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* Do not print out macro names in tbl(7) data blocks.
* Like with GNU tbl, let empty tables cause a blank line.
* Avoid producing empty tables in -Tman.
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but stop throwing away their arguments. This fixes information loss in a
handful of Xenocara manuals, at the price of a small amount of formatting
noise creeping through.
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to match groff for up to six maximized columns
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* Allow mixing vertical line bars with the layout options
of the preceding layout cell.
* Correctly combine box options with layout lines.
* Correctly print vertical lines in data rows, with the right spacing.
* Correctly print cross markers and left and right ends of
horizontal lines even if vertical lines differ above and below.
* Avoid the bogus error message "no table data cells"
when a table data section starts with a horizontal line.
No increase in code size.
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* Continue parsing even if part of the input is invalid.
* Do not require whitespace between cell specifications.
* Allow tabs as well as blanks between modifiers.
* Mark the 'm' modifier as unsupported.
* Parse and ignore the 'p' and 'v' modifiers.
* Better warning and error messages.
* Get rid of a static buffer.
Improved functionality but minus 50 lines of code.
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* Treat "allbox" as an alias for "box" for now.
* Parse and ignore the GNU tbl "nowarn" option.
* For separation, allow spaces, tabs, and commas only.
* Mark eqn(7) within tbl(7) as unsupported.
* Simplify the option table.
* Improve and sort documentation.
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* Allow the layout to start after the semicolon on the options line.
* Ignore leading commas.
* Option arguments cannot contain closing parentheses.
* Avoid needless UNSUPP messages.
* Better ERROR reporting.
* Delete unused "linesize" field in struct tbl_opts.
* No need for static buffers.
* Garbage collect one almost empty wrapper function.
Improved functionality, but minus 40 lines of code.
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parser. Simplify the code by moving it into the roff(7) parser, also
making it work for mdoc(7).
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is sometimes harmless, it often causes seriously ugly output,
so flag these requests as unsupported rather than ignoring them.
Discussed with naddy@.
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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).
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scaling units, and some manuals (e.g. in devel/grcs) actually use that,
so let's support it. Missing feature reported by naddy@.
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Count special characters with the same width as ASCII characters
and treat all other escape sequences as if they had a width of 0.
Certainly not perfect, but a bit better.
For example, GNU RCS ci(1) needs this; reported by naddy@.
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in the input stream (SOH, STX, ETX, ENQ, ACK, BEL, BS) for specific
purposes (leaders, backspace, delimiters, .tr), but making sure
these don't leak through to the output is tricky, so mark them as
unsupported for now.
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fixes error message content and a use after free
for .so with non-existent target when -Wall or -Tlint is given.
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Idea found together with Alexis Hildebrandt <surryhill at gmail dot com>.
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This is of some relevance because the pod2man(1) preamble abuses it
for the icelandic letter Thorn, instead of simply using \(TP and \(Tp.
Missing feature found by sthen@ in DateTime::Locale::is_IS(3p).
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narrower one, center the latter horizontally. After a group of
characters printed in the same position, advance by the width of
the widest one among them.
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and reduces groff/mandoc differences in OpenBSD base by about 1%
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using mandoc is better than using groff) and -Wunsupp (manual using
unsupported low-level roff(7) feature, probably using groff is better
than using mandoc). Once this feature is complete, it is intended
to help porting, making the decision whether to USE_GROFF easier.
As a first step, distinguish four classes of roff(7) requests:
1. Supported (currently 24 requests)
2. Currently ignored because unimportant (120) -> no message
3. Ignored for good because insecure (14) -> -Werror
4. Currently unsupported (68) -> these trigger the new -Wunsupp messages
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and the name of the syntax elements being described; from tedu@
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Do not append an SQL clause looking into the large "keys" table.
Instead, filter the result of the SQL query in buildnames() where
equivalent data from the much smaller "mlinks" table is already
available for free.
This is relevant because man(1) uses the equivalent of "-S ${MACHINE}"
by default since main.c rev. 1.216, to make sure that manuals for
the current architecture are shown. With many ports installed, this
patch can speed up man(1) by a factor of more than a hundred.
Slowness reported by Theo Buehler <theo at math dot ethz dot ch>, thanks!
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and support the MACHINE environment variable as documented in man(1).
Missing feature reported by pascal@.
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emits them, by default without defining them, relying on the roff(7)
quirk that undefined macros have no effect.
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If a file can be opened, mandoc will produce some output;
at worst, the output may be almost empty.
Simplifies error handling and frees a message type for future use.
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allows to get rid of ROFF_ERR
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missing and unreadable files from SYSERR to ERROR.
Needed for upcoming work.
As a bonus, this minimally simplifies code and documentation.
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do not allow later files to reset it to zero
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We already do the same for malloc(3) failure.
The is no virtue in trying to survive failure of fork(2) and the like.
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cd /usr/src/share/man/man4; vi newdev.4 Makefile; make install; man newdev
When a manual is missing from an outdated database, let man(1)
show it anyway, using a KISS file system lookup as a fallback.
Requested by deraadt@.
87 new lines of code doesn't seem too much bloat to me.
Of course, keeping your mandoc.db(5) files up to date with makewhatis(8)
or weekly(8) is still required for apropos(1) to find your new pages.
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conditional request on the same input line, don't skip the first few
bytes of its content.
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failure; found using detailed information provided by Ulrich Spoerlein
<uqs at FreeBSD> about FreeBSD Coverity CID 1261304.
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manual and its successor groff_mdoc(7), i always considered .Ql as
purely physical markup, but it turns out describing it better allows
to give it a semantic meaning (in-line literal display) that doesn't
contradict existing usage. One less physical, one more semantic
macro, yay!
Found in a discussion with Steffen Nurpmeso <sdaoden at yandex dot com>.
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It is never dereferenced, but it gets copied around, which worries
static analysis tools and might also confuse human auditors.
FreeBSD Coverity CID 1261298, 1261299, 1261300, reported by
Pedro Giffuni and Ulrich Spörlein <pfg@ and uqs@ at FreeBSD>.
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an unclosed conditional body. If the memory contained the byte
sequence "\}" after the end of the buffer before the next NUL, this
could even write beyond the end of the buffer, specifically '&' to
the location of the '}'. Found by jsg@ with afl.
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without the required subsequent argument; found by jsg@ with afl.
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subscripts, superscripts, or "from" or "to" arguments.
Found by jsg@ with afl.
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never as a section. Who would have thought that people call their
manual pages 7z(1), 9c(1), 9p(1), and 9p(3)...
Patch from Sebastien Marie <semarie dash openbsd at latrappe dot fr>.
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defect pointed out by Steffen Nurpmeso <sdaoden at yandex dot com>
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Ingo Schwarze