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* Let .Aq/.Ao/.Ac print "<>" instead of the normal "\(la\(ra"Ingo Schwarze2015-01-231-5/+5
| | | | | | when the only child is .Mt, not when the preceding node is .An, to improve robustness. Triggered by a question from Svyatoslav Mishyn <juef at openmailbox dot org> (Crux Linux).
* Support negative indentations for mdoc(7) displays and lists.Ingo Schwarze2014-12-241-28/+27
| | | | | | Not exactly recommended for use, rather for groff compatibility. While here, introduce similar SHRT_MAX limits as in man(7), fixing a few cases of infinite output found by jsg@ with afl.
* support negative horizontal widths in man(7);Ingo Schwarze2014-12-231-0/+4
| | | | minus twenty lines of code in spite of enhanced functionality
* fix typo in previousIngo Schwarze2014-12-231-2/+2
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* some scaling unit fixes:Ingo Schwarze2014-12-231-2/+2
| | | | | - .sp with an invalid argument is .sp 1v, not .sp 0v - in man(1), trailing garbage doesn't make scaling units invalid
* Multiple fixes with respect to .Pf:Ingo Schwarze2014-11-301-1/+2
| | | | | | | * The first argument of .Pf is not parsed. * Normal delimiter handling does not apply to the first argument of .Pf. * Warn if nothing follows a prefix (inspired by groff_mdoc(7)). * In that case, do not suppress spacing.
* Multiple fixes with respect to .Eo:Ingo Schwarze2014-11-271-4/+13
| | | | | | | | 1. Correctly parse stray .Ec without preceding .Eo, avoiding an assertion violation found by jsg@ with afl. 2. Correctly parse .Ec arguments when breaking another block. 3. Correct spacing around closing delimiter when breaking another block. 4. Sync some related formatting control from -Tascii to -Thtml.
* Fix the obsolete .Db (toggle debug mode) macro to ignore its argumentsIngo Schwarze2014-11-271-10/+10
| | | | | and not trigger an assertion when there is more than one argument; the latter found by jsg@ with afl.
* Let .Ao and .Aq render as "<>" after .An and as "\(la\(ra" elsewhere,Ingo Schwarze2014-11-191-2/+23
| | | | just like groff; minibug noticed by bentley@.
* Multiple fixes with respect to in-line macros:Ingo Schwarze2014-11-171-0/+4
| | | | | | | | | | * .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@.
* Let -Tascii \(bu (bullet) output agree with groff;Ingo Schwarze2014-11-061-1/+1
| | | | this is now possible because -Tps now handles backspace overstriking.
* Major bugsquashing with respect to -offset and -width:Ingo Schwarze2014-10-301-8/+8
| | | | | | | | | 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@.
* Right after .Fl, a middle delimiter triggers an empty scope,Ingo Schwarze2014-08-211-3/+6
| | | | | | | | | | | | 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@.
* Get rid of HAVE_CONFIG_H, it is always defined; idea from libnbcompat.Ingo Schwarze2014-08-101-2/+2
| | | | | | 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 Schwarze2014-08-061-2/+3
| | | | | | | | | | | | 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.
* Various improvements related to .Ex and .Rv:Ingo Schwarze2014-07-301-9/+94
| | | | | | | | | | * 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
* Clean up messages regarding excess arguments:Ingo Schwarze2014-07-041-4/+6
| | | | | | * Downgrade ".Bf -emphasis Em" from FATAL to WARNING. * Mention the macros, the arguments, and the fallbacks. * Hierarchical naming.
* When .Sm is called without an argument, groff toggles the spacing mode,Ingo Schwarze2014-07-021-3/+8
| | | | | 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 Schwarze2014-07-021-4/+41
| | | | | since this is hardly more complicated than explicitly ignoring them as we did in the past. Of course, do not use them!
