Grrr, patch(1) merged the new function to the wrong place in this file.

[mandoc.git] / TODO

diff --git a/TODO b/TODO
index 26f42c23b4174286f797efdc2c8bf539bfd64ac6..d2b222d24d00c81baaced7fab618b906b40a7e50 100644 (file)
--- a/TODO
+++ b/TODO
@@ -1,13 +1,45 @@
 ************************************************************************
 * Official mandoc TODO.
 ************************************************************************
 * Official mandoc TODO.

-* $Id: TODO,v 1.162 2013/12/25 14:40:34 schwarze Exp $
+* $Id: TODO,v 1.186 2014/10/25 01:01:12 schwarze Exp $

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

+Many issues are annotated for difficulty as follows:
+
+ - loc = locality of the issue
+    *    single file issue, affects file only, or very few
+    **   single module issue, affects several files of one module
+    ***  cross-module issue, significantly impacts multiple modules
+         and may require substantial changes to internal interfaces
+ - exist = difficulty of the existing code in this area
+    *    affected code is straightforward and easy to read and change
+    **   affected code is somewhat complex, but once you understand
+         the design, not particularly difficult to understand
+    ***  affected code uses a special, exceptionally tricky design
+ - algo = difficulty of the new algorithm to be written
+    *    the required logic and code is straightforward
+    **   the required logic is somewhat complex and needs a careful design
+    ***  the required logic is exceptionally tricky,
+         maybe an approach to solve that is not even known yet
+ - size = the amount of code to be written or changed
+    *    a small number of lines (at most 100, usually much less)
+    **   a considerable amount of code (several dozen to a few hundred)
+    ***  a large amount of code (many hundreds, maybe thousands)
+ - imp = importance of the issue
+    *    mostly for completeness
+    **   would be nice to have
+    ***  issue causes considerable inconvenience
+
+Obviously, as the issues have not been solved yet, these annotations
+are mere guesses, and some may be wrong.
+

 ************************************************************************
 * crashes
 ************************************************************************
 
 ************************************************************************
 * crashes
 ************************************************************************
 

-None known.
+- 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.
+  loc **  exist *  algo *  size **  imp **

 
 ************************************************************************
 * missing features
 
 ************************************************************************
 * missing features


@@ -15,11 +47,6 @@ None known.
 
 --- missing roff features ----------------------------------------------
 
 
 --- missing roff features ----------------------------------------------
 

-- roff.c should treat \n(.H>23 and \n(.V>19 in the pod2man(1)
-  preamble as true, see for example AUTHORS in MooseX::Getopt.3p
-  reported by Andreas Voegele <mail at andreasvoegele dot com>
-  Tue, 22 Nov 2011 15:34:47 +0100 on ports@
-

 - .ad (adjust margins)
   .ad l -- adjust left margin only (flush left)
   .ad r -- adjust right margin only (flush right)
 - .ad (adjust margins)
   .ad l -- adjust left margin only (flush left)
   .ad r -- adjust right margin only (flush right)


@@ -28,55 +55,62 @@ None known.
   .na   -- temporarily disable adjustment without changing the mode
   .ad   -- re-enable adjustment without changing the mode
   Adjustment mode is ignored while in no-fill mode (.nf).
   .na   -- temporarily disable adjustment without changing the mode
   .ad   -- re-enable adjustment without changing the mode
   Adjustment mode is ignored while in no-fill mode (.nf).

-
-- .as (append to string)
-  found by jca@ in ratpoison(1)  Sun, 30 Jun 2013 12:01:09 +0200
-  
-- .ce (center N lines)
-  found by naddy@ in xloadimage(1)
-  found by Juan Francisco Cantero Hurtado <iam at juanfra dot info>
-           in lang/racket(1)  Thu, 20 Jun 2013 03:19:11 +0200
+  loc ***  exist ***  algo **  size **  imp **  (parser reorg would help)

 
 - .fc (field control)
   found by naddy@ in xloadimage(1)
 
 - .fc (field control)
   found by naddy@ in xloadimage(1)

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

   
   

