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path: root/language/greek/greek-fontenc/greek-fontenc-doc.html
blob: bfdaf9b57ce2163850d3a83e622f5dc9edc1273b (plain)
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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta charset="utf-8" />
<meta name="generator" content="Docutils 0.20b.dev: https://docutils.sourceforge.io/" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="dcterms.rights" content="© 2010 – 2023 Günter Milde &lt;milde&#64;users.sf.net&gt;" />
<title>greek-fontenc</title>
<link rel="schema.dcterms" href="http://purl.org/dc/terms/"/>
<style type="text/css">

/* Minimal style sheet for the HTML output of Docutils.                    */
/*                                                                         */
/* :Author: Günter Milde, based on html4css1.css by David Goodger          */
/* :Id: $Id$                                                               */
/* :Copyright: © 2015, 2021 Günter Milde.                                  */
/* :License: Released under the terms of the `2-Clause BSD license`_,      */
/*    in short:                                                            */
/*                                                                         */
/*    Copying and distribution of this file, with or without modification, */
/*    are permitted in any medium without royalty provided the copyright   */
/*    notice and this notice are preserved.                                */
/*                                                                         */
/*    This file is offered as-is, without any warranty.                    */
/*                                                                         */
/* .. _2-Clause BSD license: http://www.spdx.org/licenses/BSD-2-Clause     */

/* This CSS3 stylesheet defines rules for Docutils elements without        */
/* HTML equivalent. It is required to make the document semantics visible. */
/*                                                                         */
/* .. _validates: http://jigsaw.w3.org/css-validator/validator$link        */

/* titles */
p.topic-title,
p.admonition-title,
p.system-message-title {
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p.sidebar-title,
p.rubric {
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  font-size: larger;
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p.rubric {
  color: maroon;
}
p.subtitle,
p.section-subtitle,
p.sidebar-subtitle {
  font-weight: bold;
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}
h1 + p.subtitle {
  font-size: 1.6em;
}
a.toc-backref {
  color: inherit;
  text-decoration: none;
}

/* Warnings, Errors */
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.system-message-title,
span.problematic {
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/* Lists */

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/* Nested Paragraphs */
p:first-child { margin-top: 0; }
p:last-child { margin-bottom: 0; }
details > p:last-child { margin-bottom: 1em; }

/* Table of Contents */
.contents ul.auto-toc { /* section numbers present */
  list-style-type: none;
}

/* Enumerated Lists */
ol.arabic     { list-style: decimal }
ol.loweralpha { list-style: lower-alpha }
ol.upperalpha { list-style: upper-alpha }
ol.lowerroman { list-style: lower-roman }
ol.upperroman { list-style: upper-roman }

/* Definition Lists and Derivatives */
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dt .classifier:before {
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/* Field Lists and similar */
/* bold field name, content starts on the same line */
dl.field-list,
dl.option-list,
dl.docinfo {
  display: flow-root;
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dl.field-list > dt,
dl.option-list > dt,
dl.docinfo > dt {
  font-weight: bold;
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  float: left;
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  padding-right: 0.2em;
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/* Offset for field content (corresponds to the --field-name-limit option) */
dl.field-list > dd,
dl.option-list > dd,
dl.docinfo > dd {
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/* start field-body on a new line after long field names */
dl.field-list > dd > *:first-child,
dl.option-list > dd > *:first-child
{
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/* Bibliographic Fields (docinfo) */
dl.docinfo pre.address {
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dl.docinfo > dd.authors > p { margin: 0; }

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span.option { white-space: nowrap; }

/* Footnotes and Citations  */

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/* hanging indent */
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.citation > .label { margin-left: -2em; }
.footnote > .label { margin-left: -1.7em; }
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.footnote > .label + *,
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.footnote > .backrefs + *,
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}
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.align-middle { vertical-align: middle; }
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/* reset inner alignment in figures and tables */
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/* Text Blocks */
.topic { margin: 1em 2em; }
.sidebar,
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.system-message {
  margin: 1em 2em;
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  padding: 0.5em 1em;
}
div.line-block { display: block; }
div.line-block div.line-block, pre { margin-left: 2em; }

/* Code line numbers: dropped when copying text from the page */
pre.code .ln { display: none; }
pre.code code:before {
  content: attr(data-lineno); /* …, none) fallback not supported by any browser */
  color: gray;
}

