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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:44:05 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:44:05 +0000 |
| commit | d318611dd6f23fcfedd50e9b9e24620b102ba96a (patch) | |
| tree | 8b9eef82ca40fdd5a8deeabf07572074c236095d /doc/groff.html.node/Input-Encodings.html | |
| parent | Initial commit. (diff) | |
| download | groff-d318611dd6f23fcfedd50e9b9e24620b102ba96a.tar.xz groff-d318611dd6f23fcfedd50e9b9e24620b102ba96a.zip | |
Adding upstream version 1.23.0.upstream/1.23.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'doc/groff.html.node/Input-Encodings.html')
| -rw-r--r-- | doc/groff.html.node/Input-Encodings.html | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/doc/groff.html.node/Input-Encodings.html b/doc/groff.html.node/Input-Encodings.html new file mode 100644 index 0000000..f9ef79d --- /dev/null +++ b/doc/groff.html.node/Input-Encodings.html @@ -0,0 +1,154 @@ +<!DOCTYPE html> +<html> +<!-- Created by GNU Texinfo 7.0.3, https://www.gnu.org/software/texinfo/ --> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> +<!-- This manual documents GNU troff version 1.23.0. + +Copyright © 1994-2023 Free Software Foundation, Inc. + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with no +Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A +copy of the license is included in the section entitled "GNU Free +Documentation License". --> +<title>Input Encodings (The GNU Troff Manual)</title> + +<meta name="description" content="Input Encodings (The GNU Troff Manual)"> +<meta name="keywords" content="Input Encodings (The GNU Troff Manual)"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<meta name="viewport" content="width=device-width,initial-scale=1"> + +<link href="index.html" rel="start" title="Top"> +<link href="Request-Index.html" rel="index" title="Request Index"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="Text.html" rel="up" title="Text"> +<link href="Input-Conventions.html" rel="next" title="Input Conventions"> +<link href="Macro-Packages.html" rel="prev" title="Macro Packages"> +<style type="text/css"> +<!-- +a.copiable-link {visibility: hidden; text-decoration: none; line-height: 0em} +span.w-nolinebreak-text {white-space: nowrap} +span:hover a.copiable-link {visibility: visible} +--> +</style> + + +</head> + +<body lang="en"> +<div class="subsection-level-extent" id="Input-Encodings"> +<div class="nav-panel"> +<p> +Next: <a href="Input-Conventions.html" accesskey="n" rel="next">Input Conventions</a>, Previous: <a href="Macro-Packages.html" accesskey="p" rel="prev">Macro Packages</a>, Up: <a href="Text.html" accesskey="u" rel="up">Text</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Request-Index.html" title="Index" rel="index">Index</a>]</p> +</div> +<hr> +<h4 class="subsection" id="Input-Encodings-1">5.1.9 Input Encodings</h4> + +<p>The <code class="command">groff</code> command’s <samp class="option">-k</samp> option calls the +<code class="command">preconv</code> preprocessor to perform input character encoding +conversions. Input to the GNU <code class="code">troff</code> formatter itself, on the +other hand, must be in one of two encodings it can recognize. +</p> +<dl class="table"> +<dt id='index-encoding_002c-input_002c-EBCDIC'><span><code class="code">cp1047</code><a class="copiable-link" href='#index-encoding_002c-input_002c-EBCDIC'> ¶</a></span></dt> +<dd><a class="index-entry-id" id="index-EBCDIC_002c-input-encoding"></a> +<a class="index-entry-id" id="index-input-encoding_002c-EBCDIC"></a> +<a