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* 1. Eliminate struct eqn, instead use the existing membersIngo Schwarze2017-07-081-12/+1
| | | | | | of struct roff_node which is allocated for each equation anyway. 2. Do not keep a list of equation parsers, one parser is enough. Minus fifty lines of code, no functional change.
* garbage collect unused enum member EQN_ROOTIngo Schwarze2017-07-071-2/+1
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* Now that we have the -Wstyle message level, downgrade six warningsIngo Schwarze2017-07-061-9/+9
| | | | | | that are not syntax mistakes and that do not cause wrong formatting or content to style suggestions. Also upgrade two warnings that may cause information loss to errors.
* The EQN_LISTONE box type is pointless.Ingo Schwarze2017-07-051-2/+1
| | | | | | Simplify by just using EQN_LIST with expectargs = 1. Noticed while investigating a bug report from bentley@. No functional change.
* report trailing delimiters after macros where they are usually a mistake;Ingo Schwarze2017-07-031-3/+3
| | | | the idea came up in a discussion with Thomas Klausner <wiz at NetBSD>
* warn about time machines; suggested by Thomas Klausner <wiz @ NetBSD>Ingo Schwarze2017-07-031-1/+2
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* add warning "cross reference to self"; inspired by mdoclintIngo Schwarze2017-07-021-1/+2
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* Basic reporting of .Xrs to manual pages that don't existIngo Schwarze2017-07-011-1/+2
| | | | | | | | | | | | in the base system, inspired by mdoclint(1). We are able to do this because (1) the -mdoc parser, the -Tlint validator, and the man(1) manual page lookup code are all in the same program and (2) the mandoc.db(5) database format allows fast lookup. Feedback from, previous versions tested by, and OK jmc@. A few features will be added to this in the tree, step by step.
* warn about some non-portable idioms in .Bl -column;Ingo Schwarze2017-06-291-1/+3
| | | | triggered by a question from Yuri Pankov (illumos)
* Catch typos in .Sh names; suggested by jmc@.Ingo Schwarze2017-06-251-1/+2
| | | | | | I'm using a very simple, linear time / zero space fuzzy string matching heuristic rather than a full Levenshtein metric, to keep the code both simple and fast.
* operating system dependent message about unknown architecture;Ingo Schwarze2017-06-241-1/+2
| | | | inspired by mdoclint
* in the base system, suggest leaving .Os blank; inspired by mdoclintIngo Schwarze2017-06-241-1/+2
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* Split -Wstyle into -Wstyle and the even lower -Wbase, and addIngo Schwarze2017-06-241-4/+14
| | | | | | | | | | | | | | | -Wopenbsd and -Wnetbsd to check conventions for the base system of a specific operating system. Mark operating system specific messages with "(OpenBSD)" at the end. Please use just "-Tlint" to check base system manuals (defaulting to -Wall, which is now -Wbase), but prefer "-Tlint -Wstyle" for the manuals of portable software projects you maintain that are not part of OpenBSD base, to avoid bogus recommendations about base system conventions that do not apply. Issue originally reported by semarie@, solution using an idea from tedu@, discussed with jmc@ and jca@.
* style message about duplicate RCS ids; inspired by mdoclintIngo Schwarze2017-06-171-1/+2
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* style message about missing RCS ids; inspired by mdoclintIngo Schwarze2017-06-171-1/+2
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* implement the roff(7) \p (break output line) escape sequenceIngo Schwarze2017-06-141-1/+2
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* Style message about legacy man(7) date format in mdoc(7) documentsIngo Schwarze2017-06-111-1/+4
| | | | | and operating system dependent messages about missing or unexpected Mdocdate; inspired by mdoclint(1).
* style message about missing .Fn markup; inspired by mdoclintIngo Schwarze2017-06-111-1/+2
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* style message about missing blank before trailing delimiter;Ingo Schwarze2017-06-101-1/+2
| | | | inspired by mdoclint(1), and jmc@ considers it useful
* Implement w layout specifier (minimum column width).Ingo Schwarze2017-06-081-4/+7
| | | | | Improve width calculation of text blocks. Reduces the groff/mandoc diff in Base+Xenocara by about 800 lines.