/* Tables */
table {
  border-collapse: collapse;
}
td, th {
  border: thin solid silver;
  padding: 0 1ex;
}
.borderless td, .borderless th {
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  padding: 0;
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}

table > caption {
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  margin-top: 0.2em;
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}
table.captionbelow {
  caption-side: bottom;
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/* Document Header and Footer */
header { border-bottom: 1px solid black; }
footer { border-top: 1px solid black; }

/* Images are block-level by default in Docutils */
/* New HTML5 block elements: set display for older browsers */
img, header, footer, main, aside, nav, section, figure, video, details {
  display: block;
}
/* inline images */
p img, p video, figure img, figure video {
  display: inline;
}

</style>
<style type="text/css">

/* CSS3_ style sheet for the output of Docutils HTML5 writer.  */
/* Generic responsive design for all screen sizes.                         */
/*                                                                         */
/* :Author: Günter Milde                                                   */
/*                                                                         */
/* :Id: $Id$                                                               */
/* :Copyright: © 2021 Günter Milde.                                        */
/* :License: Released under the terms of the `2-Clause BSD license`_,      */
/*    in short:                                                            */
/*                                                                         */
/*    Copying and distribution of this file, with or without modification, */
/*    are permitted in any medium without royalty provided the copyright   */
/*    notice and this notice are preserved.                                */
/*                                                                         */
/*    This file is offered as-is, without any warranty.                    */
/*                                                                         */
/* .. _2-Clause BSD license: http://www.spdx.org/licenses/BSD-2-Clause     */
/* .. _CSS3: https://www.w3.org/Style/CSS/                                 */

/* Note:     								   */
/* This style sheet is provisional:					   */
/* the API is not settled and may change with any minor Docutils version.  */