-- .ll (line length)
-  found by naddy@ in textproc/enchant(1)  Sat, 12 Oct 2013 03:27:10 +0200
-

 - .nr third argument (auto-increment step size, requires \n+)
   found by bentley@ in sbcl(1)  Mon, 9 Dec 2013 18:36:57 -0700
 - .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)
   reported by brad@  Sat, 15 Jan 2011 15:45:23 -0500
 
 - .ns (no-space mode) occurs in xine-config(1)
   reported by brad@  Sat, 15 Jan 2011 15:45:23 -0500

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

 
 - .ta (tab settings) occurs in ircbug(1) and probably gnats(1)
   reported by brad@  Sat, 15 Jan 2011 15:50:51 -0500
 
 - .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
+  loc **  exist ***  algo **  size **  imp **

 
 - .ti (temporary indent)
   found by naddy@ in xloadimage(1)
   found by bentley@ in nmh(1)  Mon, 23 Apr 2012 13:38:28 -0600
 
 - .ti (temporary indent)
   found by naddy@ in xloadimage(1)
   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
 
 - .while and .shift 
   found by jca@ in ratpoison(1)  Sun, 30 Jun 2013 12:01:09 +0200

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

 
 - \c (interrupted text) should prevent the line break
   even inside .Bd literal; that occurs in chat(8)
   also found in cclive(1) - DocBook output
 
 - \c (interrupted text) should prevent the line break
   even inside .Bd literal; that occurs in chat(8)
   also found in cclive(1) - DocBook output

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

 
 - \h horizontal move
   found in cclive(1) DocBook output
   Anthony J. Bentley on discuss@  Sat, 21 Sep 2013 22:29:34 -0600
 
 - \h horizontal move
   found in cclive(1) DocBook output
   Anthony J. Bentley on discuss@  Sat, 21 Sep 2013 22:29:34 -0600

+  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
 
 - \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 **
+
+- \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 ***

 
 - using undefined strings or macros defines them to be empty
   wl@  Mon, 14 Nov 2011 14:37:01 +0000
 
 - using undefined strings or macros defines them to be empty
   wl@  Mon, 14 Nov 2011 14:37:01 +0000

+  loc *  exist *  algo *  size *  imp *

 
 --- missing mdoc features ----------------------------------------------
 
 - fix bad block nesting involving multiple identical explicit blocks
   see the OpenBSD mdoc_macro.c 1.47 commit message
 
 --- missing mdoc features ----------------------------------------------
 
 - fix bad block nesting involving multiple identical explicit blocks
   see the OpenBSD mdoc_macro.c 1.47 commit message

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

 
 - .Bl -column .Xo support is missing
   ultimate goal:
 
 - .Bl -column .Xo support is missing
   ultimate goal:


@@ -84,10 +118,12 @@ None known.
   lib/libc/compat-43/sigvec.3
   lib/libc/gen/signal.3
   lib/libc/sys/sigaction.2
   lib/libc/compat-43/sigvec.3
   lib/libc/gen/signal.3
   lib/libc/sys/sigaction.2

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

 
 - edge case: decide how to deal with blk_full bad nesting, e.g.
   .Sh .Nm .Bk .Nm .Ek .Sh found by jmc@ in ssh-keygen(1)
   from jmc@  Wed, 14 Jul 2010 18:10:32 +0100
 
 - edge case: decide how to deal with blk_full bad nesting, e.g.
   .Sh .Nm .Bk .Nm .Ek .Sh found by jmc@ in ssh-keygen(1)
   from jmc@  Wed, 14 Jul 2010 18:10:32 +0100

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

 
 - \\ is now implemented correctly
   * when defining strings and macros using .ds and .de
 
 - \\ is now implemented correctly
   * when defining strings and macros using .ds and .de


@@ -96,17 +132,27 @@ None known.
   because libmdoc does not yet use mandoc_getarg().
   Also check what happens in plain text, it must be identical to \e.
 
   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.
+  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).
 - .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).

