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Diff for /mandoc/TODO between version 1.74 and 1.104

version 1.74, 2011/01/09 18:45:46 version 1.104, 2011/04/30 10:18:24
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 * parser bugs  * parser bugs
 ************************************************************************  ************************************************************************
   
   - .TP before .SH is still FATAL in man(7)
     reported by brad@  Sat, 15 Jan 2011 15:54:54 -0500
   
 - the roff parser doesn't tolerate additional characters between  - the roff parser doesn't tolerate additional characters between
   a macro and the \} terminating a conditional block, e.g.    a macro and the \} terminating a conditional block, e.g.
   .if n \{    .if n \{
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 * formatter bugs  * formatter bugs
 ************************************************************************  ************************************************************************
   
 - in literal mode, the man(7) -Tascii formatter  - tbl(7): Horizontal and vertical lines are formatted badly:
   breaks the line between macro arguments,    With the box option, there is too much white space at the end of cells.
   e.g. ".B #include <libintl.h>" in gettext(3)    Horizontal lines from "=" lines are a bit too long.
     yuri dot pankov at gmail dot com  Thu, 14 Apr 2011 05:45:26 +0400
   
 ************************************************************************  ************************************************************************
 * missing features  * missing features
 ************************************************************************  ************************************************************************
   
   --- missing roff features ----------------------------------------------
   
   - .ad (adjust margins)
     .ad l -- adjust left margin only (flush left)
     .ad r -- adjust right margin only (flush right)
     .ad c -- center text on line
     .ad b -- adjust both margins (alias: .ad n)
     .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).
   
   - .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
   
   - .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
   
 - pod2man expects `tr' to be implemented for \*(-- to work  - pod2man expects `tr' to be implemented for \*(-- to work
   
   - \c (interrupted text) occurs in chat(8)
   
   - \f(CW (constant width font) occurs in rsyncd.conf(5).
     I think we should treat unknown/unavailable fonts as \fR
     such that switching back with \fP works correctly -
     and doesn't revert the _previous_ \fP.
   
   --- missing mdoc features ----------------------------------------------
   
 - fix bad block nesting involving multiple identical explicit blocks  - fix bad block nesting involving multiple identical explicit blocks
   see the OpenBSD mdoc_macro.c 1.47 commit message    see the OpenBSD mdoc_macro.c 1.47 commit message
   
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   because libmdoc does not yet use mandoc_getarg().    because libmdoc does not yet use mandoc_getarg().
   Also check what happens in plain text, it must be identical to \e.    Also check what happens in plain text, it must be identical to \e.
   
 - implement basic non-parametric .de to support e.g. sox(1)  - .Bd -filled should not be the same as .Bd -ragged, but align both
   reported by naddy@ Sat, 16 Oct 2010 23:51:57 +0200    the left and right margin.  In groff, it is implemented in terms
   *** sox(1) still doesn't work, tbl(1) errors need investigation    of .ad b, which we don't have either.  Found in cksum(1).
   
 - 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  
       or serious mangling of formatting (e.g. \n) -> ERROR  
       see textproc/mgdiff(1) for nice examples  
   (3) undefined, just output the character -> perhaps WARNING  
   
 - 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  
   roff stuff.  Figure out to what extent we can cope.  
   noted by stsp@  Sat, 24 Apr 2010 09:17:55 +0200  
   reminded by nicm@  Mon, 3 May 2010 09:52:41 +0100  
   
 - implement blank `Bl -column', such as  - implement blank `Bl -column', such as
   .Bl -column    .Bl -column
   .It foo Ta bar    .It foo Ta bar
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 - explicitly disallow nested `Bl -column', which would clobber internal  - explicitly disallow nested `Bl -column', which would clobber internal
   flags defined for struct mdoc_macro    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  - inside `.Bl -column' phrases, punctuation is handled like normal
   text, e.g. `.Bl -column .It Fl x . Ta ...' should give "-x -."    text, e.g. `.Bl -column .It Fl x . Ta ...' should give "-x -."
   
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   (e.g., NetBSD mDNSShared/dns-sd.1)    (e.g., NetBSD mDNSShared/dns-sd.1)
   (mdoc_html.c and mdoc_term.c `Nm' handlers can be slightly simplified)    (mdoc_html.c and mdoc_term.c `Nm' handlers can be slightly simplified)
   
 - xloadimage(1) wants .ti (temporary indent), rep by naddy@  --- missing man features -----------------------------------------------
   
 - bashbug(1) complains "line scope broken" after  - .RS/.RE can be nested, see e.g. the x11/fluxbox manuals
   .SM    noticed by dcoppa@  Wed, Apr 13, 2011 at 04:58:14PM +0200:
   .B something  
   should either just work or be a warning  
   reported by naddy@  
   
   - groff an-ext.tmac macros (.UR, .UE) occur in xine(5)
     reported by brad@  Sat, 15 Jan 2011 15:45:23 -0500
   
   --- 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
   
   --- missing misc features ----------------------------------------------
   
   - 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
         or serious mangling of formatting (e.g. \n) -> ERROR
         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)
   
