Use .Aq instead of \*[Lt]...\*[Gt]; sort SEE ALSO; add some more commas;

new sentence, new line; fix some mdoc nits.
This commit is contained in:
wiz 2003-04-28 09:38:19 +00:00
parent 86be450da2
commit abe0b8ad64
1 changed files with 68 additions and 33 deletions

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@ -1,4 +1,4 @@
.\" $NetBSD: printf.1,v 1.18 2003/04/28 09:26:34 augustss Exp $
.\" $NetBSD: printf.1,v 1.19 2003/04/28 09:38:19 wiz Exp $
.\"
.\" Copyright (c) 1989, 1990, 1993
.\" The Regents of the University of California. All rights reserved.
@ -65,7 +65,7 @@ after the first are treated as strings if the corresponding format is
either
.Cm b ,
.Cm B ,
.Cm c
.Cm c ,
or
.Cm s ;
otherwise it is evaluated as a C constant, with the following extensions:
@ -89,25 +89,45 @@ Character escape sequences are in backslash notation as defined in
The characters and their meanings are as follows:
.Bl -tag -width Ds -offset indent
.It Cm \ee
Write an \*[Lt]escape\*[Gt] character.
Write an
.Aq escape
character.
.It Cm \ea
Write a \*[Lt]bell\*[Gt] character.
Write a
.Aq bell
character.
.It Cm \eb
Write a \*[Lt]backspace\*[Gt] character.
Write a
.Aq backspace
character.
.It Cm \ef
Write a \*[Lt]form-feed\*[Gt] character.
Write a
.Aq form-feed
character.
.It Cm \en
Write a \*[Lt]new-line\*[Gt] character.
Write a
.Aq new-line
character.
.It Cm \er
Write a \*[Lt]carriage return\*[Gt] character.
Write a
.Aq carriage return
character.
.It Cm \et
Write a \*[Lt]tab\*[Gt] character.
Write a
.Aq tab
character.
.It Cm \ev
Write a \*[Lt]vertical tab\*[Gt] character.
Write a
.Aq vertical tab
character.
.It Cm \e\'
Write a \*[Lt]single quote\*[Gt] character.
Write a
.Aq single quote
character.
.It Cm \e"
Write a \*[Lt]double quote\*[Gt] character.
Write a
.Aq double quote
character.
.It Cm \e\e
Write a backslash character.
.It Cm \e Ns Ar num
@ -123,15 +143,17 @@ value is the 1\- or 2\-digit hexadecimal number
.El
.Pp
Each format specification is introduced by the percent character
(``%'').
.Pq Dq \&% .
The remainder of the format specification includes,
in the following order:
.Bl -tag -width Ds
.It "Zero or more of the following flags:"
.It Zero or more of the following flags :
.Bl -tag -width Ds
.It Cm #
A `#' character
specifying that the value should be printed in an ``alternative form''.
A
.Sq #
character specifying that the value should be printed in an
.Dq alternative form .
For
.Cm b ,
.Cm c ,
@ -151,9 +173,9 @@ format, a non-zero result has the string
.Pq Li 0X
prepended to it.
For
.Cm e ,
.Cm e ,
.Cm E ,
.Cm f ,
.Cm f ,
.Cm g ,
and
.Cm G
@ -171,22 +193,32 @@ would otherwise be.
.\" .Cm B
.\" format, backslash-escape sequences are expanded first;
.It Cm \&\-
A minus sign `\-' which specifies
A minus sign
.Sq \-
which specifies
.Em left adjustment
of the output in the indicated field;
.It Cm \&+
A `+' character specifying that there should always be
A
.Sq \&+
character specifying that there should always be
a sign placed before the number when using signed formats.
.It Sq \&\ \&
A space specifying that a blank should be left before a positive number
for a signed format.
A `+' overrides a space if both are used;
A
.Sq \&+
overrides a space if both are used;
.It Cm \&0
A zero `0' character indicating that zero-padding should be used
rather than blank-padding.
A `\-' overrides a `0' if both are used;
A
.Sq \-
overrides a
.Sq \&0
if both are used;
.El
.It "Field Width:"
.It Field Width :
An optional digit string specifying a
.Em field width ;
if the output string has fewer characters than the field width it will
@ -195,7 +227,7 @@ has been given) to make up the field width (note that a leading zero
is a flag, but an embedded zero is part of a field width);
.It Precision :
An optional period,
.Sq Cm \&.\& ,
.Sq Cm \&. ,
followed by an optional digit string giving a
.Em precision
which specifies the number of digits to appear after the decimal point,
@ -206,9 +238,9 @@ and
formats, or the maximum number of characters to be printed
from a string
.Sm off
.Pf ( Cm b No ,
.Pf ( Cm b ,
.Sm on
.Cm B
.Cm B ,
and
.Cm s
formats); if the digit string is missing, the precision is treated
@ -255,7 +287,9 @@ where there
is one digit before the decimal point and the number after is equal to
the precision specification for the argument; when the precision is
missing, 6 digits are produced.
An upper-case E is used for an `E' format.
An upper-case E is used for an
.Sq E
format.
.It Cm gG
The
.Ar argument
@ -285,16 +319,16 @@ value is the 1\-, 2\-, or 3\-digit
octal number
.Ar num .
.It Cm \e^ Ns Ar c
Write the control character
Write the control character
.Ar c .
Generates characters `\e000' through `\e037`, and `\e177' (from `\e^?').
.It Cm \eM\- Ns Ar c
Write the character
Write the character
.Ar c
with the 8th bit set.
Generates characters `\e241' through `\e376`.
.It Cm \eM^ Ns Ar c
Write the control character
Write the control character
.Ar c
with the 8th bit set.
Generates characters `\e000' through `\e037`, and `\e177' (from `\eM^?').
@ -334,8 +368,8 @@ exits 0 on success, 1 on failure.
.Sh SEE ALSO
.Xr echo 1 ,
.Xr printf 3 ,
.Xr printf 9 ,
.Xr vis 3
.Xr vis 3 ,
.Xr printf 9
.Sh STANDARDS
The
.Nm
@ -354,5 +388,6 @@ to floating-point and
then back again, floating-point precision may be lost.
.Pp
Hexadecimal character constants are restricted to, and should be specified
as, two character constants. This is contrary to the ISO C standard but
as, two character constants.
This is contrary to the ISO C standard but
does guarantee detection of the end of the constant.