------------------------------------------
+- italic correction (\/) in PostScript mode
+ Werner LEMBERG on groff at gnu dot org Sun, 10 Nov 2013 12:47:46
+
+- When makewhatis(8) encounters a FATAL parse error,
+ it silently treats the file as formatted, which makes no sense
+ at all for paths like man1/foo.1 - and which also contradicts
+ what the manual says at the end of the description.
+ The end result will be ENOENT for file names returned
+ by mansearch() in manpage.file.
+
+- makewhatis(8) for preformatted pages:
+ parse the section number from the header line
+ and compare to the section number from the directory name
+
+- Does makewhatis(8) detect missing NAME sections, missing names,
+ and missing descriptions in all the file formats?
+
- clean up escape sequence handling, creating three classes:
(1) fully implemented, or parsed and ignored without loss of content
(2) unimplemented, potentially causing loss of content
see textproc/mgdiff(1) for nice examples
(3) undefined, just output the character -> perhaps WARNING
-- The \t escape sequence is the same as a literal tab, see for example
- the ASCII table in hexdump(1) where
- .Bl -column \&000_nu \&001_so \&002_st \&003_et \&004_eo
- .It \&000\ nul\t001\ soh\t002\ stx\t003\ etx\t004\ eot\t005\ enq
- produces
- 000 nul 001 soh 002 stx 003 etx 004 eot 005 enq
- and the example in oldrdist(1)
+- kettenis wants base roff, ms, and me Fri, 1 Jan 2010 22:13:15 +0100 (CET)
+
+--- compatibility checks -----------------------------------------------
+
+- is .Bk implemented correctly in modern groff?
+ sobrado@ Tue, 19 Apr 2011 22:12:55 +0200
+
+- compare output to Heirloom roff, Solaris roff, and
+ http://repo.or.cz/w/neatroff.git http://litcave.rudi.ir/
+
+- look at AT&T DWB http://www2.research.att.com/sw/download
+ Carsten Kunze <carsten dot kunze at arcor dot de> has patches
+ Mon, 4 Aug 2014 17:01:28 +0200
- look at pages generated from reStructeredText, e.g. devel/mercurial hg(1)
These are a weird mixture of man(7) and custom autogenerated low-level
noted by stsp@ Sat, 24 Apr 2010 09:17:55 +0200
reminded by nicm@ Mon, 3 May 2010 09:52:41 +0100
+- look at pages generated from ronn(1) github.com/rtomayko/ronn
+ (based on markdown)
+
+- look at pages generated from Texinfo source by yat2m, e.g. security/gnupg
+ First impression is not that bad.
+
+- look at pages generated by pandoc; see
+ https://github.com/jgm/pandoc/blob/master/src/Text/Pandoc/Writers/Man.hs
+ porting planned by kili@ Thu, 19 Jun 2014 19:46:28 +0200
+
- check compatibility with Plan9:
http://swtch.com/usr/local/plan9/tmac/tmac.an
http://swtch.com/plan9port/man/man7/man.html
"Anthony J. Bentley" <anthonyjbentley@gmail.com> 28 Dec 2010 21:58:40 -0700
+- check compatibility with the man(7) formatter
+ https://raw.githubusercontent.com/rofl0r/hardcore-utils/master/man.c
+
************************************************************************
* formatting issues: ugly output
************************************************************************
-- double quotes inside double quotes are escaped by doubling them
- implement this in mdoc(7), too
- so far, we only have it in roff(7) and man(7)
- reminded by millert@ Thu, 09 Dec 2010 17:29:52 -0500
-
-- perl(1) SYNOPSIS looks bad; reported by deraadt@
- 1) man(7) seems to need SYNOPSIS .Nm blocks, too
+- a column list with blank `Ta' cells triggers a spurrious
+ start-with-whitespace printing of a newline
- In .Bl -column,
.It Em Authentication<tab>Key Length
ought to render "Key Length" with emphasis, too,
see OpenBSD iked.conf(5).
+ reported again Nicolas Joly via wiz@ Wed, 12 Oct 2011 00:20:00 +0200
- empty phrases in .Bl column produce too few blanks
try e.g. .Bl -column It Ta Ta
of in_line() - put trailing punctuation out of scope.
Found in mount_nfs(8) and exports(5), search for "Appendix".
+- Trailing punctuation after .%T triggers EOS spacing, at least
+ outside .Rs (eek!). Simply setting ARGSFL_DELIM for .%T is not
+ the right solution, it sends mandoc into an endless loop.
