| version 1.20, 2010/07/02 10:43:21 |
version 1.169, 2014/04/23 16:08:33 |
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| ************************************************************************ |
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* Official mandoc TODO. |
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* $Id$ |
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************************************************************************ |
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* crashes |
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************************************************************************ |
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- The abort() in bufcat(), html.c, can be triggered via buffmt_includes() |
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by running -Thtml -Oincludes on a file containing a long .In argument. |
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Fixing this will probably require reworking the whole bufcat() concept. |
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************************************************************************ |
| * missing features |
* missing features |
| ************************************************************************ |
************************************************************************ |
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| - explicit blocks with missing end macro should be implicitely closed |
--- missing roff features ---------------------------------------------- |
| at the end of the enclosing block, e.g. .Bl It (El) Sh |
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| reminded by stsp@ in net/pptp pptp.8 Fri, 23 Apr 2010 20:32:39 +0200 |
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| - fix bad block nesting involving multiple identical explicit blocks |
- .ad (adjust margins) |
| see the OpenBSD mdoc_macro.c 1.47 commit message |
.ad l -- adjust left margin only (flush left) |
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.ad r -- adjust right margin only (flush right) |
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.ad c -- center text on line |
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.ad b -- adjust both margins (alias: .ad n) |
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.na -- temporarily disable adjustment without changing the mode |
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.ad -- re-enable adjustment without changing the mode |
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Adjustment mode is ignored while in no-fill mode (.nf). |
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|
| - we need real .ds; for example, terminfo.3 has |
- .fc (field control) |
| .ds n 5 |
found by naddy@ in xloadimage(1) |
| and then later |
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| \fBterminfo\fR(\*n) |
- .nr third argument (auto-increment step size, requires \n+) |
| reported orally by halex@ during c2k10 |
found by bentley@ in sbcl(1) Mon, 9 Dec 2013 18:36:57 -0700 |
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| - \*(Pu is not implemented, but used in mdoc.samples |
- .ns (no-space mode) occurs in xine-config(1) |
| implementing .ds would solve this as well |
reported by brad@ Sat, 15 Jan 2011 15:45:23 -0500 |
| reminded by jmc@, last on Sun, 27 Jun 2010 15:29:18 +0100 |
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- .ta (tab settings) occurs in ircbug(1) and probably gnats(1) |
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reported by brad@ Sat, 15 Jan 2011 15:50:51 -0500 |
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also Tcl_NewStringObj(3) via wiz@ Wed, 5 Mar 2014 22:27:43 +0100 |
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- .ti (temporary indent) |
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found by naddy@ in xloadimage(1) |
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found by bentley@ in nmh(1) Mon, 23 Apr 2012 13:38:28 -0600 |
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- .while and .shift |
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found by jca@ in ratpoison(1) Sun, 30 Jun 2013 12:01:09 +0200 |
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- \c (interrupted text) should prevent the line break |
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even inside .Bd literal; that occurs in chat(8) |
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also found in cclive(1) - DocBook output |
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- \h horizontal move |
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found in cclive(1) DocBook output |
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Anthony J. Bentley on discuss@ Sat, 21 Sep 2013 22:29:34 -0600 |
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- \n+ and \n- numerical register increment and decrement |
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found by bentley@ in sbcl(1) Mon, 9 Dec 2013 18:36:57 -0700 |
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- \w'' width measurements |
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would not be very useful without an expression parser, see below |
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needed for Tcl_NewStringObj(3) via wiz@ Wed, 5 Mar 2014 22:27:43 +0100 |
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- using undefined strings or macros defines them to be empty |
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wl@ Mon, 14 Nov 2011 14:37:01 +0000 |
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- general expression parser, including arithmetics |
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to be used at least for .if/.ie and .nr and maybe at other places |
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could use J.T.Conklin's PD code in bin/expr/expr.c for inspiration |
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needed for Tcl_NewStringObj(3) via wiz@ Wed, 5 Mar 2014 22:27:43 +0100 |
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--- missing mdoc features ---------------------------------------------- |
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|
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- fix bad block nesting involving multiple identical explicit blocks |
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see the OpenBSD mdoc_macro.c 1.47 commit message |
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| - .Bl -column .Xo support is missing |
- .Bl -column .Xo support is missing |
| ultimate goal: |
ultimate goal: |
| restore .Xr and .Dv to |
restore .Xr and .Dv to |
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| lib/libc/gen/signal.3 |
lib/libc/gen/signal.3 |
| lib/libc/sys/sigaction.2 |
lib/libc/sys/sigaction.2 |
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| - implement \\ |
- edge case: decide how to deal with blk_full bad nesting, e.g. |
| in plain text, identical to \e |
.Sh .Nm .Bk .Nm .Ek .Sh found by jmc@ in ssh-keygen(1) |
| as a macro argument, identical to \ i.e. escaping the next character |
from jmc@ Wed, 14 Jul 2010 18:10:32 +0100 |
| We do not have macro definitions yet; if we implement them, |
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| \\ must behave in a macro def like in a macro argument, |
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| and when using the macro, it must expand yet again. |
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| - look at bsd.lv tbl(1) |
- \\ is now implemented correctly |
| from kristaps@ Fri, 11 Sep 2009 17:10:53 +0200 |
* when defining strings and macros using .ds and .de |
| also look at the mail from Thomas Klausner wiz at NetBSD |
