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.IX Title "nkf 1"
-.TH nkf 1 "2009-01-20" "nkf 2.0.9" " "
+.TH nkf 1 "2018-12-15" "nkf 2.1.5" " "
+.\" For nroff, turn off justification. Always turn off hyphenation; it makes
+.\" way too many mistakes in technical documents.
+.if n .ad l
+.nh
.SH "NAME"
nkf \- Network Kanji Filter
.SH "SYNOPSIS"
.IX Header "DESCRIPTION"
\&\fBNkf\fR is a yet another kanji code converter among networks, hosts and terminals.
It converts input kanji code to designated kanji code
-such as \s-1ISO\-2022\-JP\s0, Shift_JIS, \s-1EUC\-JP\s0, \s-1UTF\-8\s0, \s-1UTF\-16\s0 or \s-1UTF\-32\s0.
+such as \s-1ISO\-2022\-JP,\s0 Shift_JIS, EUC-JP, \s-1UTF\-8, UTF\-16\s0 or \s-1UTF\-32.\s0
.PP
One of the most unique faculty of \fBnkf\fR is the guess of the input kanji encodings.
-It currently recognizes \s-1ISO\-2022\-JP\s0, Shift_JIS, \s-1EUC\-JP\s0, \s-1UTF\-8\s0, \s-1UTF\-16\s0 and \s-1UTF\-32\s0.
+It currently recognizes \s-1ISO\-2022\-JP,\s0 Shift_JIS, EUC-JP, \s-1UTF\-8, UTF\-16\s0 and \s-1UTF\-32.\s0
So users needn't set the input kanji code explicitly.
.PP
By default, X0201 kana is converted into X0208 kana.
-For X0201 kana, \s-1SO/SI\s0, \s-1SSO\s0 and \s-1ESC\-\s0(\-I methods are supported.
+For X0201 kana, \s-1SO/SI, SSO\s0 and \s-1ESC\-\s0(\-I methods are supported.
For automatic code detection, nkf assumes no X0201 kana in Shift_JIS.
To accept X0201 in Shift_JIS, use \fB\-X\fR, \fB\-x\fR or \fB\-S\fR.
+.PP
+multiple options are specified as separate strings, such as
+.PP
+.Vb 1
+\& print nkf(\*(Aq\-\-ic=UTF8\-MAC\*(Aq, \*(Aq\-w\*(Aq, $string), "\en";
+.Ve
+.PP
+except the last arguments.
.SH "OPTIONS"
.IX Header "OPTIONS"
.IP "\fB\-J \-S \-E \-W \-W16 \-W32 \-j \-s \-e \-w \-w16 \-w32\fR" 4
\&\s-1ISO\-2022\-JP\s0 (\s-1JIS\s0 code).
.IP "\fB\-S\fR" 4
.IX Item "-S"
-Shift_JIS and \s-1JIS\s0 X 0201 kana.
+Shift_JIS and \s-1JIS X 0201\s0 kana.
EUC-JP is recognized as X0201 kana. Without \fB\-x\fR flag,
-\&\s-1JIS\s0 X 0201 Katakana (a.k.a.halfwidth kana) is converted into \s-1JIS\s0 X 0208.
+\&\s-1JIS X 0201\s0 Katakana (a.k.a.halfwidth kana) is converted into \s-1JIS X 0208.\s0
If you use Windows, see Windows\-31J (\s-1CP932\s0).
.IP "\fB\-E\fR" 4
.IX Item "-E"
-\&\s-1EUC\-JP\s0.
+EUC-JP.
.IP "\fB\-W\fR" 4
.IX Item "-W"
-\&\s-1UTF\-8N\s0.
+\&\s-1UTF\-8N.\s0
.IP "\fB\-W16[\s-1BL\s0][0]\fR" 4
.IX Item "-W16[BL][0]"
-\&\s-1UTF\-16\s0.
-B or L gives whether Big Endian or Little Endian.
-0 gives whther put \s-1BOM\s0 or not.
+\&\s-1UTF\-16.
+B\s0 or L gives whether Big Endian or Little Endian.
+0 gives whether put \s-1BOM\s0 or not.
.IP "\fB\-W32[\s-1BL\s0][0]\fR" 4
.IX Item "-W32[BL][0]"
-\&\s-1UTF\-32\s0.
-B or L gives whether Big Endian or Little Endian.
-0 gives whther put \s-1BOM\s0 or not.
+\&\s-1UTF\-32.
+B\s0 or L gives whether Big Endian or Little Endian.
