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* Implement the roff .break request (break out of a .while loop).Ingo Schwarze2019-04-215-12/+73
| | | | | | | Jan Stary <hans at stare dot cz> found it in an ancient groffer(1) manual page (version 1.19) on MacOS X Mojave. Having .break not implemented wasn't a particularly bright idea because obviously, it tended to cause infinite loops.
* new man(1) issues from Lorenzo Beretta <loreb at github>Ingo Schwarze2019-04-011-0/+24
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* While we do encourage simplicity in the sense of writing plain '-'Ingo Schwarze2019-03-311-2/+2
| | | | | | | | for hyphen-minus, soften the language a bit: writing \- for it is not wrong, and people started sending us patches to replace \- with '-' in existing manual pages, which is not a worthwhile change unless the \- is used at a place where it doesn't belong. OK jmc@
* Set the maximum column index in a tbl(7) to the maximum *right* edgeIngo Schwarze2019-03-291-1/+1
| | | | | | | | | | | | | | | of any cell span, not to the maximum *left* edge, which may be smaller if the last column of the table is only reached by horizontal spans, but not by any regular cell in any row of the table. Otherwise, the algorithm calculating column widths accessed memomy after the end of the colwidth[] array, while it was trying to handle the rightmost column(s). Crash reported by Jason Thorpe <thorpej at NetBSD> via https://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=54069 and via Thomas Klausner (wiz@). Christos@ Zoulas sent a (correct, but slightly confusing) patch. The patch i'm committing here is easier to understand.
* When the last line of the input is empty and the previous line reducedIngo Schwarze2019-03-191-0/+2
| | | | | | | the line input buffer to a length of one byte, do not write one byte past the end of the line input buffer. Minimal code to show the bug: printf ".ds X\n.X\n\n" | MALLOC_OPTIONS=C mandoc Bug found by bentley@ in the sysutils/rancid par(1) manual page.
* fix a NULL pointer access on empty tbl(7) data cellsIngo Schwarze2019-03-181-2/+4
| | | | that bentley@ found in syncthing-bep(7)
* The header file "html.h" uses enum roff_tok,Ingo Schwarze2019-03-174-43/+64
| | | | | | so "roff.h" must be included before it. Diff from bcallah@ tweaked by me; he found the bug by compiling with pcc.
* When drawing a horizontal line in tbl(7) UTF-8 output, it is notIngo Schwarze2019-03-161-12/+17
| | | | | | | | | | | | | sufficient to look at two data rows, but up to three are needed: the one above to identify vertical lines branching off upward, the row itself (in case the line is in a data row rather than a layout line) to figure out the horizontal line style, and the row below to identify vertical lines branching off downward. As an example, bentley@ reported from the mpv(1) manual page that in a tbl(7) having a vertical line in the middle and a horizontal line in the bottom data row, the vertical line extended below the bottom horizontal line.
* Contrary to what the NetBSD attribute(3) manual page suggests,Ingo Schwarze2019-03-132-4/+4
| | | | | | | | | | | | | using __dead instead of __attribute__((__noreturn__)) actually hinders portability rather than helping it. Given that mandoc already uses __attribute__ in several files and that in the portable version, ./configure already contains rudimentary support for ignoring it on platforms that do not support it, use __attribute__ directly. This is expected to fix build failures that Stephen Gregoratto <dev at sgregoratto dot me> reported from Arch and Debian Linux.
* mark check_abort() and post_abort() as __dead;Ingo Schwarze2019-03-112-4/+4
| | | | based on a patch by Christos@ Zoulas at NetBSD
* release 1.14.5VERSION.1.14.5Ingo Schwarze2019-03-101-4/+9
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* Automatically detect whether diff(1) supports the -a option.Ingo Schwarze2019-03-101-0/+1
| | | | | Useful on illumos and on Oracle Solaris, where it doesn't. Patch written based on a report from Sevan Janiyan.
* Mention mandoc.db(5), makewhatis(8), and weekly(8).Ingo Schwarze2019-03-091-0/+12
| | | | Omission noticed by espie@ long ago, and wording tweaked by jmc@.