* when parsing roff(7) and man(7) macro arguments |
| on Wed, 2 Jun 2010 11:01:29 +0200 |
It does not yet work in mdoc(7) macro arguments |
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because libmdoc does not yet use mandoc_getarg(). |
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Also check what happens in plain text, it must be identical to \e. |
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| - look at pages generated from reStructeredText, e.g. devel/mercurial hg(1) |
- .Bd -filled should not be the same as .Bd -ragged, but align both |
| These are a weird mixture of man(7) and custom autogenerated low-level |
the left and right margin. In groff, it is implemented in terms |
| roff stuff. Figure out to what extent we can cope. |
of .ad b, which we don't have either. Found in cksum(1). |
| noted by stsp@ Sat, 24 Apr 2010 09:17:55 +0200 |
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| reminded by nicm@ Mon, 3 May 2010 09:52:41 +0100 |
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|
| - implement blank `Bl -column', such as |
- implement blank `Bl -column', such as |
| .Bl -column |
.Bl -column |
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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 |
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|
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- In .Bl -column .It, the end of the line probably has to be regarded |
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as an implicit .Ta, if there could be one, see the following mildly |
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ugly code from login.conf(5): |
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.Bl -column minpasswordlen program xetcxmotd |
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.It path Ta path Ta value of Dv _PATH_DEFPATH |
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.br |
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Default search path. |
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reported by Michal Mazurek <akfaew at jasminek dot net> |
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via jmc@ Thu, 7 Apr 2011 16:00:53 +0059 |
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|
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- inside `.Bl -column' phrases, punctuation is handled like normal |
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text, e.g. `.Bl -column .It Fl x . Ta ...' should give "-x -." |
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- inside `.Bl -column' phrases, TERMP_IGNDELIM handling by `Pf' |
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is not safe, e.g. `.Bl -column .It Pf a b .' gives "ab." |
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but should give "ab ." |
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| - set a meaningful default if no `Bl' list type is assigned |
- set a meaningful default if no `Bl' list type is assigned |
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| - have a blank `It' head for `Bl -tag' not puke |
- have a blank `It' head for `Bl -tag' not puke |
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| - ignore horrendous m[] font colouring |
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| reported by J.C. Roberts |
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| - prohibit `Nm' from having non-text HEAD children |
- prohibit `Nm' from having non-text HEAD children |
| (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) |
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- When there is free text in the SYNOPSIS and that free text contains |
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the .Nm macro, groff somehow understands to treat the .Nm as an in-line |
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macro, while mandoc treats it as a block macro and breaks the line. |
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No idea how the logic for distinguishing in-line and block instances |
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should be, needs investigation. |
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uqs@ Thu, 2 Jun 2011 11:03:51 +0200 |
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uqs@ Thu, 2 Jun 2011 11:33:35 +0200 |
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--- missing man features ----------------------------------------------- |
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- -T[x]html doesn't stipulate non-collapsing spaces in literal mode |
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--- missing tbl features ----------------------------------------------- |
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- implement basic non-parametric .de to support e.g. sox(1) |
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reported by naddy@ Sat, 16 Oct 2010 23:51:57 +0200 |
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*** sox(1) still doesn't work, tbl(1) errors need investigation |
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- allow standalone `.' to be interpreted as an end-of-layout |
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delimiter instead of being thrown away as a no-op roff line |
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reported by Yuri Pankov, Wed 18 May 2011 11:34:59 CEST |
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--- missing misc features ---------------------------------------------- |
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|
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- italic correction (\/) in PostScript mode |
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Werner LEMBERG on groff at gnu dot org Sun, 10 Nov 2013 12:47:46 |
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- The whatis(1) utility looks for whole words in Nm. |
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If the file name of a page does not agree with the contents of any |
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of its Nm macros (e.g. pool(9)), add the file name as an Nm entry |
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to the mandoc.db as well, such that whatis(1) finds it. |
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If there is a page with a file name that does not appear as a substring |
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neither in Nm nor in Nd, the same fix would allow finding that page |
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with apropos(1) using the file name as a key, as well. |
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Issue reported by tedu@ Fri, 05 Jul 2013 21:15:23 -0400 |
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|
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- clean up escape sequence handling, creating three classes: |
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(1) fully implemented, or parsed and ignored without loss of content |
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(2) unimplemented, potentially causing loss of content |
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or serious mangling of formatting (e.g. \n) -> ERROR |
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see textproc/mgdiff(1) for nice examples |
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(3) undefined, just output the character -> perhaps WARNING |
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- look at pages generated from reStructeredText, e.g. devel/mercurial hg(1) |
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These are a weird mixture of man(7) and custom autogenerated low-level |