* warning about unknown .Lb arguments; inspired by mdoclint(1)Ingo Schwarze2017-06-081-1/+2
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* style checks related to .Er; inspired by mdoclint(1)Ingo Schwarze2017-06-071-1/+3
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* Minimal implementation of the roff(7) .ce request (center a numberIngo Schwarze2017-06-061-1/+2
| | | | | of input lines without filling). Contrary to groff, high-level macros abort .ce mode for now.
* ignore blank lines in man(7) next line scope;Ingo Schwarze2017-06-031-1/+2
| | | | strange groff edge case behaviour found in multimedia/mjpegtools
* Partial implementation of \h (horizontal line drawing function).Ingo Schwarze2017-06-021-1/+2
| | | | | | | | | | | A full implementation would require access to output device properties and state variables (both only available after the main parser has finalized the parse tree) before numerical expansions in the roff preprocessor (i.e., before the main parser is even started). Not trying to pull that stunt right now because the static-width implementation committed here is sufficient for tcl-style manual pages and already more complicated than i would have suspected.
* Minimal implementation of the \h (horizontal motion) escape sequence.Ingo Schwarze2017-06-011-1/+2
| | | | Good enough to cope with the average DocBook insanity.
* STYLE message about full stop at the end of .Nd; inspired by mdoclint(1)Ingo Schwarze2017-06-011-1/+2
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* STYLE message about missing use of Ox/Nx/Fx/Dx; OK jmc@ wiz@Ingo Schwarze2017-05-311-1/+2
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* STYLE message about useless macros we don't want (Bt Tn Ud);Ingo Schwarze2017-05-301-1/+3
| | | | not a WARNING because they don't endanger portability
* Introduce a new mandoc(1) message level, -W style, below -W warning.Ingo Schwarze2017-05-161-2/+4
| | | | | | | | | | | | | Switch -W all from meaning -W warning to meaning -W style. The meaning of -T lint does *not* change, it still implies -W warning. No messages on the new level yet, but they will come. Usually, i do not lightly make the user interface larger. But this has been planned for years, and EXIT STATUS 1 was reserved for it all the time. The message system is now stable enough to finally implement it. jmc@ regarding the concept: "really good idea"
* Using .Nd only makes sense in the NAME section.Ingo Schwarze2017-03-061-1/+2
| | | | | Warn if that macro occurs elsewhere. Triggered by a question from Dag-Erling Smoergrav <des @ FreeBSD>.
* Add a warning "new sentence, new line".Ingo Schwarze2017-01-281-1/+2
| | | | | | | | | This does not attempt to pinpoint each and every offender, but instead tries very hard to avoid false positives: Currently, there are only two false positives in the whole OpenBSD base system. Only do this in mdoc(7), not in man(7), because manuals written in man(7) typically have much worse problems than this. OK jmc@ on a previous version of the patch
* Warnings and errors that occur during mdoc_validate()Ingo Schwarze2017-01-091-1/+2
| | | | | | or during man_validate() have to affect the mandoc(1) EXIT STATUS. Many thanks to <Yuri dot Pankov at gmail dot com> (illumos developer) for reporting this regression.
* Stricter validation of the NAME section, in particular:Ingo Schwarze2017-01-081-3/+4
| | | | | | | - require a comma between names - reject all other text nodes - reject all empty Nm below NAME, not only in the leading position - reject Nm after Nd
* Make the second, section number argument of .Xr mandatory.Ingo Schwarze2016-12-281-1/+2
| | | | | | In fact, we have been requiring it for many years. The only reason to not warn when it was missing was excessive traditionalism - it was optional in 4.4BSD.
