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* Multiple fixes with respect to in-line macros:Ingo Schwarze2014-11-171-1/+1
| | | | | | | | | | * .No selects the default font; relevant e.g. in .Bf blocks * no need to force empty .Li elements * closing delimiters as leading macro arguments do not suppress space * opening delimiters at the end of a macro line do not suppress space * correctly handle delimiter spacing in -Tman As a side effect, these fixes let mandoc warn about empty .No macros as requested by bentley@.
* add required vertical spacing before lists that beginIngo Schwarze2014-11-101-9/+11
| | | | | | at the beginning of the first item of an enclosing list right at the beginning of a new section or subsection; minibug reported by Steffen Nurpmeso <sdaoden at yandex dot com>
* Major bugsquashing with respect to -offset and -width:Ingo Schwarze2014-10-301-25/+12
| | | | | | | | | 1. Support specifying the .Bd and .Bl -offset as a macro default width; while here, simplify the code handling the same for .Bl -width. 2. Correct handling of .Bl -offset arguments: unlike .Bd -offset, the arguments "left", "indent", and "indent-two" have no special meaning. 3. Fix the scaling of string length -offset and -width arguments in -Thtml. Triggered by an incomplete documentation patch from bentley@.
* Make the character table available to libroff so it can check theIngo Schwarze2014-10-281-3/+0
| | | | | | | | validity of character escape names and warn about unknown ones. This requires mchars_spec2cp() to report unknown names again. Fortunately, that doesn't require changing the calling code because according to groff, invalid character escapes should not produce output anyway, and now that we warn about them, that's fine.
* correct the spacing after in-line equationsIngo Schwarze2014-10-201-1/+1
| | | | | that start at the beginning of an input line but end before the end of an input line
* correct spacing *after* inline equations (much simpler than expected)Ingo Schwarze2014-10-201-0/+2
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* correct spacing before inline equationsIngo Schwarze2014-10-201-0/+2
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* Properly scale string length measurements for PostScript and PDF output;Ingo Schwarze2014-10-131-2/+6
| | | | | this doesn't change anything for ASCII and UTF-8. Problem reported by bentley@.
* simplify handling of .An -[no]split for terminal output:Ingo Schwarze2014-09-171-44/+16
| | | | | delete one static function, one flag #define, and 25 lines of code; no functional change
* Implement the traditional -h option for man(1): show the SYNOPSIS only.Ingo Schwarze2014-09-031-17/+24
| | | | | | | As usual, we get mandoc -h and apropos -h for free. Try stuff like "apropos -h In=dirent" or "apropos -h Fa=timespec". Only useful for terminal output, so -Tps, -Tpdf, -Thtml ignore -h for now.
* Right after .Fl, a middle delimiter triggers an empty scope,Ingo Schwarze2014-08-211-3/+4
| | | | | | | | | | | | just like a closing delimiter. This didn't work in groff-1.15, but it now works in groff-1.22. After being closed by delimiters, .Nm scopes do not reopen. Do not suppress white space after .Fl if the next node is a text node on the same input line; that can happen for middle delimiters. Fixing an issue reported by jmc@.
* ... and remove the trailing spaces (duh. i should pay more attention)Ingo Schwarze2014-08-171-5/+5
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* KNF: fix indentation of previous commit, see style(9):Ingo Schwarze2014-08-171-9/+9
| | | | | "Indentation is an 8 character tab. Second level indents are four spaces." All the rest of this file already conforms.
* Protect against accessing "n->next->child" by first checking "n->next".Kristaps Dzonsons2014-08-171-8/+13
| | | | | Noticed in a crash against ".It Nm Fo" with no closing "Fc". Original patch expanded by schwarze@ then extended even more.
* Get rid of HAVE_CONFIG_H, it is always defined; idea from libnbcompat.Ingo Schwarze2014-08-101-2/+0
| | | | | | Include <sys/types.h> where needed, it does not belong in config.h. Remove <stdio.h> from config.h; if it is missing somewhere, it should be added, but i cannot find a *.c file where it is missing.
* Bring the handling of defective prologues even closer to groff,Ingo Schwarze2014-08-061-1/+5
| | | | | | | | | | | | in particular relaxing the distinction between prologue and body and further improving messages. * The last .Dd wins and the last .Os wins, even in the body. * The last .Dt before the first body macro wins. * Missing title in .Dt defaults to UNTITLED. Warn about it. * Missing section in .Dt does not default to 1. But warn about it. * Do not warn multiple times about the same mdoc(7) prologue macro. * Warn about missing .Os. * Incomplete .TH defaults to empty strings. Warn about it.
* Get rid of the useless FATAL error "child violates parent syntax".Ingo Schwarze2014-07-301-1/+4
| | | | | When finding items outside lists, simply skip them and throw an ERROR. Handle subsections before the first section instead of bailing out.
