On Linux, wcwidth() needs _XOPEN_SOURCE, or just _GNU_SOURCE for simplicity.

[mandoc.git] / TODO

diff --git a/TODO b/TODO
index c0f87fb0bb44a31e57b1ba3662a3fffe5bd669f1..86fc6f6317e56e2127013af337579021008ed4dd 100644 (file)
--- a/TODO
+++ b/TODO
@@ -1,30 +1,15 @@
 ************************************************************************
 * Official mandoc TODO.
 ************************************************************************
 * Official mandoc TODO.

-* $Id: TODO,v 1.121 2011/09/18 16:43:28 schwarze Exp $
+* $Id: TODO,v 1.179 2014/08/18 13:27:47 kristaps Exp $

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

-* parser bugs
+* crashes

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

-- ".\}" on its own line gets translated to bare ".\&"
-  which forces pset() into man(7)
-  and then triggers an unknown macro error
-  reported by naddy@  Sun, 3 Jul 2011 21:52:24 +0200
-
-- .TP before .SH is still FATAL in man(7)
-  reported by brad@  Sat, 15 Jan 2011 15:54:54 -0500
-  also occurs in emulators/pcsxr/patches/patch-doc_pcsx_1
-  jeremy@  commit Wed, 7 Sep 2011 10:00:19 -0600 (MDT)
-
-************************************************************************
-* formatter bugs
-************************************************************************
-
-- tbl(7): Horizontal and vertical lines are formatted badly:
-  With the box option, there is too much white space at the end of cells.
-  Horizontal lines from "=" lines are a bit too long.
-  yuri dot pankov at gmail dot com  Thu, 14 Apr 2011 05:45:26 +0400
+- 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
 
 ************************************************************************
 * missing features


@@ -32,10 +17,6 @@
 
 --- missing roff features ----------------------------------------------
 
 
 --- missing roff features ----------------------------------------------
 

-- .if n \{
-  .br\}
-  should cause an extra space to be raised.
-

 - .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)


@@ -45,19 +26,43 @@
   .ad   -- re-enable adjustment without changing the mode
   Adjustment mode is ignored while in no-fill mode (.nf).
 
   .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
 
 
 - .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
 - .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) occurs in chat(8)
+- \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
+
+- \n+ and \n- numerical register increment and decrement
+  found by bentley@ in sbcl(1)  Mon, 9 Dec 2013 18:36:57 -0700
+
+- \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 ----------------------------------------------
 
 
 --- missing mdoc features ----------------------------------------------
 


@@ -82,6 +87,12 @@
   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.
+

 - .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).


@@ -115,10 +126,19 @@
 
 - have a blank `It' head for `Bl -tag' not puke
 
 
 - 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)
 
 - 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
+

 - 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.


@@ -129,16 +149,15 @@
 
 --- 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
-

 - -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.
+
+- 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
 
 - allow standalone `.' to be interpreted as an end-of-layout
   delimiter instead of being thrown away as a no-op roff line


@@ -146,6 +165,23 @@
 
 --- missing misc features ----------------------------------------------
 
 
 --- 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
 - 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


@@ -153,13 +189,19 @@
       see textproc/mgdiff(1) for nice examples
   (3) undefined, just output the character -> perhaps WARNING
 
       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
 
 - 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


@@ -168,11 +210,24 @@
   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 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
+

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


@@ -180,18 +235,11 @@
 - a column list with blank `Ta' cells triggers a spurrious
   start-with-whitespace printing of a newline
 
 - a column list with blank `Ta' cells triggers a spurrious
   start-with-whitespace printing of a newline
 

-- 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
-

 - In .Bl -column,
   .It Em Authentication<tab>Key Length
   ought to render "Key Length" with emphasis, too,
   see OpenBSD iked.conf(5).
 - 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
 
 - empty phrases in .Bl column produce too few blanks
   try e.g. .Bl -column It Ta Ta


@@ -206,9 +254,42 @@
   of in_line() - put trailing punctuation out of scope.
   Found in mount_nfs(8) and exports(5), search for "Appendix".
 
   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
 
 - 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
+
+- 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
 ************************************************************************


@@ -221,21 +302,14 @@
   is just "o\bo".
   see for example OpenBSD ksh(1)
 
   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)
-
-- 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?).
+- 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

 
 - .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
 
 - .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.
 
 - If the *first* line after .It is .Pp, break the line right after
   the tag, do not pad with space characters before breaking.


@@ -245,6 +319,10 @@
   in between, see for example tmux(1).
   reported by nicm@  13 Jan 2011 00:18:57 +0000
 
   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).
 - .Nx 1.0a
   should be "NetBSD 1.0A", not "NetBSD 1.0a",
   see OpenBSD ccdconfig(8).


@@ -258,68 +336,21 @@
     .Bl -tag -width ".Dv message"
   in magic(5), located in src/usr.bin/file, is the same
   as -width 7n, not -width 11n.
     .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.
 
 
 - 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
-  reported again by Nicolas Joly via wiz@  Sun, 18 Sep 2011 18:24:40 +0200
-  Also, we don't want to break the line within the argument of:
-  .Fa "chtype tl"
-
-- .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
 
 - 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
-    .SH HEADER
-    <blank line>
-    .PP
-    regular text
-  should not produce any blank lines between the header and the text,
-  see for example rsync(1).
-  Reported by naddy@  Mon, 28 Mar 2011 20:45:42 +0200
-
-- In man(7), the sequence
-    regular text
-    .IP
-    .IP "tag"
-    indented text
-  should produce one, not four blank lines between the regular text
-  and the tag, see for example rsync(1).
-  Likewise,
-    regular text
-    .IP
-    indented text
-  should produce one, not two blank lines in between, and
-    regular text
-    .IP
-    .RS
-    .IP tag
-    indented text
-  should produce one, not three blank lines.
-  Reported by naddy@  Mon, 28 Mar 2011 20:45:42 +0200
-

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


@@ -328,13 +359,57 @@
   in dig(1).
 
 ************************************************************************
   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
 ************************************************************************
 
 ************************************************************************
 * 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)


@@ -350,6 +425,10 @@ Several areas can be cleaned up to make mandoc even faster.  These are
 * structural issues
 ************************************************************************
 
 * 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.
  
 - Find better ways to prevent endless loops
   in roff(7) macro and string expansion.
  


@@ -357,3 +436,22 @@ 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

+
+- 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.