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

 
 - implement blank `Bl -column', such as
   .Bl -column
   .It foo Ta bar
   .El
 
 - implement blank `Bl -column', such as
   .Bl -column
   .It foo Ta bar
   .El

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

 
 - explicitly disallow nested `Bl -column', which would clobber internal
   flags defined for struct mdoc_macro
 
 - explicitly disallow nested `Bl -column', which would clobber internal
   flags defined for struct mdoc_macro

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

 
 - 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
 
 - 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


@@ -117,6 +163,7 @@ None known.
     Default search path.
   reported by Michal Mazurek <akfaew at jasminek dot net>
   via jmc@ Thu, 7 Apr 2011 16:00:53 +0059
     Default search path.
   reported by Michal Mazurek <akfaew at jasminek dot net>
   via jmc@ Thu, 7 Apr 2011 16:00:53 +0059

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

 
 - inside `.Bl -column' phrases, punctuation is handled like normal
   text, e.g. `.Bl -column .It Fl x . Ta ...' should give "-x -."
 
 - inside `.Bl -column' phrases, punctuation is handled like normal
   text, e.g. `.Bl -column .It Fl x . Ta ...' should give "-x -."


@@ -126,13 +173,26 @@ None known.
   but should give "ab ."
 
 - set a meaningful default if no `Bl' list type is assigned
   but should give "ab ."
 
 - set a meaningful default if no `Bl' list type is assigned

+  loc *  exist *  algo *  size *  imp **  (already done?)

 
 - have a blank `It' head for `Bl -tag' not puke
 
 - have a blank `It' head for `Bl -tag' not puke

+  loc *  exist *  algo *  size *  imp **  (already done?)
+
+- 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)
 
 
 - 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)
 

+- 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
+  loc **  exist **  algo **  size *  imp **
+

 - 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.
 - 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.


@@ -140,39 +200,63 @@ None known.
   should be, needs investigation.
   uqs@  Thu, 2 Jun 2011 11:03:51 +0200
   uqs@  Thu, 2 Jun 2011 11:33:35 +0200
   should be, needs investigation.
   uqs@  Thu, 2 Jun 2011 11:03:51 +0200
   uqs@  Thu, 2 Jun 2011 11:33:35 +0200

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

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

-- groff an-ext.tmac macros (.UR, .UE) occur in xine(5)
-  reported by brad@  Sat, 15 Jan 2011 15:45:23 -0500
-  also occur in freeciv-client(6) freeciv-server(6) freeciv-modpack(6)
-  reported by bentley@  Tue, 30 Oct 2012 01:05:57 -0600
-

 - -T[x]html doesn't stipulate non-collapsing spaces in literal mode
 
 --- missing tbl 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.
+  loc *  exist **  algo **  size **  imp ***
+
+- 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 **

 
 - 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
 
 - 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

+  loc **  exist **  algo **  size *  imp **
+
+--- missing eqn features -----------------------------------------------
+
+- The "size" keyword is parsed, but ignored by the formatter.
+  loc *  exist *  algo *  size *  imp *
+
+- The spacing characters `~', `^', and tab are currently ignored,
+  see User's Guide (Second Edition) page 2 section 4.
+  loc *  exist *  algo **  size *  imp **
+
+- Mark and lineup are parsed and ignored,
+  see User's Guide (Second Edition) page 5 section 15.
+  loc **  exist **  algo **  size **  imp **

 
 --- missing misc features ----------------------------------------------
 
 - italic correction (\/) in PostScript mode
   Werner LEMBERG on groff at gnu dot org  Sun, 10 Nov 2013 12:47:46
 
 --- missing misc features ----------------------------------------------
 
 - 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 *
+
+- 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.
+  loc *  exist *  algo *  size *  imp **
+
+- makewhatis(8) for preformatted pages:
+  parse the section number from the header line
+  and compare to the section number from the directory name
+  loc *  exist *  algo *  size *  imp **

 
 