* make sure static buffers for snprintf(3) are large enoughIngo Schwarze2014-04-201-5/+6
| | | | and cast snprintf return value to (void) where they are
* KNF: case (FOO): -> case FOO:, remove /* LINTED */ and /* ARGSUSED */,Ingo Schwarze2014-04-201-69/+70
| | | | | remove trailing whitespace and blanks before tabs, improve some indenting; no functional change
* Improve formatting of broken blocks in -Tman,Ingo Schwarze2014-03-301-2/+11
| | | | | somewhat similar to what mdoc_term.c already does for -Tascii. OpenBSD rev. 1.58.
* Implement the roff(7) .ll (line length) request.Ingo Schwarze2014-03-301-0/+10
| | | | | Found by naddy@ in the textproc/enchant(1) port. Of course, do not use this in new manuals.
* The files mandoc.c and mandoc.h contained both specialised low-levelIngo Schwarze2014-03-231-2/+3
| | | | | | | functions used for multiple languages (mdoc, man, roff), for example mandoc_escape(), mandoc_getarg(), mandoc_eos(), and generic auxiliary functions. Split the auxiliaries out into their own file and header. While here, do some #include cleanup.
* Implement the \: (optional line break) escape sequence,Ingo Schwarze2014-01-221-1/+4
| | | | | | | documented in the Ossanna-Kernighan-Ritter troff manual and also supported by groff. Missing feature reported by Steffen Nurpmeso <sdaoden at gmail dot com>.
* Implement .Fo/.Fa/.Fc indentation and break handling for -Tman.Ingo Schwarze2013-12-251-3/+8
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* Do not break output lines in .Fn function arguments in SYNOPSIS mode.Ingo Schwarze2013-12-251-0/+10
| | | | | Following an idea from Franco Fichtner, but implemented more cleanly. This reduces groff-mandoc-differences in OpenBSD base by a fantastic 7.5%.
* Implement SYNOPSIS .Fn indentation for -Tman.Ingo Schwarze2013-12-241-1/+4
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* It turns out SYNOPSIS mode does not imply .Bk in general,Ingo Schwarze2013-12-241-18/+17
| | | | | | but only within .Nm blocks. Simplify the code accordingly. Triggered by research done by Franco Fichtner.
* Printf size_t vars with %zu, not %ld;Ingo Schwarze2013-10-071-4/+4
| | | | | from Antonio Huete Jimenez <tuxillo at quantumachine dot net> via Franco Fichtner (both DragonFly).
* Use normal line macro recognition, do not attempt to roll your own.Ingo Schwarze2013-09-151-3/+2
| | | | | This fixes horizontal spacing when an Ns macro follows a block-closing macro and the corresponding block-opening macro is not on the same line.
* Let .Do .Dq .Ql .So .Sq generate the correct roff(7) character escapeIngo Schwarze2013-06-021-5/+5
| | | | | | | 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@.
* 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.
* Support .Bl -offset in -mdoc -Tman.Ingo Schwarze2013-05-191-3/+21
| | | | | Issue found when Thomas Klausner <wiz at NetBSD dot org> made me look at the manuals of his http://www.nih.at/libzip library.
* Move printing of the .RS macro into print_offs() such that print_offs()Ingo Schwarze2013-05-191-4/+4
| | | | | | | takes care of printing the whole line. This reduces code duplication - in particular after the upcoming commit to repair .Bl -offset - and makes print_offs() more similar to what print_width() does. No functional change.
* Rewrite indentation handling for nested lists in a more systematic wayIngo Schwarze2012-12-311-34/+48
| | | | | | | | | | | | to fix multiple issues reported by Todd Miller; thanks! Specifically, - avoid double indentation after .Bd inside .Bl - set up correct indentation after .Bl inside .Bl - set up correct indentation after .Dl and .D1 inside .Bl While here, also - set up correct indentation *inside* .Dl and .D1 inside .Bl.