   - 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
     roff stuff.  Figure out to what extent we can cope.
     For details, see http://docutils.sourceforge.net/rst.html
     noted by stsp@  Sat, 24 Apr 2010 09:17:55 +0200
     reminded by nicm@  Mon, 3 May 2010 09:52:41 +0100
   
 - check compatibility with Plan9:  - check compatibility with Plan9:
   http://swtch.com/usr/local/plan9/tmac/tmac.an    http://swtch.com/usr/local/plan9/tmac/tmac.an
   http://swtch.com/plan9port/man/man7/man.html    http://swtch.com/plan9port/man/man7/man.html
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 * formatting issues: ugly output  * formatting issues: ugly output
 ************************************************************************  ************************************************************************
   
   - 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  - double quotes inside double quotes are escaped by doubling them
   implement this in mdoc(7), too    implement this in mdoc(7), too
   so far, we only have it in roff(7) and man(7)    so far, we only have it in roff(7) and man(7)
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   try e.g. .Bl -column It Ta Ta    try e.g. .Bl -column It Ta Ta
   reported by millert Fri, 02 Apr 2010 16:13:46 -0400    reported by millert Fri, 02 Apr 2010 16:13:46 -0400
   
   - .%T can have trailing punctuation.  Currently, it puts the trailing
     punctuation into a trailing MDOC_TEXT element inside its own scope.
     That element should rather be outside its scope, such that the
     punctuation does not get underlines.  This is not trivial to
     implement because .%T then needs some features of in_line_eoln() -
     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".
   
 - in enclosures, mandoc sometimes fancies a bogus end of sentence  - in enclosures, mandoc sometimes fancies a bogus end of sentence
   reminded by jmc@  Thu, 23 Sep 2010 18:13:39 +0059    reminded by jmc@  Thu, 23 Sep 2010 18:13:39 +0059
   
 ************************************************************************  ************************************************************************
 * formatting issues: gratuitious differences  * formatting issues: gratuitous differences
 ************************************************************************  ************************************************************************
   
 - .Rv (and probably .Ex) print different text if an `Nm' has been named  - .Rv (and probably .Ex) print different text if an `Nm' has been named
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 - A bogus .Pp between two .It must not produce a double blank line,  - 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),    see between -R and -r in OpenBSD rm(1), before "update" in mount(8),
   or in DIAGNOSTICS in init(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    Also have `It' complain if `Pp' is invoked at certain times (not
   -compact?).    -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
   
   - 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 .D1, do not assert a blank line
     in between, see for example tmux(1).
     reported by nicm@  13 Jan 2011 00:18:57 +0000
   
 - .Nx 1.0a  - .Nx 1.0a
   should be "NetBSD 1.0A", not "NetBSD 1.0a",    should be "NetBSD 1.0A", not "NetBSD 1.0a",
   see OpenBSD ccdconfig(8).    see OpenBSD ccdconfig(8).
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   on the next line, it must be indented by -width, not width+1;    on the next line, it must be indented by -width, not width+1;
   see "rule block|pass" in OpenBSD ifconfig(8).    see "rule block|pass" in OpenBSD ifconfig(8).
   
   - When the -width string contains macros, the macros must be rendered
     before measuring the width, for example
       .Bl -tag -width ".Dv message"
     in magic(5), located in src/usr.bin/file, is the same
     as -width 7n, not -width 11n.
   
 - The \& zero-width character counts as output.  - The \& zero-width character counts as output.
   That is, when it is alone on a line between two .Pp,    That is, when it is alone on a line between two .Pp,
   we want three blank lines, not two as in mandoc.    we want three blank lines, not two as in mandoc.
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   should be indented, see e.g. rpc(3);    should be indented, see e.g. rpc(3);
   reported by jmc@ on discuss@  Fri, 29 Oct 2010 13:48:33 +0100    reported by jmc@ on discuss@  Fri, 29 Oct 2010 13:48:33 +0100
   
   - .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:  - Header lines of excessive length:
   Port OpenBSD man_term.c rev. 1.25 to mdoc_term.c    Port OpenBSD man_term.c rev. 1.25 to mdoc_term.c
   and document it in mdoc(7) and man(7) COMPATIBILITY    and document it in mdoc(7) and man(7) COMPATIBILITY
   found while talking to Chris Bennett    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).
   
   - 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
       .PP
       .RS
       indented text
     should produce one blank line between the regular and indented texts,
     see for example rsync(1), and
       .RE
       <blank line>
       .PP
       .RS
     should produce two,not one blank lines.
     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
   
   - 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
       \fBdig \fR
       operate in batch mode
     in dig(1).
   
 ************************************************************************  ************************************************************************
   * error reporting issues
   ************************************************************************
   
   ************************************************************************
 * performance issues  * performance issues
 ************************************************************************  ************************************************************************
   
Line 187  Several areas can be cleaned up to make mandoc even fa
Line 360  Several areas can be cleaned up to make mandoc even fa
   
 - Find better ways to prevent endless loops  - Find better ways to prevent endless loops
   in roff(7) macro and string expansion.    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
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Removed from v.1.74  
changed lines
  Added in v.1.104
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