/* General Settings */
/* ================ */


* { box-sizing: border-box; }

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<body class="with-toc">
<main id="greek-fontenc">
<h1 class="title">greek-fontenc</h1>
<p class="subtitle" id="greek-font-encoding-definition-files">Greek font encoding definition files</p>
<dl class="docinfo">
<dt class="version">Version<span class="colon">:</span></dt>
<dd class="version">2.2.2 (<a class="reference internal" href="#changelog">changelog</a>)</dd>
<dt class="copyright">Copyright<span class="colon">:</span></dt>
<dd class="copyright">© 2010 – 2023 Günter Milde &lt;<a class="reference external" href="mailto:milde&#64;users.sf.net">milde&#64;users.sf.net</a>&gt;</dd>
<dt class="licence">Licence<span class="colon">:</span></dt>
<dd class="licence"><p>This work may be distributed and/or modified under the
conditions of the <a class="reference external" href="http://www.latex-project.org/lppl.txt">LaTeX Project Public License</a>, either
version 1.3 of this license or any later version.</p>
</dd>
<dt class="homepage">Homepage<span class="colon">:</span></dt>
<dd class="homepage"><p><a class="reference external" href="https://codeberg.org/milde/greek-tex">https://codeberg.org/milde/greek-tex</a></p>
</dd>
<dt class="latest-release">Latest Release<span class="colon">:</span></dt>
<dd class="latest-release"><p><a class="reference external" href="https://ctan.org/pkg/greek-fontenc">https://ctan.org/pkg/greek-fontenc</a></p>
</dd>
</dl>
<div class="topic abstract" role="doc-abstract">
<p class="topic-title">Abstract</p>
<p>The <cite>greek-fontenc</cite> bundle provides LICR<a class="footnote-reference superscript" href="#footnote-1" id="footnote-reference-1" role="doc-noteref"><span class="fn-bracket">[</span>1<span class="fn-bracket">]</span></a> macros
for characters from the Greek script and encoding
definition files for <a class="reference internal" href="#greek-text-font-encodings">Greek text font encodings</a>.</p>
<p>Included are also the LaTeX packages <a class="reference internal" href="#textalpha">textalpha</a> and <a class="reference internal" href="#alphabeta">alphabeta</a>.</p>
</div>
<aside class="footnote-list superscript">
<aside class="footnote superscript" id="footnote-1" role="doc-footnote">
<span class="label"><span class="fn-bracket">[</span><a role="doc-backlink" href="#footnote-reference-1">1</a><span class="fn-bracket">]</span></span>
<p><cite>LaTeX internal character representation</cite> (LICR) macros can
serve as a human readable 7-bit-ASCII character encoding that
works unaltered under both, 8-bit TeX and XeTeX/LuaTeX.
Use cases are macro definitions and generated text.</p>
</aside>
</aside>
<nav class="contents" id="contents" role="doc-toc">
<p class="topic-title">Contents</p>
<ul class="simple">
<li><p><a class="reference internal" href="#tex-files-and-packages" id="toc-entry-1">TeX files and packages</a></p>
<ul>
<li><p><a class="reference internal" href="#packages" id="toc-entry-2">Packages</a></p></li>
<li><p><a class="reference internal" href="#font-encoding-definitions" id="toc-entry-3">Font encoding definitions</a></p></li>
<li><p><a class="reference internal" href="#auxiliary-files" id="toc-entry-4">Auxiliary files</a></p></li>
</ul>
</li>
<li><p><a class="reference internal" href="#usage-examples-and-test-documents" id="toc-entry-5">Usage examples and test documents</a></p></li>
<li><p><a class="reference internal" href="#download-and-installation" id="toc-entry-6">Download and Installation</a></p></li>
<li><p><a class="reference internal" href="#conflicts" id="toc-entry-7">Conflicts</a></p></li>
<li><p><a class="reference internal" href="#usage" id="toc-entry-8">Usage</a></p></li>
<li><p><a class="reference internal" href="#greek-text-font-encodings" id="toc-entry-9">Greek text font encodings</a></p>
<ul>
<li><p><a class="reference internal" href="#t7" id="toc-entry-10">T7</a></p></li>
<li><p><a class="reference internal" href="#lgr" id="toc-entry-11">LGR</a></p></li>
<li><p><a class="reference internal" href="#lgi" id="toc-entry-12">LGI</a></p></li>
<li><p><a class="reference internal" href="#tu" id="toc-entry-13">TU</a></p></li>
<li><p><a class="reference internal" href="#pu" id="toc-entry-14">PU</a></p></li>
</ul>
</li>