+0 gives whether put \s-1BOM\s0 or not.
.RE
.RS 4
.RE
No conversion.
.IP "\fB\-i[@B]\fR" 4
.IX Item "-i[@B]"
-Specify the escape sequence for \s-1JIS\s0 X 0208.
+Specify the escape sequence for \s-1JIS X 0208.\s0
.RS 4
.IP "\fB\-i@\fR" 4
.IX Item "-i@"
-Use \s-1ESC\s0 ( @. (\s-1JIS\s0 X 0208\-1978)
+Use \s-1ESC\s0 ( @. (\s-1JIS X 0208\-1978\s0)
.IP "\fB\-iB\fR" 4
.IX Item "-iB"
-Use \s-1ESC\s0 ( B. (\s-1JIS\s0 X 0208\-1983/1990 \s-1DEFAULT\s0)
+Use \s-1ESC\s0 ( B. (\s-1JIS X 0208\-1983/1990 DEFAULT\s0)
.RE
.RS 4
.RE
.IP "\fB\-o[\s-1BJ\s0]\fR" 4
.IX Item "-o[BJ]"
-Specify the escape sequence for \s-1US\-ASCII/JIS\s0 X 0201 Roman. (\s-1DEFAULT\s0 B)
+Specify the escape sequence for \s-1US\-ASCII/JIS X 0201\s0 Roman. (\s-1DEFAULT B\s0)
.IP "\fB\-r\fR" 4
.IX Item "-r"
{de/en}crypt \s-1ROT13/47\s0
.RE
.IP "\fB\-T\fR" 4
.IX Item "-T"
-Text mode output (\s-1MS\-DOS\s0)
-.IP "\fB\-l\fR" 4
-.IX Item "-l"
-\&\s-1ISO8859\-1\s0 (Latin\-1) support
+Text mode output (MS-DOS)
.IP "\fB\-f[\f(BIm\fB [\- \f(BIn\fB]]\fR" 4
.IX Item "-f[m [- n]]"
Folding on \fIm\fR length with \fIn\fR margin in a line.
New line preserving line folding.
.IP "\fB\-Z[0\-3]\fR" 4
.IX Item "-Z[0-3]"
-Convert X0208 alphabet (Fullwidth Alphabets) to \s-1ASCII\s0.
+Convert X0208 alphabet (Fullwidth Alphabets) to \s-1ASCII.\s0
.RS 4
.IP "\fB\-Z \-Z0\fR" 4
.IX Item "-Z -Z0"
-Convert X0208 alphabet to \s-1ASCII\s0.
+Convert X0208 alphabet to \s-1ASCII.\s0
.IP "\fB\-Z1\fR" 4
.IX Item "-Z1"
Convert X0208 kankaku to single \s-1ASCII\s0 space.
Convert X0208 kankaku to double \s-1ASCII\s0 spaces.
.IP "\fB\-Z3\fR" 4
.IX Item "-Z3"
-Replacing fullwidth >, <, ", & into '>', '<', '"', '&' as in \s-1HTML\s0.
+Replacing fullwidth >, <, ", & into '>', '<', '"', '&' as in \s-1HTML.\s0
.RE
.RS 4
.RE
.IP "\fB\-X \-x\fR" 4
.IX Item "-X -x"
-Assume X0201 kana in MS\-Kanji.
With \fB\-X\fR or without this option, X0201 is converted into X0208 Kana.
With \fB\-x\fR, try to preserve X0208 kana and do not convert X0201 kana to X0208.
-In \s-1JIS\s0 output, \s-1ESC\-\s0(\-I is used. In \s-1EUC\s0 output, \s-1SSO\s0 is used.
+In \s-1JIS\s0 output, \s-1ESC\-\s0(\-I is used. In \s-1EUC\s0 output, \s-1SS2\s0 is used.
.IP "\fB\-B[0\-2]\fR" 4
.IX Item "-B[0-2]"
-Assume broken JIS-Kanji input, which lost \s-1ESC\s0.
+Assume broken JIS-Kanji input, which lost \s-1ESC.\s0
Useful when your site is using old B\-News Nihongo patch.
.RS 4
.IP "\fB\-B1\fR" 4
.IX Item "-B1"
-allows any chars after \s-1ESC\-\s0( or \s-1ESC\-$\s0.
+allows any chars after \s-1ESC\-\s0( or \s-1ESC\-$.\s0
.IP "\fB\-B2\fR" 4
.IX Item "-B2"
-force \s-1ASCII\s0 after \s-1NL\s0.