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roff stuff. Figure out to what extent we can cope. |
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For details, see http://docutils.sourceforge.net/rst.html |
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noted by stsp@ Sat, 24 Apr 2010 09:17:55 +0200 |
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reminded by nicm@ Mon, 3 May 2010 09:52:41 +0100 |
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- look at pages generated from Texinfo source by yat2m, e.g. security/gnupg |
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First impression is not that bad. |
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- check compatibility with Plan9: |
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http://swtch.com/usr/local/plan9/tmac/tmac.an |
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http://swtch.com/plan9port/man/man7/man.html |
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"Anthony J. Bentley" <anthonyjbentley@gmail.com> 28 Dec 2010 21:58:40 -0700 |
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|
| ************************************************************************ |
************************************************************************ |
| * formatting issues: ugly output |
* formatting issues: ugly output |
| ************************************************************************ |
************************************************************************ |
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|
| - outside list context, text following .Sm off |
- a column list with blank `Ta' cells triggers a spurrious |
| seems to follow without a blank (TERM_NOBLANK reset late?) e.g. |
start-with-whitespace printing of a newline |
| .Sm off |
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| .Xo |
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| .Op Ar bind_address No / |
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| .Ar port |
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| .Xc |
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| .Sm on |
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| or by enclosing |
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| reported by jmc Tue, 13 Apr 2010 08:48:14 +0100 |
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| - indentation got lost in SYNOPSIS, e.g. |
- In .Bl -column, |
| SYNOPSIS |
.It Em Authentication<tab>Key Length |
| date [-ajnu] [-d dst] [-r seconds] [-t minutes_west] [+format] |
ought to render "Key Length" with emphasis, too, |
| - [[[[[[cc]yy]mm]dd]HH]MM[.SS]] |
see OpenBSD iked.conf(5). |
| + [[[[[[cc]yy]mm]dd]HH]MM[.SS]] |
reported again Nicolas Joly via wiz@ Wed, 12 Oct 2011 00:20:00 +0200 |
| reminded by Ludo Smissaert Mon, 10 May 2010 12:15:11 +0200 |
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| - empty phrases in .Bl column produce too few blanks |
- empty phrases in .Bl column produce too few blanks |
| 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 |
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- .%T can have trailing punctuation. Currently, it puts the trailing |
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punctuation into a trailing MDOC_TEXT element inside its own scope. |
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That element should rather be outside its scope, such that the |
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punctuation does not get underlines. This is not trivial to |
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implement because .%T then needs some features of in_line_eoln() - |
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slurp all arguments into one single text element - and one feature |
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of in_line() - put trailing punctuation out of scope. |
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Found in mount_nfs(8) and exports(5), search for "Appendix". |
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|
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- Trailing punctuation after .%T triggers EOS spacing, at least |
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outside .Rs (eek!). Simply setting ARGSFL_DELIM for .%T is not |
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the right solution, it sends mandoc into an endless loop. |
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reported by Nicolas Joly Sat, 17 Nov 2012 11:49:54 +0100 |
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- in enclosures, mandoc sometimes fancies a bogus end of sentence |
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reminded by jmc@ Thu, 23 Sep 2010 18:13:39 +0059 |
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- formatting /usr/local/man/man1/latex2man.1 with groff and mandoc |
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reveals lots of bugs both in groff and mandoc... |
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reported by bentley@ Wed, 22 May 2013 23:49:30 -0600 |
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|
| ************************************************************************ |
************************************************************************ |
| * formatting issues: gratuitious differences |
* formatting issues: gratuitous differences |
| ************************************************************************ |
************************************************************************ |
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|
| - none reported right now (yet schwarze@ knows of some) |
- .Rv (and probably .Ex) print different text if an `Nm' has been named |
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or not (run a manual without `Nm blah' to see this). I'm not sure |
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that this exists in the wild, but it's still an error. |
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|
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- In .Bl -bullet, the groff bullet is "+\b+\bo\bo", the mandoc bullet |
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is just "o\bo". |
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see for example OpenBSD ksh(1) |
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|
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- .Pp between two .It in .Bl -column should produce one, |
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not two blank lines, see e.g. login.conf(5). |
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reported by jmc@ Sun, 17 Apr 2011 14:04:58 +0059 |
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reported again by sthen@ Wed, 18 Jan 2012 02:09:39 +0000 (UTC) |
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- If the *first* line after .It is .Pp, break the line right after |
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the tag, do not pad with space characters before breaking. |
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See the description of the a, c, and i commands in sed(1). |
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- If the first line after .It is .D1, do not assert a blank line |
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in between, see for example tmux(1). |
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reported by nicm@ 13 Jan 2011 00:18:57 +0000 |
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|
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- Trailing punctuation after .It should trigger EOS spacing. |
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reported by Nicolas Joly Sat, 17 Nov 2012 11:49:54 +0100 |
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Probably, this should be fixed somewhere in termp_it_pre(), not sure. |