<li><p><a class="reference internal" href="#greek-licr-macro-names" id="toc-entry-15">Greek LICR macro names</a></p>
<ul>
<li><p><a class="reference internal" href="#letters-and-symbols" id="toc-entry-16">letters and symbols</a></p></li>
<li><p><a class="reference internal" href="#accent-macros" id="toc-entry-17">accent macros</a></p></li>
<li><p><a class="reference internal" href="#symbol-variants" id="toc-entry-18">symbol variants</a></p></li>
</ul>
</li>
<li><p><a class="reference internal" href="#changelog" id="toc-entry-19">Changelog</a></p></li>
<li><p><a class="reference internal" href="#references" id="toc-entry-20">References</a></p></li>
</ul>
</nav>
<section id="tex-files-and-packages">
<h2><a class="toc-backref" href="#toc-entry-1" role="doc-backlink">TeX files and packages</a></h2>
<section id="packages">
<h3><a class="toc-backref" href="#toc-entry-2" role="doc-backlink">Packages</a></h3>
<dl class="simple" id="textalpha">
<dt><a class="reference external" href="textalpha.sty">textalpha.sty</a>: <a class="reference external" href="textalpha.sty.html">Greek symbols in text</a></dt>
<dd><p>Use <span class="docutils literal">\textalpha</span> … <span class="docutils literal">\textOmega</span> or Greek literal characters<a class="footnote-reference superscript" href="#footnote-2" id="footnote-reference-2" role="doc-noteref"><span class="fn-bracket">[</span>2<span class="fn-bracket">]</span></a>
independent of font encoding and TeX engine. [<a class="reference external" href="textalpha-doc.pdf">textalpha-doc.pdf</a>]</p>
</dd>
<dt id="alphabeta"><a class="reference external" href="alphabeta.sty">alphabeta.sty</a>: <a class="reference external" href="alphabeta.sty.html">Greek symbols in text and math</a></dt>
<dd><p>Use <span class="docutils literal">\alpha</span> … <span class="docutils literal">\Omega</span> independent of text/math mode,
font encoding, and TeX engine. [<a class="reference external" href="alphabeta-doc.pdf">alphabeta-doc.pdf</a>]</p>
</dd>
</dl>
<aside class="footnote-list superscript">
<aside class="footnote superscript" id="footnote-2" role="doc-footnote">
<span class="label"><span class="fn-bracket">[</span><a role="doc-backlink" href="#footnote-reference-2">2</a><span class="fn-bracket">]</span></span>
<p>requires <a class="reference external" href="https://ctan.org/pkg/greek-inputenc">greek-inputenc</a></p>
</aside>
</aside>
</section>
<section id="font-encoding-definitions">
<h3><a class="toc-backref" href="#toc-entry-3" role="doc-backlink">Font encoding definitions</a></h3>
<dl class="simple" id="lgr-font-encoding-definition-file">
<dt><a class="reference external" href="greek-fontenc.def">greek-fontenc.def</a></dt>
<dd><p><a class="reference external" href="greek-fontenc.def.html">Common Greek font encoding definitions</a></p>
</dd>
<dt><a class="reference external" href="lgrenc.def">lgrenc.def</a></dt>
<dd><p><a class="reference external" href="lgrenc.def.html">LGR Greek font encoding definitions.</a></p>
</dd>
<dt id="tuenc-greek"><a class="reference external" href="tuenc-greek.def">tuenc-greek.def</a></dt>
<dd><p><a class="reference external" href="tuenc-greek.def.html">Extended Greek definitions for the TU font encoding</a></p>
</dd>
<dt><a class="reference external" href="puenc-greek.def">puenc-greek.def</a></dt>
<dd><p><a class="reference external" href="puenc-greek.def.html">Extended Greek definitions for PDF strings</a></p>
</dd>
</dl>
</section>
<section id="auxiliary-files">
<h3><a class="toc-backref" href="#toc-entry-4" role="doc-backlink">Auxiliary files</a></h3>
<dl class="simple">
<dt><a class="reference external" href="alphabeta-lgr.def">alphabeta-lgr.def</a></dt>
<dd><p>Composite definitions for <a class="reference internal" href="#alphabeta">alphabeta</a> with 8-bit TeX.</p>
</dd>
<dt><a class="reference external" href="alphabeta-tuenc.def">alphabeta-tuenc.def</a></dt>
<dd><p>Composite definitions for <a class="reference internal" href="#alphabeta">alphabeta</a> with XeTeX/LuaTeX.</p>
</dd>
<dt><a class="reference external" href="greek-euenc.def">greek-euenc.def</a></dt>
<dd><p>Backwards compatibility file loading <a class="reference external" href="tuenc-greek.def">tuenc-greek.def</a>.</p>
</dd>
<dt><a class="reference external" href="lgr2licr.lua">lgr2licr.lua</a></dt>