* new dist-install maintainer targetIngo Schwarze2019-03-061-0/+4
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* while $() is more modern than ``, it does not work with theIngo Schwarze2019-03-061-1/+1
| | | | default /bin/sh on Solaris 10, so use the classical form
* mention Solaris BUGS in regress.pl(1)Ingo Schwarze2019-03-062-2/+21
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* this file needs to #include "config.h" because it calls getprogname();Ingo Schwarze2019-03-061-0/+2
| | | | found while testing on Debian jessie
* drop redundant '0' flag from "%02.2X" format string;Ingo Schwarze2019-03-061-1/+1
| | | | found by a compiler warning from gcc 4.9.2 on Linux
* work towards 1.14.5, mostly updating WWW_INCSIngo Schwarze2019-03-061-6/+9
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* add arch.oIngo Schwarze2019-03-061-0/+1
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* draft 1.14.5 NEWS entryIngo Schwarze2019-03-061-0/+69
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* autoconfiguration test whether less(1) supports the -T option;Ingo Schwarze2019-03-063-0/+21
| | | | | needed for Alpine Linux because it uses busybox less(1) by default; based on a patch from Daniel Sabogal explained to me by Natanael Copa
* For TIOCGWINSZ, #include <termios.h> rather than <sys/termios.h>Ingo Schwarze2019-03-041-1/+1
| | | | | | like almost all other userland programs. This also improves portability: for example, it looks like <sys/termios.h> does not work on FreeBSD, or at least bapt@ did the same change over there.
* add libbe; from kevans@ via FreeBSD rev. 337663Ingo Schwarze2019-03-041-0/+1
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* When the -S option is given to man(1) and the requested manual pageIngo Schwarze2019-03-048-55/+114
| | | | | | | | | | | | name is not found and the requested architecture is unknown, complain about the architecture rather than about the manual page name: $ man -S vax cpu man: Unknown architecture "vax". $ man -S sparc64 foobar man: No entry for foobar in the manual. Friendlier error message suggested by jmc@, who also OK'ed the patch.
* Fix the last straggler where the struct roff_node "line" memberIngo Schwarze2019-03-042-5/+1
| | | | | was abused to detect an input line break; instead, use the NODE_LINE flag to improve robustness.
* additional comments on two TODO itemsIngo Schwarze2019-03-041-3/+11
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* Reset HTML formatter state, in particular the id_unique hash,Ingo Schwarze2019-03-034-8/+24
| | | | | | | | after processing each manual page, such that the next page starts from a clean state and doesn't continue suffix numbering. Issue found while looking at https://github.com/Debian/debiman/issues/48 which was brought up by Orestis Ioannou <oorestisime at github>.
* add forgotten mparse options to two rarely used programsIngo Schwarze2019-03-032-3/+4
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* Do not open a subsection for each and every macro.Ingo Schwarze2019-03-021-176/+163
| | | | | | Instead, use a tagged list and the canonical .Ic macro as it is natural for such purposes. While here, also delete heaps of needless escaping.
* remove a few words to improve flow; from tedu@Ingo Schwarze2019-03-021-2/+2
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* Represent multiple subsequent .IP blocks having a consistentIngo Schwarze2019-03-022-20/+67
| | | | | | | | | head argument of *, \-, or \(bu as <ul> rather than as <dl>, using a bit of heuristics. Basic idea suggested by Dagfinn Ilmari Mannsaker <ilmari at github> in https://github.com/Debian/debiman/issues/67 and independently by <Pali dot Rohar at gmail dot com> on <discuss at mandoc dot bsd dot lv>.
* Wrap .Sh/.SH sections and .Ss/.SS subsections in HTML <section> elementsIngo Schwarze2019-03-0112-23/+47
| | | | | | as recommended for accessibility by the HTML 5 standard. Triggered by a similar, but slightly different suggestion from Laura Morales <lauretas at mail dot com>.
* Format multiple subsequent .IP or multiple subsequent .TP/.TQIngo Schwarze2019-02-282-7/+28
| | | | | as a single <dl> list rather than opening a new list for each item; feature suggested by Pali dot Rohar at gmail dot com.
* Explain the ASCII rendering of single quotes because that repeatedlyIngo Schwarze2019-02-231-0/+11
| | | | | | | | | | | caused confusion in the past. People plainly do not expect that there are limits to the compatibility between Unicode and ASCII, but there are. The information belongs here and not into mandoc_char(7) because it explains how the specific output device (-T ascii) works and because it has nothing to do with the question of how characters are represented on the input side.
* The horizontal line in a data cell containing only "_" or "="Ingo Schwarze2019-02-091-47/+44
| | | | | connects to the horizontally adjacent vertical line or cell; fixing a bug reported by bentley@.
* add a BUGS section explaining the situation with box and line drawingIngo Schwarze2019-02-091-1/+15
| | | | in UTF-8 output; suggested by bentley@
* ignore empty request lines in the table data reader;Ingo Schwarze2019-02-091-9/+22
| | | | fixing a minibug reported by bentley@
* fix typo: "a data cells" -> "a data cell"; from bentley@Ingo Schwarze2019-02-081-1/+1
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* style improvement from jmc@, no output change;Ingo Schwarze2019-02-071-4/+2
| | | | | | | | | | original commit message: .Pp .Bd ... -compact is better written as .Bd ...