class="index-entry-id" id="index-encoding_002c-input_002c-code-page-1047"></a> +<a class="index-entry-id" id="index-code-page-1047_002c-input-encoding"></a> +<a class="index-entry-id" id="index-input-encoding_002c-code-page-1047"></a> +<a class="index-entry-id" id="index-IBM-code-page-1047-input-encoding"></a> +<a class="index-entry-id" id="index-cp1047_002etmac"></a> +<p>The code page 1047 input encoding works only on <abbr class="acronym">EBCDIC</abbr> +platforms (and conversely, the other input encodings don’t work with +<abbr class="acronym">EBCDIC</abbr>); the file <samp class="file">cp1047.tmac</samp> is loaded at startup. +</p> +</dd> +<dt id='index-encoding_002c-input_002c-Latin_002d1-_0028ISO-8859_002d1_0029'><span><code class="code">latin1</code><a class="copiable-link" href='#index-encoding_002c-input_002c-Latin_002d1-_0028ISO-8859_002d1_0029'> ¶</a></span></dt> +<dd><a class="index-entry-id" id="index-Latin_002d1-_0028ISO-8859_002d1_0029_002c-input-encoding"></a> +<a class="index-entry-id" id="index-ISO-8859_002d1-_0028Latin_002d1_0029_002c-input-encoding"></a> +<a class="index-entry-id" id="index-input-encoding_002c-Latin_002d1-_0028ISO-8859_002d1_0029"></a> +<a class="index-entry-id" id="index-latin1_002etmac"></a> +<p>ISO <span class="w-nolinebreak-text">Latin-1</span><!-- /@w -->, an encoding for Western European languages, is the +default input encoding on non-<abbr class="acronym">EBCDIC</abbr> platforms; the file +<samp class="file">latin1.tmac</samp> is loaded at startup. +</p></dd> +</dl> + +<p>Any document that is encoded in ISO 646:1991 (a descendant of USAS +<span class="w-nolinebreak-text">X3.4-1968</span><!-- /@w --> or “US-ASCII”), or, equivalently, uses only code points +from the “C0 Controls” and “Basic Latin” parts of the Unicode +character set is also a valid ISO <span class="w-nolinebreak-text">Latin-1</span><!-- /@w --> document; the standards +are interchangeable in their first 128 code points.<a class="footnote" id="DOCF30" href="groff.html_fot.html#FOOT30"><sup>30</sup></a> +</p> +<p>Other encodings are supported by means of macro packages. +</p> +<dl class="table"> +<dt id='index-encoding_002c-input_002c-Latin_002d2-_0028ISO-8859_002d2_0029'><span><code class="code">latin2</code><a class="copiable-link" href='#index-encoding_002c-input_002c-Latin_002d2-_0028ISO-8859_002d2_0029'> ¶</a></span></dt> +<dd><a class="index-entry-id" id="index-Latin_002d2-_0028ISO-8859_002d2_0029_002c-input-encoding"></a> +<a class="index-entry-id" id="index-ISO-8859_002d2-_0028Latin_002d2_0029_002c-input-encoding"></a> +<a class="index-entry-id" id="index-input-encoding_002c-Latin_002d2-_0028ISO-8859_002d2_0029"></a> +<a class="index-entry-id" id="index-latin2_002etmac"></a> +<p>To use ISO <span class="w-nolinebreak-text">Latin-2</span><!-- /@w -->, an encoding for Central and Eastern European +languages, invoke ‘<samp class="samp">.mso latin2.tmac</samp>’<!-- /@w --> at the beginning of your +document or supply ‘<samp class="samp">-mlatin2</samp>’ as a command-line argument to +<code class="code">groff</code>. +</p> +</dd> +<dt id='index-encoding_002c-input_002c-Latin_002d5-_0028ISO-8859_002d9_0029'><span><code class="code">latin5</code><a class="copiable-link" href='#index-encoding_002c-input_002c-Latin_002d5-_0028ISO-8859_002d9_0029'> ¶</a></span></dt> +<dd><a class="index-entry-id" id="index-Latin_002d5-_0028ISO-8859_002d9_0029_002c-input-encoding"></a> +<a class="index-entry-id" id="index-ISO-8859_002d9-_0028Latin_002d5_0029_002c-input-encoding"></a> +<a class="index-entry-id" id="index-input-encoding_002c-Latin_002d5-_0028ISO-8859_002d9_0029"></a> +<a class="index-entry-id" id="index-latin5_002etmac"></a> +<p>To use ISO <span class="w-nolinebreak-text">Latin-5</span><!