<dd><p><a class="reference external" href="lgr2licr.lua.html">LGR Transcription to Greek LICR transformation</a>.
Provisional.</p>
</dd>
</dl>
<p>The source files can be converted with <a class="reference external" href="https://pypi.org/project/pylit/">PyLit</a> to <a class="reference external" href="https://docutils.sourceforge.io/rst.html">reStructuredText</a> and
with <a class="reference external" href="https://docutils.sourceforge.io/rst.html">Docutils</a> to the HTML documentation.</p>
</section>
</section>
<section id="usage-examples-and-test-documents">
<h2><a class="toc-backref" href="#toc-entry-5" role="doc-backlink">Usage examples and test documents</a></h2>
<dl class="simple">
<dt>LGR test and usage example</dt>
<dd><p><a class="reference external" href="test-lgrenc.tex">test-lgrenc.tex</a>, <a class="reference external" href="test-lgrenc.pdf">test-lgrenc.pdf</a></p>
</dd>
<dt>TU test and usage example</dt>
<dd><p><a class="reference external" href="test-tuenc-greek.tex">test-tuenc-greek.tex</a>, <a class="reference external" href="test-tuenc-greek.pdf">test-tuenc-greek.pdf</a></p>
</dd>
<dt><a class="reference external" href="https://ctan.org/pkg/hyperref">Hyperref</a> test and usage example</dt>
<dd><p><a class="reference external" href="hyperref-with-greek.tex">hyperref-with-greek.tex</a>, <a class="reference external" href="hyperref-with-greek.pdf">hyperref-with-greek.pdf</a></p>
</dd>
<dt>Test LICRs with non-Greek legacy 8-bit input encoding</dt>
<dd><p><a class="reference external" href="test-licr-input.tex">test-licr-input.tex</a>, <a class="reference external" href="test-licr-input.pdf">test-licr-input.pdf</a></p>
</dd>
<dt>Test Greek diacritics with standard accent macros</dt>
<dd><p><a class="reference external" href="test-diacritics.tex">test-diacritics.tex</a>, <a class="reference external" href="test-diacritics.pdf">test-diacritics.pdf</a></p>
</dd>
</dl>
</section>
<section id="download-and-installation">
<h2><a class="toc-backref" href="#toc-entry-6" role="doc-backlink">Download and Installation</a></h2>
<p>The simplest way is to install this package from your distribution using
its installation manager.</p>
<p>Alternatively:</p>
<ul class="simple">
<li><p>Download the latest <a class="reference external" href="https://mirrors.ctan.org/language/greek/greek-fontenc.zip">release</a> from the package’s <a class="reference external" href="https://www.ctan.org/pkg/greek-fontenc">CTAN page</a> or a
<a class="reference external" href="https://codeberg.org/milde/greek-tex/archive/master.zip">snapshot</a> of the <a class="reference external" href="https://codeberg.org/milde/greek-tex/">greek-tex</a> repository.</p></li>
<li><p>Unpack the source archive to a temporary location.</p></li>
<li><p>Copy/Move/Link files ending in <span class="docutils literal">.def</span> or <span class="docutils literal">.sty</span> to a suitable place in
the TeX search path.</p></li>
</ul>
</section>
<section id="conflicts">
<h2><a class="toc-backref" href="#toc-entry-7" role="doc-backlink">Conflicts</a></h2>
<p>The <a class="reference external" href="https://ctan.org/pkg/arabi">arabi</a> package provides the Babel <span class="docutils literal">arabic</span> option which loads
<span class="docutils literal">arabicfnt.sty</span> for font setup. This package overwrites the LICR macros
<span class="docutils literal">\omega</span> and <span class="docutils literal">\textomega</span> with font selecting commands.  See the report
for Debian <a class="reference external" href="https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=858987">bug 858987</a> for details and the <a class="reference internal" href="#arabi-workaround">arabi workaround</a> below.</p>
</section>
<section id="usage">
<h2><a class="toc-backref" href="#toc-entry-8" role="doc-backlink">Usage</a></h2>
<p>There are several alternatives to set up the support for a Greek font
encoding provided by this bundle, e.g.:</p>
<dl>
<dt>Babel:</dt>
<dd><p>Use the <span class="docutils literal">greek</span> option with <a class="reference external" href="https://ctan.org/pkg/babel">Babel</a>:</p>
<pre class="literal-block">\usepackage[greek]{babel}</pre>
<p>This automatically loads <span class="docutils literal">lgrenc.def</span> with 8-bit TeX and