* Various improvements related to .Ex and .Rv:Ingo Schwarze2014-07-301-21/+30
| | | | | | | | | | * let .Nm fall back to the empty string, not to UNKNOWN * never let .Rv copy an argument from .Nm * avoid spurious \fR after empty .Nm in -Tman * correct handling of .Ex and .Rv in -Tman * correct the wording of the output for .Rv without arguments * use non-breaking spaces in .Ex and .Rv output where required * split MANDOCERR_NONAME into a warning for .Ex and an error for .Nm
* Partial implementation of .Bd -centered.Ingo Schwarze2014-07-291-2/+13
| | | | | | | | | In groff, .Bd -centered operates in fill mode, which is relatively hard to implement, while this implementation operates in non-fill mode so far. As long as you pay attention that your lines do not overflow, it works. To make sure that rendering is the same for mandoc and groff, it is recommended to insert .br between lines for now. This implementation will need improvement later.
* no need to skip content before first section headerIngo Schwarze2014-07-071-1/+4
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* Fix formatting of empty .Bl -inset item heads.Ingo Schwarze2014-07-031-1/+1
| | | | | | Downgrade empty item heads from ERROR to WARNING. Show the list type in the error message. Choose better variable names for nodes in post_it().
* When .Sm is called without an argument, groff toggles the spacing mode,Ingo Schwarze2014-07-021-5/+7
| | | | | so let us do the same for compatibility. Using this feature is of course not recommended except in manual page obfuscation contests.
* Implement the obsolete macros .En .Es .Fr .Ot for backward compatibility,Ingo Schwarze2014-07-021-5/+28
| | | | | since this is hardly more complicated than explicitly ignoring them as we did in the past. Of course, do not use them!
* Audit strlcpy(3)/strlcat(3) usage.Ingo Schwarze2014-04-231-17/+14
| | | | | | | | | | | | | * Repair three instances of silent truncation, use asprintf(3). * Change two instances of strlen(3)+malloc(3)+strlcpy(3)+strlcat(3)+... to use asprintf(3) instead to make them less error prone. * Cast the return value of four instances where the destination buffer is known to be large enough to (void). * Completely remove three useless instances of strlcpy(3)/strlcat(3). * Mark two places in -Thtml with XXX that can cause information loss and crashes but are not easy to fix, requiring design changes of some internal interfaces. * The file mandocdb.c remains to be audited.
* fix unchecked snprintf(3) in page header printing:Ingo Schwarze2014-04-201-4/+7
| | | | | the length of the title is unknown, and speed doesn't matter here, so use asprintf/free rather than a static buffer
* make sure static buffers for snprintf(3) are large enoughIngo Schwarze2014-04-201-2/+2
| | | | and cast snprintf return value to (void) where they are
* KNF: case (FOO): -> case FOO:, remove /* LINTED */ and /* ARGSUSED */,Ingo Schwarze2014-04-201-324/+207
| | | | | remove trailing whitespace and blanks before tabs, improve some indenting; no functional change
* Add a new term_flushln() flag TERMP_BRIND (if break, then indent)Ingo Schwarze2014-04-081-12/+13
| | | | | | | | | | to control indentation of continuation lines in TERMP_NOBREAK mode. In the past, this was always on; continue using it for .Bl, .Nm, .Fn, .Fo, and .HP, but no longer for .IP and .TP. I looked at this because sthen@ reported the issue in a manual of a Perl module from ports, but it affects base, too: This patch reduces groff-mandoc differences in base by more than 15%.
* If the SYNOPSIS section contains an excessively long .Nm,Ingo Schwarze2014-04-081-0/+2
| | | | | adjust the right margin to avoid running into an assertion; output in that case now agrees with groff, too.
* Support relative arguments to .ll (increase or decrease line length).Ingo Schwarze2014-03-301-1/+1
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* Implement the roff(7) .ll (line length) request.Ingo Schwarze2014-03-301-2/+16
| | | | | Found by naddy@ in the textproc/enchant(1) port. Of course, do not use this in new manuals.
* when indenting, extend the right margin accordingly, when needed;Ingo Schwarze2014-02-161-2/+5
| | | | fixes a crash reported by blambert@ and a few other, similar ones
* Oops, .Fa never breaks the output line in the middle of any of itsIngo Schwarze2013-12-251-2/+1
| | | | | | arguments, not even outside SYNOPSIS mode. Quite surprising as .Fn does break the line in the middle of its arguments outside SYNOPSIS mode, and only doesn't do that in SYNOPSIS mode. Wonders of groff...
* Garbage collect two local variables each used only one single time.Ingo Schwarze2013-12-251-6/+4
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* In the SYNOPSIS, implement hanging indentation for .FoIngo Schwarze2013-12-251-7/+22
| | | | | | and avoid output line breaks inside .Fa arguments. This reduces groff-mandoc differences in OpenBSD base by more than 8%. Patch from Franco Fichtner <franco at lastsummer dot de> (DragonFly).