* Delete complicated code dealing with .Bl -tag without -width,Ingo Schwarze2016-10-091-2/+2
| | | | | | | | | | | | and just let it default to -width 6n, which agrees with the traditional -width Ds that is still in widespread use. I just pushed a patch upstream to GNU roff that does the same for groff_mdoc(7). Before, groff contained code that was even more complicated than mandoc, but both resulted in quite different user-visible output. Now, both agree, and output is nicer for both. Useless complication noticed by Carsten Kunze (Heirloom roff).
* Simplify the mparse_open() interface.Ingo Schwarze2016-01-081-3/+3
| | | | | | Just return the file descriptor or -1 on error; there is just one kind of error anyway. Suggested by Christos Zoulas (NetBSD).
* In private header files, __BEGIN_DECLS and __END_DECLS are pointless.Ingo Schwarze2015-11-071-4/+1
| | | | | | | | | | | | Because these work slightly differently on different systems, they are becoming a maintenance burden in the portable version, so delete them. Besides, one of the chief design goals of the mandoc toolbox is to make sure that nothing related to documentation requires C++. Consequently, linking mandoc against any kind of C++ program would defeat the purpose and is not supported. I don't understand why kristaps@ added them in the first place.
* If a .Bd block has no arguments at all, drop the block and only keepIngo Schwarze2015-10-301-1/+2
| | | | | its contents. Removing a gratuitious difference to groff output found after a related bug report from krw@.
* Major character table cleanup:Ingo Schwarze2015-10-131-10/+6
| | | | | | | | | | | | | * Use ohash(3) rather than a hand-rolled hash table. * Make the character table static in the chars.c module: There is no need to pass a pointer around, we most certainly never want to use two different character tables concurrently. * No need to keep the characters in a separate file chars.in; that merely encourages downstream porters to mess with them. * Sort the characters to agree with the mandoc_chars(7) manual page. * Specify Unicode codepoints in hex, not decimal (that's the detail that originally triggered this patch). No functional change, minus 100 LOC, and i don't see a performance change.
* Remove the warning about children of .Vt blocks because actually,Ingo Schwarze2015-09-141-2/+1
| | | | | | | .Vt type global_variable No = Dv defined_constant ; is the best way to specify in the SYNOPSIS how a global variable is initialized in the rare case where that matters. Issue noticed by jmc@.
* Do not fork and exec gunzip(1), just link with libz instead.Ingo Schwarze2015-07-191-2/+1
| | | | | | | As discussed with deraadt@, that's cleaner and will help tame(2). Something like this was also suggested earlier by bapt at FreeBSD. Minus 50 lines of code, deleting one interface function (mparse_wait), no functional change intended.
* Profit from the unified struct roff_man and reduce the number ofIngo Schwarze2015-04-181-2/+2
| | | | | arguments of mparse_result() by one. No functional change. Written on the ICE Bruxelles-Koeln on the way back from p2k15.
* Replace the structs mdoc and man by a unified struct roff_man.Ingo Schwarze2015-04-181-7/+6
| | | | | Almost completely mechanical, no functional change. Written on the train from Exeter to London returning from p2k15.
* improve NAME section diagnostics;Ingo Schwarze2015-02-231-2/+5
| | | | confusing messages reported by Jan Stary <hans at stare dot cz>
* replace the last legacy generic message type, "argument count wrong",Ingo Schwarze2015-02-061-2/+3
| | | | by more specific messages, improving diagnostics for .cc .tr .Bl -column
* better error reporting regarding .OP .RS .UR .TH argumentsIngo Schwarze2015-02-061-1/+3
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* Delete the legacy generic warning type MANDOCERR_ARGCWARN,Ingo Schwarze2015-02-061-2/+2
| | | | | replacing the last instances by more specific warnings. Improved functionality, minus 50 lines of code.
* better handle .Fo and .Fd without argumentIngo Schwarze2015-02-061-1/+2
| | | | better handle .Fo with more than one argument
* discard .Rs head arguments and improve .Rs diagnosticsIngo Schwarze2015-02-041-1/+2
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