man pages: add missing commas between subordinate and main clauses

jmc@ dislikes a comma before "then" in a conditional, so leave those
untouched.

ok jmc@

Usually, -width Fl (which is 10n) is too wide and hence ugly.
Change several instances, most of them to the usual -width Ds.

Old diff found in my tree: Add HISTORY; info from the CSRG CDs.

Reduce instances of `` '' in manuals.

troff displays these as typographic quotes, but nroff implementations
almost always print them literally, which rarely has the intended effect
with modern fonts

Reduce instances of `` '' in manuals.

troff displays these as typographic quotes, but nroff implementations
almost always print them literally, which rarely has the intended effect
with modern fonts, even in stock xterm.

These uses of `` '' can be replaced either with more semantic alternatives
or with Dq, which prints typographic quotes in a UTF-8 locale (but will
automatically fall back to `` '' in an ASCII locale).

improvements and ok schwarze@

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Fix description and table of _u; with jmc@

sync -x, default and example in man page as they should be;
ok jmc@ millert@

- note that quotes may have to be escaped from the shell and add an example
(requested by Michael W. Bombardieri, who also provided the example; otto
provided a better description)

- reword the rest

- note that quotes may have to be escaped from the shell and add an example
(requested by Michael W. Bombardieri, who also provided the example; otto
provided a better description)

- reword the rest of the descriptions in EXAMPLES to make them a bit clearer

ok otto

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add an EXIT STATUS section for /usr/bin;

The correct value of DEL is 0x7F, not 0xFF. This is purely a documentation
issue--od(1) and hexdump(1) behave as expected. From FreeBSD.

convert to new .Dd format;

sort options and sync usage();

switch to .Ex and remove some unnecessary brackets;

fix some dodgy displays;

Accept a leading 0x for the -n length parameter.

Correctly check for out-of-bounds values for -s skip parameter, and use
strtoll to parse it instead of strtol since this is an off_t value.

Remove the advertising clause in the UCB license which Berkeley
rescinded 22 July 1999. Proofed by myself and Theo.

Changes come from NetBSD, Lite-2 and me. ok deraadt
od(1):
- Enable support for printing 8-byte integers.
- Added -C option for hexadecimal+ASCII display.
- Fix od so it displays short files contain

Changes come from NetBSD, Lite-2 and me. ok deraadt
od(1):
- Enable support for printing 8-byte integers.
- Added -C option for hexadecimal+ASCII display.
- Fix od so it displays short files containing nulls.
- POSIXification: The C, S, I and L modifiers now behave correctly,
specifying output in units of a char, short, int and long (as defined by
the host system) respectively. Support -N, equivalent to hexdump's
-n (format only COUNT bytes of input). Add -j option which does the
same thing as -s in hexdump (skipping some of the input).
hexdump(1):
- POSIX.2 doesn't specify hexdump so it can't be compatible with it...
- add missing trailing \n in usage() printf

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Change all option list specifications to ".Bl -tag -width Ds". Most man
pages just needed their -width parameter tweaked to "Ds", which provides
a nice width of 6 constant characters. For consistency

Change all option list specifications to ".Bl -tag -width Ds". Most man
pages just needed their -width parameter tweaked to "Ds", which provides
a nice width of 6 constant characters. For consistency more than anything.

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Various cleanups and standardizations.

Various cleanup.

sync names of arguments in SYNOPSIS with those in the option's description

correct use of .Nm; some other formatting nits

- remove trailing white space
- remove arguments from .Os macros
- remove arguments from .Nm macros, where appropriate
- some more Dq/Sq/Ql insanity
- still lots to do in the usr.bin tree... :/

be really pedantic about punctuation following -mdoc macro'd text

usr.bin/ man page fixes, f-m.

delete adb(1) Xref