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- .Nx 1.0a |
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should be "NetBSD 1.0A", not "NetBSD 1.0a", |
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see OpenBSD ccdconfig(8). |
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|
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- In .Bl -tag, if a tag exceeds the right margin and must be continued |
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on the next line, it must be indented by -width, not width+1; |
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see "rule block|pass" in OpenBSD ifconfig(8). |
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|
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- When the -width string contains macros, the macros must be rendered |
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before measuring the width, for example |
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.Bl -tag -width ".Dv message" |
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in magic(5), located in src/usr.bin/file, is the same |
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as -width 7n, not -width 11n. |
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The same applies to .Bl -column column widths; |
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reported again by Nicolas Joly Thu, 1 Mar 2012 13:41:26 +0100 via wiz@ 5 Mar |
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reported again by Franco Fichtner Fri, 27 Sep 2013 21:02:28 +0200 |
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An easy partial fix would be to just skip the first word if it starts |
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with a dot, including any following white space, when measuring. |
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|
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- The \& zero-width character counts as output. |
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That is, when it is alone on a line between two .Pp, |
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we want three blank lines, not two as in mandoc. |
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|
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- Header lines of excessive length: |
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Port OpenBSD man_term.c rev. 1.25 to mdoc_term.c |
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and document it in mdoc(7) and man(7) COMPATIBILITY |
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found while talking to Chris Bennett |
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- trailing whitespace must be ignored even when followed by a font escape, |
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see for example |
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makes |
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\fBdig \fR |
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operate in batch mode |
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in dig(1). |
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| ************************************************************************ |
************************************************************************ |
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* warning issues |
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************************************************************************ |
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|
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- check that MANDOCERR_BADTAB is thrown in the right cases, |
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i.e. when finding a literal tab character in fill mode, |
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and possibly change the wording of the warning message |
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to refer to fill mode, not literal mode |
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See the mail from Werner LEMBERG on the groff list, |
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Fri, 14 Feb 2014 18:54:42 +0100 (CET) |
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|
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************************************************************************ |
| * performance issues |
* performance issues |
| ************************************************************************ |
************************************************************************ |
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| Several areas can be cleaned up to make mandoc even faster. These are |
Several areas can be cleaned up to make mandoc even faster. These are |
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| - improve caching mechanism to handle other per-element arguments so |
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| that they need not be recalculated between front- and back-ends (also |
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| reduces code size and complexity): |
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| `Bl -column' pointer |
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| `Bf' font type |
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| - improve hashing mechanism for macros (quite important: performance) |
- improve hashing mechanism for macros (quite important: performance) |
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| - improve hashing mechanism for characters (not as important) |
- improve hashing mechanism for characters (not as important) |
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|
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- the PDF file is HUGE: this can be reduced by using relative offsets |
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|
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- instead of re-initialising the roff predefined-strings set before each |
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parse, create a read-only version the first time and copy it |
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|
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************************************************************************ |
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* structural issues |
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************************************************************************ |
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|
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- We use the input line number at several places to distinguish |
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same-line from different-line input. That plainly doesn't work |
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with user-defined macros, leading to random breakage. |
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|
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- Find better ways to prevent endless loops |
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in roff(7) macro and string expansion. |
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|
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- Finish cleanup of date handling. |
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Decide which formats should be recognized where. |
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Update both mdoc(7) and man(7) documentation. |
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Triggered by Tim van der Molen Tue, 22 Feb 2011 20:30:45 +0100 |
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