<span class="docutils literal"><span class="pre">tuenc-greek.def</span></span> with XeTeX/LuaTeX and provides localized auto-strings,
hyphenation and other localizations (see <a class="reference external" href="https://ctan.org/pkg/babel-greek">babel-greek</a>).</p>
<p>Babel can be used together with <a class="reference internal" href="#textalpha">textalpha</a> or <a class="reference internal" href="#alphabeta">alphabeta</a>.</p>
</dd>
<dt><a class="reference internal" href="#textalpha">textalpha</a>:</dt>
<dd><p>Ensure support for Greek characters in text mode:</p>
<pre class="literal-block">\usepackage{textalpha}</pre>
<p>eventually with the <a class="reference external" href="textalpha.sty.html#normalize-symbols">normalize-symbols</a> option to handle <a class="reference internal" href="#symbol-variants">symbol variants</a>
and/or the <a class="reference external" href="textalpha.sty.html#keep-semicolon">keep-semicolon</a> option to use the <a class="reference external" href="textalpha.sty.html#semicolon-as-erotimatiko">semicolon as erotimatiko</a>
also in LGR</p>
<pre class="literal-block">\usepackage[normalize-symbols,keep-semicolon]{textalpha}</pre>
<p>This sets up LICR macros for Greek text charactes under both, 8-bit TeX
and Xe-/LuaTeX.
For details see <a class="reference external" href="textalpha-doc.tex">textalpha-doc.tex</a> and <a class="reference external" href="textalpha-doc.pdf">textalpha-doc.pdf</a> (8-bit
TeX) as well as <a class="reference external" href="test-tuenc-greek.tex">test-tuenc-greek.tex</a> and <a class="reference external" href="test-tuenc-greek.pdf">test-tuenc-greek.pdf</a>
(XeTeX/LuaTeX).</p>
</dd>
<dt><a class="reference internal" href="#alphabeta">alphabeta</a>:</dt>
<dd><p>To use the short macro names (<span class="docutils literal">\alpha</span> … <span class="docutils literal">\Omega</span>) known from math
mode in both, text and math mode, write</p>
<pre class="literal-block">\usepackage{alphabeta}</pre>
<p>For details see <a class="reference external" href="alphabeta-doc.tex">alphabeta-doc.tex</a> and <a class="reference external" href="alphabeta-doc.pdf">alphabeta-doc.pdf</a>.</p>
</dd>
<dt>fontenc:</dt>
<dd><p>Declare LGR via <a class="reference external" href="https://ctan.org/pkg/fontenc">fontenc</a>. For example, specify T1 (8-bit
Latin) as default font encoding and LGR for Greek with</p>
<pre class="literal-block">\usepackage[LGR,T1]{fontenc}</pre>
<p>Note that without <a class="reference internal" href="#textalpha">textalpha</a> or <a class="reference internal" href="#alphabeta">alphabeta</a>, Greek text macros work
only if the current font encoding supports Greek. See <a class="citation-reference" href="#fntguide" id="citation-reference-1" role="doc-biblioref">[fntguide]</a> for
details and <a class="reference external" href="test-lgrenc.tex">test-lgrenc.tex</a> for an example.</p>
<p>It is possible to use 8-bit Greek text fonts in the LGR TeX font encoding
also with XeTeX/LuaTeX, if the <a class="reference external" href="https://ctan.org/pkg/fontenc">fontenc</a> package is loaded before
Babel, <a class="reference internal" href="#textalpha">textalpha</a>, or <a class="reference internal" href="#alphabeta">alphabeta</a>, e.g.</p>
<pre class="literal-block">\usepackage[LGR]{fontenc}
\usepackage{fontspec}
\setmainfont{Linux Libertine O} % Latin Modern does not support Greek
\setsansfont{Linux Biolinum O}
\usepackage{textalpha}</pre>
<p>See <a class="reference external" href="test-tuenc-greek.tex">test-tuenc-greek.tex</a>, <a class="reference external" href="test-tuenc-greek.pdf">test-tuenc-greek.pdf</a> and
<a class="reference external" href="test-lgrenc.tex">test-lgrenc.tex</a>, <a class="reference external" href="test-lgrenc.pdf">test-lgrenc.pdf</a>.</p>
</dd>
</dl>
<p id="arabi-workaround">To work around the conflict with <a class="reference external" href="https://ctan.org/pkg/arabi">arabi</a>, it may suffice to ensure <span class="docutils literal">greek</span>
is loaded after <span class="docutils literal">arabic</span>:</p>
<pre class="literal-block">\usepackage[arabic,greek,english]{babel}</pre>
<p>More secure is an explicit reverse-definition, e.g.</p>
<pre class="literal-block">% save original \omega
\let\mathomega\omega