-- The whatis(1) utility looks for whole words in Nm.
-  If the file name of a page does not agree with the contents of any
-  of its Nm macros (e.g. pool(9)), add the file name as an Nm entry
-  to the mandoc.db as well, such that whatis(1) finds it.
-  If there is a page with a file name that does not appear as a substring
-  neither in Nm nor in Nd, the same fix would allow finding that page
-  with apropos(1) using the file name as a key, as well.
-  Issue reported by tedu@  Fri, 05 Jul 2013 21:15:23 -0400
+- Does makewhatis(8) detect missing NAME sections, missing names,
+  and missing descriptions in all the file formats?
+  loc *  exist *  algo *  size *  imp ***

 
 - clean up escape sequence handling, creating three classes:
   (1) fully implemented, or parsed and ignored without loss of content
 
 - clean up escape sequence handling, creating three classes:
   (1) fully implemented, or parsed and ignored without loss of content


@@ -180,6 +264,22 @@ None known.
       or serious mangling of formatting (e.g. \n) -> ERROR
       see textproc/mgdiff(1) for nice examples
   (3) undefined, just output the character -> perhaps WARNING
       or serious mangling of formatting (e.g. \n) -> ERROR
       see textproc/mgdiff(1) for nice examples
   (3) undefined, just output the character -> perhaps WARNING

+  loc ***  exist **  algo **  size **  imp *** (parser reorg helps)
+
+- kettenis wants base roff, ms, and me  Fri, 1 Jan 2010 22:13:15 +0100 (CET)
+  loc **  exist **  algo **  size ***  imp *
+
+--- 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
 
 - 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


@@ -188,14 +288,29 @@ None known.
   noted by stsp@  Sat, 24 Apr 2010 09:17:55 +0200
   reminded by nicm@  Mon, 3 May 2010 09:52:41 +0100
 
   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 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 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
+
+- check compatibility with
+  http://ikiwiki.info/plugins/contrib/mandoc/
+  https://github.com/schmonz/ikiwiki/compare/mandoc
+  Amitai Schlair  Mon, 19 May 2014 14:05:53 -0400
+

 ************************************************************************
 * formatting issues: ugly output
 ************************************************************************
 ************************************************************************
 * formatting issues: ugly output
 ************************************************************************


@@ -208,10 +323,12 @@ None known.
   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
   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

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

 
 - empty phrases in .Bl column produce too few blanks
   try e.g. .Bl -column It Ta Ta
   reported by millert Fri, 02 Apr 2010 16:13:46 -0400
 
 - empty phrases in .Bl column produce too few blanks
   try e.g. .Bl -column It Ta Ta
   reported by millert Fri, 02 Apr 2010 16:13:46 -0400

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

 
 - .%T can have trailing punctuation.  Currently, it puts the trailing
   punctuation into a trailing MDOC_TEXT element inside its own scope.
 
 - .%T can have trailing punctuation.  Currently, it puts the trailing
   punctuation into a trailing MDOC_TEXT element inside its own scope.


@@ -221,19 +338,58 @@ None known.
   slurp all arguments into one single text element - and one feature
   of in_line() - put trailing punctuation out of scope.
   Found in mount_nfs(8) and exports(5), search for "Appendix".
   slurp all arguments into one single text element - and one feature
   of in_line() - put trailing punctuation out of scope.
   Found in mount_nfs(8) and exports(5), search for "Appendix".

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

 
 - 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
 
 - 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

+  loc *  exist **  algo **  size *  imp **
+
+- 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
 
 - 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 ***

 
 - 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
 
 
 - 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
+  instructions from juanfra@  Wed, 11 Jun 2014 02:21:01 +0200
+    add a new <</Type /Font>> block to the PDF files with /BaseFont /Courier
+    and change the /Name from /F0 to the new font (/F5 (?)).
+  loc *  exist **  algo **  size *  imp **
+
+--- 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
+  loc *  exist *  algo **  size *  imp ***
+
+- 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
+  loc *  exist *  algo **  size *  imp ***
+
+- 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
+

 ************************************************************************
 * formatting issues: gratuitous differences
 ************************************************************************
 ************************************************************************
 * formatting issues: gratuitous differences
 ************************************************************************


@@ -241,35 +397,48 @@ None known.
 - .Rv (and probably .Ex) print different text if an `Nm' has been named
   or not (run a manual without `Nm blah' to see this).  I'm not sure
   that this exists in the wild, but it's still an error.
 - .Rv (and probably .Ex) print different text if an `Nm' has been named
   or not (run a manual without `Nm blah' to see this).  I'm not sure
   that this exists in the wild, but it's still an error.