+ reported by Nicolas Joly Sat, 17 Nov 2012 11:49:54 +0100
+
+- global variables in the SYNOPSIS of section 3 pages
+ .Vt vs .Vt/.Va vs .Ft/.Va vs .Ft/.Fa ...
+ from kristaps@ Tue, 08 Jun 2010 11:13:32 +0200
+
- in enclosures, mandoc sometimes fancies a bogus end of sentence
reminded by jmc@ Thu, 23 Sep 2010 18:13:39 +0059
+- 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
+
+--- PDF issues ---------------------------------------------------------
+
+- PDF output doesn't use a monospaced font for .Bd -literal
+ Example: "mandoc -Tpdf afterboot.8 > output.pdf && pdfviewer output.pdf".
+ Search the text "Routing tables".
+ Also check what PostScript mode does when fixing this.
+ reported by juanfra@ Wed, 04 Jun 2014 21:44:58 +0200
+
+--- HTML issues --------------------------------------------------------
+
+- <dl><dt><dd> formatting is ugly
+ hints are easy to find on the web, e.g.
+ http://stackoverflow.com/questions/1713048/
+ see also matthew@ Fri, 18 Jul 2014 19:25:12 -0700
+
+- 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...
+ Observed by an Anonymous Coward on undeadly.org:
+ http://undeadly.org/cgi?action=article&sid=20140925064244&pid=1
+
+- consider whether <var> can be used for Ar Dv Er Ev Fa Va.
+ from bentley@ Wed, 13 Aug 2014 09:17:55 -0600
+
+- check https://github.com/trentm/mdocml
+
+--- eqn issues ---------------------------------------------------------
+
+- If .EQ follows preceding text, a space should be output between the
+ text and the equation.
+
************************************************************************
-* formatting issues: gratuitious differences
+* formatting issues: gratuitous differences
************************************************************************
- .Rv (and probably .Ex) print different text if an `Nm' has been named
is just "o\bo".
see for example OpenBSD ksh(1)
-- The characters "|" and "\*(Ba" should never be bold,
- not even in the middle of a word, e.g. ".Cm b\*(Bac" in
- "mknod [-m mode] name b|c major minor"
- in OpenBSD ksh(1)
+- 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
-- A bogus .Pp between two .It must not produce a double blank line,
- see between -R and -r in OpenBSD rm(1), before "update" in mount(8),
- or in DIAGNOSTICS in init(8), or before "is always true" in ksh(1).
- The same happens with .Pp just before .El, see bgpd.conf(5).
- Also have `It' complain if `Pp' is invoked at certain times (not
- -compact?).
+- .Pp between two .It in .Bl -column should produce one,
+ not two blank lines, see e.g. login.conf(5).
+ reported by jmc@ Sun, 17 Apr 2011 14:04:58 +0059
+ reported again by sthen@ Wed, 18 Jan 2012 02:09:39 +0000 (UTC)
- If the *first* line after .It is .Pp, break the line right after
the tag, do not pad with space characters before breaking.
in between, see for example tmux(1).
reported by nicm@ 13 Jan 2011 00:18:57 +0000
+- Trailing punctuation after .It should trigger EOS spacing.
+ reported by Nicolas Joly Sat, 17 Nov 2012 11:49:54 +0100
+ Probably, this should be fixed somewhere in termp_it_pre(), not sure.
+
- .Nx 1.0a
should be "NetBSD 1.0A", not "NetBSD 1.0a",
see OpenBSD ccdconfig(8).
-- The space character joining .Dx .Fx .Nx .Ox (are these all?) to its
- argument is non-breaking. See the cdio(1) HISTORY and many others.
-
-- .Bx uses a dash before its argument, not a space,
- see for example the chpass(1) and column(1) HISTORY.
- Besides, the second argument is capitalized, for example,
- .Bx 4.3 tahoe .
- produces 4.3BSD-Tahoe.
-
- 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).
.Bl -tag -width ".Dv message"
in magic(5), located in src/usr.bin/file, is the same
as -width 7n, not -width 11n.
+ 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
+ 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.
- The \& zero-width character counts as output.
That is, when it is alone on a line between two .Pp,
we want three blank lines, not two as in mandoc.