+force \s-1ASCII\s0 after \s-1NL.\s0
.RE
.RS 4
.RE
(substitute character in Japanese).
.IP "\fB\-m[\s-1BQN0\s0]\fR" 4
.IX Item "-m[BQN0]"
-\&\s-1MIME\s0 \s-1ISO\-2022\-JP/ISO8859\-1\s0 decode. (\s-1DEFAULT\s0)
+\&\s-1MIME ISO\-2022\-JP/ISO8859\-1\s0 decode. (\s-1DEFAULT\s0)
To see \s-1ISO8859\-1\s0 (Latin\-1) \-l is necessary.
.RS 4
.IP "\fB\-mB\fR" 4
.IX Item "-mB"
Decode \s-1MIME\s0 base64 encoded stream. Remove header or other part before
-conversion.
+conversion.
.IP "\fB\-mQ\fR" 4
.IX Item "-mQ"
Decode \s-1MIME\s0 quoted stream. '_' in quoted stream is converted to space.
.RE
.IP "\fB\-l\fR" 4
.IX Item "-l"
-Input and output code is \s-1ISO8859\-1\s0 (Latin\-1) and \s-1ISO\-2022\-JP\s0.
+Input and output code is \s-1ISO8859\-1\s0 (Latin\-1) and \s-1ISO\-2022\-JP.\s0
\&\fB\-s\fR, \fB\-e\fR and \fB\-x\fR are not compatible with this option.
.IP "\fB\-L[uwm] \-d \-c\fR" 4
.IX Item "-L[uwm] -d -c"
.RS 4
.IP "\s-1ISO\-2022\-JP\s0" 4
.IX Item "ISO-2022-JP"
-a.k.a. \s-1RFC1468\s0, 7bit \s-1JIS\s0, \s-1JUNET\s0
-.IP "EUC-JP (eucJP\-nkf)" 4
+a.k.a. \s-1RFC1468,\s0 7bit \s-1JIS, JUNET\s0
+.IP "EUC-JP (eucJP-nkf)" 4
.IX Item "EUC-JP (eucJP-nkf)"
-a.k.a. \s-1AT&T\s0 \s-1JIS\s0, Japanese \s-1EUC\s0, \s-1UJIS\s0
+a.k.a. \s-1AT&T JIS,\s0 Japanese \s-1EUC, UJIS\s0
.IP "eucJP-ascii" 4
.IX Item "eucJP-ascii"
.PD 0
.IP "\s-1CP51932\s0" 4
.IX Item "CP51932"
.PD
-Microsoft Version of \s-1EUC\-JP\s0.
+Microsoft Version of EUC-JP.
.IP "Shift_JIS" 4
.IX Item "Shift_JIS"
-a.k.a. \s-1SJIS\s0, MS-Kanji
+a.k.a. \s-1SJIS,\s0 MS_Kanji
.IP "Windows\-31J" 4
.IX Item "Windows-31J"
a.k.a. \s-1CP932\s0
with this and \-x option, nkf can be used as \s-1UTF\s0 converter.
(In other words, without this and \-x option, nkf doesn't save some characters)
.Sp
-When nkf converts strings that related to path, you should use this opion.
+When nkf converts strings that related to path, you should use this option.
.IP "\fB\-\-cap\-input\fR" 4
.IX Item "--cap-input"
Decode hex encoded characters.
.IX Item "--numchar-input"
Decode character reference, such as \*(L"&#....;\*(R".
.IP "\fB\-\-in\-place[=\fR\fI\s-1SUFFIX\s0\fR\fB]\fR \fB\-\-overwrite[=\fR\fI\s-1SUFFIX\s0\fR\fB]\fR" 4
-.IX Item "--in-place[=SUFFIX] --overwrite[=SUFFIX]"
+.IX Item "--in-place[=SUFFIX] --overwrite[=SUFFIX]"
Overwrite \fBoriginal\fR listed files by filtered result.
.Sp
\&\fBNote\fR \-\-overwrite preserves timestamps of original files.
Ignore rest of \-option.
.SH "AUTHOR"
.IX Header "AUTHOR"
-Copyright (c) 1987, Fujitsu \s-1LTD\s0. (Itaru \s-1ICHIKAWA\s0).
+Copyright (c) 1987, Fujitsu \s-1LTD.\s0 (Itaru \s-1ICHIKAWA\s0).
.PP
-Copyright (c) 1996\-2009, The nkf Project.
+Copyright (c) 1996\-2018, The nkf Project.