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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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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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when .Os has no argument, so do the same for man(7) when .TH has less
than four arguments; there is no reason to treat both differently.
Issue found following a question from Thomas Klausner <wiz at NetBSD>.
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ok schwarze
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Usually, -h output is short, so the pager is just a nuisance.
Also, traditional man(1) does not use a pager for -h.
Triggered by a remark of deraadt@ on ICB.
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of kristaps@' version of the preconv(1) utility into mandoc(1);
positive feedback from bentley@ and no concern raised when shown on tech@
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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.
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Basically, this does the same as man -l in Linux man-db.
The point is that now all functionality of the combined tool
is reachable from the man(1) command name:
apropos = man -k, whatis = man -f, mandoc = man -cl.
Originally suggested by Carsten dot Kunze at arcor dot de,
current maintainer of the Heirloom Documentation Tools.
While here, add various missing information to the usage()
and to the manuals.
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provide a unified set of command line options for mandoc(1), man(1),
apropos(1), and whatis(1), each option doing the same for all four.
Not adding any completely new options, only extending exiting ones
from one tool to the others. New options are:
* apropos & whatis -acfkw (in the past, these were man(1) only)
* apropos & whatis -a -IOTW (in the past, mandoc(1) only)
* mandoc -ac (in the past, man(1) only)
* man -IOTW (in the past, mandoc(1) only)
Before we can decide whether or not we want to replace src/usr.bin/man
with this implementation, considerable bugfixing, testing, and
performance measurements are needed, which i'd rather do in the tree
than outside. Note that these bugs only affect the new man(1) mode,
existing mandoc(1), apropos(1), and whatis(1) is fine.
The new functionality in mandoc(1), apropos(1), and whatis(1)
is fully enabled. To play with the new man(1), you can try:
# mv /usr/bin/man /usr/bin/oman
# ln -s /usr/bin/mandoc /usr/bin/man
Positive feedback about the general direction from sthen@ and jmc@,
and deraadt@ is not against it.
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schwarze
jmc