* Remove the misleading statement ".No takes no arguments".Ingo Schwarze2019-02-061-2/+2
| | | | | In facts, i works very similarly to .Em and .Sy. Triggered by a question from Kurt Mosiejczuk <kurt at cranky dot work>.
* Let roff_getname() end the roff identifier at a tab characterIngo Schwarze2019-02-0618-22/+217
| | | | | | | | | | | | | | | | | | | | | | and audit all its callers whether termination is handled correctly. Resulting improvements: * An escape or tab ending the macro name in a macro invocation is discarded, and argument processing is started after it. * An escape or tab ending a name in ".if d" and ".if r" is preserved. * An escape ending a name in ".ds" causes the whole request to be ignored. * A tab ending a name in ".ds" becomes part of the string. * An escape or tab ending a name in ".rm" causes the rest of the line to be ignored. * An escape or tab ending the first name in ".als", ".rn", or ".nr" causes the whole request to be ignored. Kurt Jaeger <pi at FreeBSD> made me aware of https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=235456#c0 and in that bug report, comment 0 item (3) is a special case of this class of issues. Yes, the "mh" manual pages are no doubt among the worst on the planet.
* adjust style and comments in roff_getname(); no functional changeIngo Schwarze2019-02-061-11/+14
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* Relax overzealous PATH_INFO validation.Ingo Schwarze2019-01-311-1/+1
| | | | | | | URIs like https://man.openbsd.org/OpenBSD-2.2/cat1/cat.0 are still required to work because they result from apropos searches for old releases (up to 5.0) which used to install preformatted manual pages. Regression reported by jj@.
* Since resetting of offsets works quite differently in man(7) and mdoc(7),Ingo Schwarze2019-01-313-2/+29
| | | | | test table centering in an mdoc(7) document as well. Related to tbl_term.c rev. 1.67.
* Fix tbl(7) centering in mdoc(7) documents.Ingo Schwarze2019-01-311-3/+7
| | | | | | | | | | Since resetting of offsets works quite differently in the mdoc(7) and man(7) formatters, the tbl(7) formatter needs to save the global offset on entry and restore it on exit. The additional indentation needed for table centering has to be added to its own offset variable and applied to each line of the table, rather than only to the first. Bug found by bentley@ in emulators/fceux(6).
* The .UR and .MT blocks in man(7) are represented by <a> elementsIngo Schwarze2019-01-184-55/+70
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | which establish phrasing context, but they can contain paragraph breaks (which is relevant for terminal formatting, so we can't just change the structure of the syntax tree), which are respresented by <p> elements and cannot occur inside <a>. Fix this by prematurely closing the <a> element in the HTML formatter. This menas that the clickable text in HTML output is shorter than what is represented as the link text in terminal output, but in HTML, it is frankly impossible to have the clickable area of a hyperlink extend across a paragraph break. The difference in presentation is not a major problem, and besides, paragraph breaks inside .UR are rather poor style in the first place. The implementation is quite tricky. Naively closing out the <a> prematurely would result in accessing a stale pointer when later reaching the physical end of the .UR block. So this commit separates visual and structural closing of "struct tag" stack items. Visual closing means that the HTML element is closed but the "struct tag" remains on the stack, to avoid later access to a stale pointer and to avoid closing the same HTML element a second time later. This also needs reference counting of pointers to "struct tag" stack items because often more than one child holds a pointer to the same parent item, and only the outermost child can safely do the physical closing. In the whole corpus of nearly half a million manual pages on man.openbsd.org, this problem occurs in exactly one page: the groff(1) version 1.20.1 manual contained in DragonFly-3.8.2, which contains a formatting error triggering the bug.
* Delete several entries that were already fixed.Ingo Schwarze2019-01-171-28/+1
| | | | | The two entries about dashes, hyphens, and minus signs are no longer relevant because we decided on a policy that is now documented.
* Test handling of escaped backslashes because the code related toIngo Schwarze2019-01-175-2/+97
| | | | copy mode is complicated and prone to regressions.
* In PostScript and PDF output, one AFM unit is not nearly enoughIngo Schwarze2019-01-151-2/+3
| | | | | | inter-word spacing, let's try again with 250 AFM units. Regression caused during my recent term_flushln() reorg in rev. 1.278, reported by brynet@ (sorry and many thanks for reporting).
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