-- /@w -->, an encoding for the Turkish language, invoke +‘<samp class="samp">.mso latin5.tmac</samp>’<!-- /@w --> at the beginning of your document or +supply ‘<samp class="samp">-mlatin5</samp>’ as a command-line argument to <code class="code">groff</code>. +</p> +</dd> +<dt id='index-encoding_002c-input_002c-Latin_002d9-_0028ISO-8859_002d15_0029'><span><code class="code">latin9</code><a class="copiable-link" href='#index-encoding_002c-input_002c-Latin_002d9-_0028ISO-8859_002d15_0029'> ¶</a></span></dt> +<dd><a class="index-entry-id" id="index-Latin_002d9-_0028ISO-8859_002d15_0029_002c-input-encoding"></a> +<a class="index-entry-id" id="index-ISO-8859_002d15-_0028Latin_002d9_0029_002c-input-encoding"></a> +<a class="index-entry-id" id="index-input-encoding_002c-Latin_002d9-_0028ISO-8859_002d15_0029"></a> +<a class="index-entry-id" id="index-latin9_002etmac"></a> +<p>ISO <span class="w-nolinebreak-text">Latin-9</span><!-- /@w --> succeeds <span class="w-nolinebreak-text">Latin-1</span><!-- /@w -->; it includes a Euro sign and better +glyph coverage for French. To use this encoding, invoke ‘<samp class="samp">.mso latin9.tmac</samp>’<!-- /@w --> at the beginning of your document or supply +‘<samp class="samp">-mlatin9</samp>’ as a command-line argument to <code class="code">groff</code>. +</p></dd> +</dl> + +<p>Some characters from an input encoding may not be available with a +particular output driver, or their glyphs may not have representation in +the font used. For terminal devices, fallbacks are defined, like +‘<samp class="samp">EUR</samp>’ for the Euro sign and ‘<samp class="samp">(C)</samp>’ for the copyright sign. For +typesetter devices, you may need to “mount” fonts that support glyphs +required by the document. See <a class="xref" href="Font-Positions.html">Font Positions</a>. +</p> +<a class="index-entry-id" id="index-freeeuro_002epfa"></a> +<a class="index-entry-id" id="index-ec_002etmac"></a> +<p>Because a Euro glyph was not historically defined in PostScript fonts, +<code class="code">groff</code> comes with a font called <samp class="file">freeeuro.pfa</samp> that provides +the Euro in several styles. Standard PostScript fonts contain the +glyphs from <span class="w-nolinebreak-text">Latin-5</span><!-- /@w --> and <span class="w-nolinebreak-text">Latin-9</span><!-- /@w --> that <span class="w-nolinebreak-text">Latin-1</span><!-- /@w --> lacks, so these +encodings are supported for the <samp class="option">ps</samp> and <samp class="option">pdf</samp> output +devices as <code class="code">groff</code> ships, while <span class="w-nolinebreak-text">Latin-2</span><!-- /@w --> is not. +</p> +<p>Unicode supports characters from all other input encodings; the +<samp class="option">utf8</samp> output driver for terminals therefore does as well. The +DVI output driver supports the <span class="w-nolinebreak-text">Latin-2</span><!-- /@w --> and <span class="w-nolinebreak-text">Latin-9</span><!-- /@w --> encodings if +the command-line option <samp class="option">-mec</samp> is used as well. <a class="footnote" id="DOCF31" href="groff.html_fot.html#FOOT31"><sup>31</sup></a> +</p> + +</div> +<hr> +<div class="nav-panel"> +<p> +Next: <a href="Input-Conventions.html">Input Conventions</a>, Previous: <a href="Macro-Packages.html">Macro Packages</a>, Up: <a href="Text.html">Text</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Request-Index.html" title="Index" rel="index">Index</a>]</p> +</div> + + + +</body> +</html> |