* Do not break output lines in .Fn function arguments in SYNOPSIS mode.Ingo Schwarze2013-12-251-0/+2
| | | | | Following an idea from Franco Fichtner, but implemented more cleanly. This reduces groff-mandoc-differences in OpenBSD base by a fantastic 7.5%.
* Delete the unused flag TERMP_IGNDELIMIngo Schwarze2013-12-241-13/+2
| | | | | and the empty callback termp_igndelim_pre(). Sort the remaining termp flags.
* It turns out SYNOPSIS mode does not imply .Bk in general,Ingo Schwarze2013-12-241-17/+8
| | | | | | but only within .Nm blocks. Simplify the code accordingly. Triggered by research done by Franco Fichtner.
* When deciding whether two consecutive macros are on the same input line,Ingo Schwarze2013-12-241-1/+1
| | | | | | | | we have to compare the line where the first one *ends* (not where it begins) to the line where the second one starts. This fixes the bug that .Bk allowed output line breaks right after block macros spanning more than one input line, even when the next macro follows on the same line.
* Implement a long-standing desideratum,Ingo Schwarze2013-12-231-0/+16
| | | | | | hanging indentation for .Fn in SYNOPSIS mode, exploiting the new trailspace feature by deliberately *NOT* using it.
* Polishing the worms in my favourite can, term_flushln().Ingo Schwarze2013-12-221-17/+30
| | | | | | | | | | | The TERMP_TWOSPACE flag i introduced in August 2009 was idiosyncratic and served only a very narrow purpose. Replace it by a more intuitive and more general termp attribute "trailspace", to be used together with TERMP_NOBREAK, to request a minimum amount of whitespace at the end of the current column. Adapt all code to the new interface. No functional change intended; code reviews to confirm that are welcome *eg*.
* Let .Do .Dq .Ql .So .Sq generate the correct roff(7) character escapeIngo Schwarze2013-06-021-4/+4
| | | | | | | sequences such that output modes like -Tutf8 have a chance to select nice glyphs. This doesn't change anything for -Tascii, and, for now, it doesn't affect -Tps and -Tpdf either. OK matthew@ bentley@; like the idea tedu@; no opinion jmc@.
* Simplify condition, avoid duplicate code; no functional change.Ingo Schwarze2013-05-291-6/+2
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* In SYNOPSIS mode, .Ek doesn't end a keep.Ingo Schwarze2013-05-291-1/+1
| | | | Found and fixed on the plane to the OpenBSD t2k13 hackathon in Toronto.
* Should termp_xx_pre() ever get called for a macro it cannot handle,Ingo Schwarze2013-05-181-1/+2
| | | | | | | | use abort(3), just like in the three other comparable cases in this file, instead of ignoring the problem and causing a null pointer access. Cosmetical issue reported by Ulrich Spoerlein <uqs@spoerlein.net> found by Coverity Scan CID 976115. No functional change.
* Cleanup naming of local variables to make the code easier on the eye:Ingo Schwarze2012-11-171-36/+37
| | | | | | | | Settle for "struct man *man", "struct mdoc *mdoc", "struct meta *meta" and avoid the confusing "*m" which was sometimes this, sometimes that. No functional change. ok kristaps@ some time ago
* Improve formatting of badly nested font blocks.Ingo Schwarze2012-11-161-6/+6
| | | | | | | | | | | | | | | | | The basic idea is to already pop the font at the end marker instead of allowing it to linger until the final end of the block. This requires a few preliminaries: * For each block, save a pointer to the previous font to be used in case the block breaks another and gets extended. * That requires making node information writable during rendering. * Now fonts may get popped in the wrong order; hence, after the stack has already been rewound further by some block that began earlier, ignore popping a font that was put on the stack later. * To be able to exploit all this for font blocks, tie processing to their body, not their block, which is more logical anyway. Triggered by florian@ reporting vaguely similar issues with list blocks.
* fix position and formatting of %U;Ingo Schwarze2012-07-111-1/+1
| | | | OpenBSD rev. 1.104 and 1.145, respectively
* * implement -Tman .Bl -item -inset -diag -ohang -dash -hyphen -enum .ItIngo Schwarze2012-07-101-7/+11
| | | | | | | | | | * fix -Tman .Bl -bullet .It * adjust the -Tascii .Bl -bullet -dash -hyphen .It default and minimum width to new groff standards, it changed from 4n (in groff 1.15) to 2n (in groff 1.21) * same for -Tascii -enum, it changed from 5n to 2n * use -hang formatting for -Tascii -enum -width 2n * for -Tascii -enum, the default is -width 3n
* fix -Tascii .Fd line breakingIngo Schwarze2012-07-091-15/+13
| | | | | and implement -Tman .Fd OpenBSD rev. 1.27 and 1.143, respectively
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