+  loc *  exist *  algo *  size *  imp * (already done?)

 
 - In .Bl -bullet, the groff bullet is "+\b+\bo\bo", the mandoc bullet
 
 - In .Bl -bullet, the groff bullet is "+\b+\bo\bo", the mandoc bullet

-  is just "o\bo".
+  is just "o\bo".  The problem is to not break ps/pdf when fixing.

   see for example OpenBSD ksh(1)
   see for example OpenBSD ksh(1)

+  loc **  exist **  algo **  size *  imp **
+
+- 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
+  loc *  exist **  algo **  size *  imp **

 
 - .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)
 
 - .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)

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

 
 - If the *first* line after .It is .Pp, break the line right after
   the tag, do not pad with space characters before breaking.
   See the description of the a, c, and i commands in sed(1).
 
 - If the *first* line after .It is .Pp, break the line right after
   the tag, do not pad with space characters before breaking.
   See the description of the a, c, and i commands in sed(1).

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

 
 - If the first line after .It is .D1, do not assert a blank line
   in between, see for example tmux(1).
   reported by nicm@  13 Jan 2011 00:18:57 +0000
 
 - If the first line after .It is .D1, do not assert a blank line
   in between, see for example tmux(1).
   reported by nicm@  13 Jan 2011 00:18:57 +0000

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

 
 - 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.
 
 - 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.

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

 
 - .Nx 1.0a
   should be "NetBSD 1.0A", not "NetBSD 1.0a",
   see OpenBSD ccdconfig(8).
 
 - .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).
 
 - 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
 
 - When the -width string contains macros, the macros must be rendered
   before measuring the width, for example


@@ -279,17 +448,21 @@ None known.
   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
   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

+  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.
   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.

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

 
 - 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.
 
 - 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.

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

 
 - 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
 
 - 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

+  loc *  exist *  algo *  size *  imp *

 
 - trailing whitespace must be ignored even when followed by a font escape,
   see for example 
 
 - trailing whitespace must be ignored even when followed by a font escape,
   see for example 


@@ -297,11 +470,67 @@ None known.
     \fBdig \fR
     operate in batch mode
   in dig(1).
     \fBdig \fR
     operate in batch mode
   in dig(1).

+  loc **  exist **  algo **  size *  imp **
+
+************************************************************************
+* 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)
+  loc *  exist **  algo **  size *  imp **
+
+- warn about "new sentence, new line"
+  loc **  exist **  algo ***  size *  imp **
+
+- mandoc_special does not really check the escape sequence,
+  but just the overall format
+  loc **  exist **  algo ***  size **  imp **
+
+- 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
+  (mostly done, check what remains)
+
+- -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)?
+
+- Is all the content from http://www.std.com/obi/BSD/doc/usd/28.tbl/tbl
+  covered in tbl(7)?

 
 ************************************************************************
 * performance issues
 ************************************************************************
 
 
 ************************************************************************
 * 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)
 Several areas can be cleaned up to make mandoc even faster.  These are 
 
 - improve hashing mechanism for macros (quite important: performance)


@@ -312,6 +541,7 @@ Several areas can be cleaned up to make mandoc even faster.  These are
 
 - instead of re-initialising the roff predefined-strings set before each
   parse, create a read-only version the first time and copy it 
 
 - instead of re-initialising the roff predefined-strings set before each
   parse, create a read-only version the first time and copy it 

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

 
 ************************************************************************
 * structural issues
 
 ************************************************************************
 * structural issues


@@ -328,3 +558,26 @@ Several areas can be cleaned up to make mandoc even faster.  These are
   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
   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

+
+- struct mparse refactoring
+  Steffen Nurpmeso  Thu, 04 Sep 2014 12:50:00 +0200
+
+- 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.
+