\usepackage[utf8]{inputenc}
\usepackage[LAE,LGR,T1]{fontenc}
\usepackage[arabic,greek,english]{babel}

% fix arabtex:
\DeclareTextSymbol{\textomega}{LGR}{119}
\renewcommand{\omega}{\mathomega}</pre>
</section>
<section id="greek-text-font-encodings">
<h2><a class="toc-backref" href="#toc-entry-9" role="doc-backlink">Greek text font encodings</a></h2>
<p>Greek TeX font encodings are the envisaged <a class="reference internal" href="#t7">T7</a>, <a class="reference internal" href="#lgr">LGR</a>, and <a class="reference internal" href="#lgi">LGI</a>.
Greek letters and symbols are also defined in the Unicode-based font
encodings <a class="reference internal" href="#tu">TU</a>, and <a class="reference internal" href="#pu">PU</a>.</p>
<section id="t7">
<h3><a class="toc-backref" href="#toc-entry-10" role="doc-backlink">T7</a></h3>
<p>The <a class="citation-reference" href="#encguide" id="citation-reference-2" role="doc-biblioref">[encguide]</a> reserves the name T7 for a Greek <cite>standard font encoding</cite>.
However, up to now, there is no agreement on an implementation because the
restrictions for general text encodings are too severe for typesetting
polytonic Greek.</p>
</section>
<section id="lgr">
<h3><a class="toc-backref" href="#toc-entry-11" role="doc-backlink">LGR</a></h3>
<p>The LGR font encoding is the de-facto standard for typesetting Greek with
(8-bit) LaTeX. <cite>greek-fontenc</cite> provides a comprehensive <a class="reference internal" href="#lgr-font-encoding-definition-file">LGR font
encoding definition file</a>.</p>
<p>Fonts in this encoding include the <a class="reference external" href="https://ctan.org/pkg/cbgreek-complete">CB fonts</a> (matching CM), <a class="reference external" href="https://ctan.org/pkg/grtimes">grtimes</a>
(Greek Times), <a class="reference external" href="https://ctan.org/pkg/kerkis">Kerkis</a> (matching URW Bookman), <a class="reference external" href="https://ctan.org/pkg/dejavu">DejaVu</a>, <a class="reference external" href="https://ctan.org/pkg/libertinegc">Libertine GC</a>, and
the <a class="reference external" href="https://ctan.org/pkg/gfs">GFS fonts</a>. Setup of these fonts as Greek variant to
matching Latin fonts is facilitated by the <a class="reference external" href="https://ctan.org/pkg/substitutefont">substitutefont</a> package.</p>
<p>The LGR font encoding allows to access Greek characters via an ASCII
transliteration. This enables simple input with a Latin keyboard.
Characters with diacritics can be selected by ligature definitions in the
font (see <a class="citation-reference" href="#greek-usage" id="citation-reference-3" role="doc-biblioref">[greek-usage]</a>, <a class="citation-reference" href="#teubner-doc" id="citation-reference-4" role="doc-biblioref">[teubner-doc]</a>, <a class="citation-reference" href="#cbfonts" id="citation-reference-5" role="doc-biblioref">[cbfonts]</a>).</p>
<p>A major drawback of the transliteration is, that you cannot access Latin
letters if LGR is the active font encoding (e.g. in documents or parts of
documents given the <cite>Babel</cite> language <span class="docutils literal">greek</span> or <span class="docutils literal">polutionikogreek</span>).
This means that for every Latin-written word or acronym an explicit
language-switch is required. This problem can only be solved via a
font-encoding comprising Latin and Greek like the envisaged <a class="reference internal" href="#t7">T7</a> or
Unicode (with XeTeX or LuaTeX).</p>
</section>
<section id="lgi">
<h3><a class="toc-backref" href="#toc-entry-12" role="doc-backlink">LGI</a></h3>
<p>The ‘Ibycus’ fonts from the package <a class="reference external" href="https://ctan.org/pkg/ibygrk">ibygrk</a> implement an alternative
transliteration scheme (also explained in <a class="citation-reference" href="#babel-patch" id="citation-reference-6" role="doc-biblioref">[babel-patch]</a>).
It is currently not supported by <cite>greek-fontenc</cite>.</p>
<p>The font encoding file <span class="docutils literal">lgienc.def</span> from <a class="reference external" href="https://ctan.org/pkg/ibycus-babel">ibycus-babel</a> provides a basic
setup (without any LICR macros or composite definitions).</p>
</section>
<section id="tu">
<h3><a class="toc-backref" href="#toc-entry-13" role="doc-backlink">TU</a></h3>
<p>Standard Unicode font encoding for XeTeX and LuaTeX loaded by <a class="reference external" href="https://ctan.org/pkg/fontspec">fontspec</a>
(since v2.5a) rsp. the LaTeX kernel since 2017/01/01 <a class="citation-reference" href="#ltnews26" id="citation-reference-7" role="doc-biblioref">[ltnews26]</a>.
<cite>greek-fontenc</cite> adds support for the Greek script (see <a class="reference internal" href="#tuenc-greek">tuenc-greek</a>).</p>
<p>Xe/LuaTeX works with any system-wide installed <a class="reference external" href="https://ctan.org/topic/font-otf">OpenType font</a>. Suitable