* In -Tman mode, support automatic word keeps in the SYNOPSISIngo Schwarze2012-11-191-21/+33
| | | | | | | | | just like in -Tascii mode; requested by millert@. While here, do not escape the blank characters terminating man(7) macros; this is becoming more important as we use more keeps now. Note that -Tman still does not support .nr nS.
* Three portability improvements by millert@:Ingo Schwarze2012-11-191-8/+9
| | | | | | | | | | | * Use "\\ " not "\\~" as the non-breaking space as historic nroff doesn't support the latter. * The '-' before the flags needs to be quoted to prevent nroff from putting a line break between the '-' and the flag character. * Disable hyphenation and, for nroff, disable justification which is consistent with how mdoc behaves (and produces more readable manuals). (OpenBSD rev. 1.39, 1.40 and 1.41)
* Make the generated man(7) code more portable by using .PDIngo Schwarze2012-11-181-5/+19
| | | | | | | instead of .sp -1v, which for example Solaris nroff handles poorly. Problem report and patch by millert@, with the print_word chunk tweaked by me.
* Correct indentation for lists and displays inside lists.Ingo Schwarze2012-11-181-6/+103
| | | | | | | Inspired by a diff from millert@, but implemented rather differently and with slightly better functionality. In particular, this one respects -offset and -width arguments found in the input file.
* Cleanup naming of local variables to make the code easier on the eye:Ingo Schwarze2012-11-171-18/+19
| | | | | | | | 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
* For .El .sp, avoid the weird .sp -1v .PP .PP output sequence.Ingo Schwarze2012-07-161-2/+3
| | | | Synching to OpenBSD rev. 1.38.
* Several -mdoc parser improvements related to vertical spacing:Ingo Schwarze2012-07-161-1/+4
| | | | | | | | | | * So far, .Pp and .Lp were removed before paragraph type blocks. * Now also remove .br before paragraph type blocks. * Treat .Lp as a paragraph like .Pp, so remove .Pp, .Lp, .br before it. * Do not treat .sp as a paragraph, don't remove anything before it. * After .Sh, .Ss, .Pp, and .Lp, remove .Pp, .Lp, .sp, .br, and blank lines. * After .sp and .br, remove .br. OpenBSD rev. mdoc.c 1.89 and mdoc_validate.c 1.106
* In -Tman .Bl -compact, skip the blank line only before the first itemIngo Schwarze2012-07-141-1/+2
| | | | | of the first list in a section, not before every item of the first list. OpenBSD rev. 1.37
* Adjust -Tman SYNOPSIS .Nm indentation using .HP; requested by millert@.Ingo Schwarze2012-07-131-1/+10
| | | | | There are still lots of ugly line breaks, to be fixed later. OpenBSD rev. 1.36
* If the tag in .Bl -tag .It would leave exactly one blank before theIngo Schwarze2012-07-131-27/+54
| | | | | | | | | body of the item, mdoc(7) breaks the line, whereas the .TP used to translate this to man(7) does not. Thus, insert an explicit roff(7) line break in this place. To be able to correctly count the characters, do not pass font escapes an the like through print_word(). OpenBSD rev. 1.35
* In -man -Tascii, support .sp with negative argument.Ingo Schwarze2012-07-131-69/+82
| | | | | | In -mdoc -Tman, improve the framework to control vertical spacing. Use both to support .Bl -compact (surprisingly hard to get right). OpenBSD rev. 1.85 and 1.34, respectively.
* Do not crash in -Tman on:Ingo Schwarze2012-07-121-8/+15
| | | | | | | * .Fn with exactly one argument * .Bl -hang without a -width Now all 3776 OpenBSD base manuals build without crashing. OpenBSD rev. 1.33
* Polish -Tman .Rs support.Ingo Schwarze2012-07-111-27/+67
| | | | | All mdoc(7) macros are now supported by -Tman. OpenBSD rev. 1.32
* basic implementation of -Tman .Bl -column using tbl(7); OpenBSD rev. 1.31Ingo Schwarze2012-07-111-5/+41
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