-- When .Fn arguments exceed one output line, all but the first
- should be indented, see e.g. rpc(3);
- reported by jmc@ on discuss@ Fri, 29 Oct 2010 13:48:33 +0100
-
-- .Ns should only be effective when called by another macro,
- not as a stand-alone macro at the beginning of a line;
- see for example the awk(1) SYNOPSIS.
-
-- .Ns should work when called at the end of an input line, see
- the following code in vi(1):
- .It Xo
- .Op Ar line
- .Cm a Ns Op Cm ppend Ns
- .Op Cm !\&
- .Xc
- The input text is appended after the specified line.
-
- Header lines of excessive length:
Port OpenBSD man_term.c rev. 1.25 to mdoc_term.c
and document it in mdoc(7) and man(7) COMPATIBILITY
found while talking to Chris Bennett
-- In man(7), the sequence
- .HP
- one line of regular text
- .SH
- should not produce two blank lines before the .SH,
- see for example named-checkconf(8).
-
-- In man(7), the sequence
- regular text
- .RS
- .IP
- should have a blank line between the text and the beginning of the
- indented paragraph, see for example sudo(1).
-
-- At least sometimes, .sp is ignored right after .SH; see named.conf(5).
-
- trailing whitespace must be ignored even when followed by a font escape,
see for example
makes
in dig(1).
************************************************************************
-* error reporting issues
+* warning issues
************************************************************************
+- check that MANDOCERR_BADTAB is thrown in the right cases,
+ i.e. when finding a literal tab character in fill mode,
+ and possibly change the wording of the warning message
+ to refer to fill mode, not literal mode
+ See the mail from Werner LEMBERG on the groff list,
+ Fri, 14 Feb 2014 18:54:42 +0100 (CET)
+
+- warn about "new sentence, new line"
+
+- mandoc_special does not really check the escape sequence,
+ but just the overall format
+
+- integrate mdoclint into mandoc ("end-of-line whitespace" thread)
+ from jmc@ Mon, 13 Jul 2009 17:12:09 +0100
+ from kristaps@ Mon, 13 Jul 2009 18:34:53 +0200
+ from jmc@ Mon, 13 Jul 2009 17:45:37 +0059
+ from kristaps@ Mon, 13 Jul 2009 19:02:03 +0200
+
+- -Tlint parser errors and warnings to stdout
+ to tech@mdocml, naddy@ Wed, 28 Sep 2011 11:21:46 +0200
+ wait! kristaps@ Sun, 02 Oct 2011 17:12:52 +0200
+
+- for system errors, use errno/strerror/warn/err
+
+************************************************************************
+* documentation issues
+************************************************************************
+
+- mention hyphenation rules:
+ breaking at letter-letter in text mode (not macro args)
+ proper hyphenation is unimplemented
+
+- talk about spacing around delimiters
+ to jmc@, kristaps@ Sat, 23 Apr 2011 17:41:27 +0200
+
+- mark macros as: page structure domain, manual domain, general text domain
+ is this useful?
+
+- mention /usr/share/misc/mdoc.template in mdoc(7)?
+
************************************************************************
* performance issues
************************************************************************
+- Why are we using MAP_SHARED, not MAP_PRIVATE for mmap(2)?
+ How does SQLITE_CONFIG_PAGECACHE actually work? Document it!
+ 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
+- instead of re-initialising the roff predefined-strings set before each
+ parse, create a read-only version the first time and copy it
+
************************************************************************
* structural issues
************************************************************************
+- We use the input line number at several places to distinguish
+ 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.
+ Decide which formats should be recognized where.
+ Update both mdoc(7) and man(7) documentation.
+ Triggered by Tim van der Molen Tue, 22 Feb 2011 20:30:45 +0100
+
+- Consider creating some views that will make the database more
+ readable from the sqlite3 shell. Consider using them to
+ abstract from the database structure, too.
+ suggested by espie@ Sat, 19 Apr 2014 14:52:57 +0200
+
+************************************************************************
+* CGI issues
+************************************************************************
+
+ - Enable HTTP compression by detecting gzip encoding and filtering
+ output through libz.
+ - Sandbox (see OpenSSH).
+ - Enable caching support via HTTP 304 and If-Modified-Since.
+ - Allow for cgi.h to be overridden by CGI environment variables.
+ Otherwise, binary distributions will inherit the compile-time
+ behaviour, which is not optimal.
+ - Have Mac OSX systems automatically disable -static compilation of the
+ CGI: -static isn't supported.
+
git.ckatri.com / mandoc.git / blobdiff