fonts supporting Greek include <a class="reference external" href="https://ctan.org/pkg/cm-unicode">CM Unicode</a>, <a class="reference external" href="http://dejavu-fonts.org">Deja Vu</a>, <a class="reference external" href="https://ctan.org/pkg/ebgaramond">EB Garamond</a>,
the <a class="reference external" href="https://ctan.org/pkg/gfs">GFS fonts</a>, <a class="reference external" href="https://ctan.org/pkg/libertineotf">Libertine OTF</a>, <a class="reference external" href="https://ctan.org/pkg/libertinus">Libertinus</a>, <a class="reference external" href="https://ctan.org/pkg/oldstandard">Old Standard</a>,
<a class="reference external" href="https://ctan.org/pkg/tempora">Tempora</a>, and <a class="reference external" href="https://ctan.org/pkg/umtypewriter">UM Typewriter</a> (all available on CTAN) but also many commercial
fonts. Unfortunately, the <a class="reference external" href="https://ctan.org/pkg/fontspec">fontspec</a> default, <a class="reference external" href="http://www.gust.org.pl/projects/e-foundry/latin-modern">Latin Modern</a> misses most
Greek characters.</p>
<p>Older versions of LuaTeX did not apply the NFC normalization. This lead to
suboptimal placing of some diactritics, especially the sub-iota (becoming
unintelligable in combination with small letter eta). This issue if fixed
since at least 2022.</p>
<p>The legacy Unicode font encodings EU1 and EU2 for XeTeX and LuaTeX
respectively were superseded by TU in the 2017 <a class="reference external" href="https://ctan.org/pkg/fontspec">fontspec</a> release.</p>
</section>
<section id="pu">
<h3><a class="toc-backref" href="#toc-entry-14" role="doc-backlink">PU</a></h3>
<p>The package <a class="reference external" href="https://ctan.org/pkg/hyperref">hyperref</a> defines the PU font encoding for use in PDF strings
(ToC, bookmarks) which supports monotonic Greek. <cite>greek-fontenc</cite> adds
support for polytonic Greek and some archaic characters also supported in
LGR and TU (see <a class="reference external" href="hyperref-with-greek.tex">hyperref-with-greek.tex</a>, <a class="reference external" href="hyperref-with-greek.pdf">hyperref-with-greek.pdf</a>).</p>
</section>
</section>
<section id="greek-licr-macro-names">
<h2><a class="toc-backref" href="#toc-entry-15" role="doc-backlink">Greek LICR macro names</a></h2>
<aside class="admonition note">
<p class="admonition-title">Note</p>
<p>The LICR macro names for Greek symbols are chosen pending
endorsement by the TeX community and related packages.</p>
<p>Names for archaic characters, accents/diacritics, and
punctuation may change in future versions.</p>
</aside>
<p>This bundle provides LaTeX internal character representations (LICR macros)
for Greek letters and diacritics. Macro names were selected based on the
following considerations:</p>
<section id="letters-and-symbols">
<h3><a class="toc-backref" href="#toc-entry-16" role="doc-backlink">letters and symbols</a></h3>
<ul>
<li><p>The <a class="reference internal" href="#fntguide">fntguide</a> (section 6.4 Naming conventions) recommends:</p>
<blockquote>
<p>Where possible, text symbols should be named as <span class="docutils literal">\text</span> followed
by the <strong>Adobe glyph name</strong>: for example <span class="docutils literal">\textonequarter</span> or
<span class="docutils literal">\textsterling</span>. Similarly, math symbols should be named as
<span class="docutils literal">\math</span> followed by the glyph name, for example
<span class="docutils literal">\mathonequarter</span> or <span class="docutils literal">\mathsterling</span>.</p>
</blockquote>
<dl class="simple">
<dt>Problem:</dt>
<dd><p>The <a class="reference external" href="http://raw.githubusercontent.com/adobe-type-tools/agl-aglfn/master/aglfn.txt">Adobe Glyph List For New Fonts</a> has names for many glyphs in the
<cite>Greek and Coptic</cite> Unicode block, but not for <cite>Greek extended</cite>. The
<a class="reference external" href="http://raw.githubusercontent.com/adobe-type-tools/agl-aglfn/master/glyphlist.txt">Adobe Glyph List</a> (for existing fonts) lists additional glyph names
used in older fonts.  However, these are not intended for active use.</p>
</dd>
</dl>
</li>
<li><p>If there exists a <strong>math-mode macro</strong> for a symbol, the corresponding text
macro could be formed by prepending <span class="docutils literal">text</span>.</p>
<dl class="simple">
<dt>Example:</dt>
<dd><p>The glyph name for the GREEK SMALL LETTER FINAL SIGMA is <span class="docutils literal">sigma1</span>,
the corresponding math-macro is <span class="docutils literal">\varsigma</span>. The text symbol is
made available as <span class="docutils literal">\textvarsigma</span>.</p>
</dd>
<dt>Problem:</dt>
<dd><p><a class="reference internal" href="#symbol-variants">Symbol variants</a> (see below).</p>
</dd>
</dl>
</li>
<li><p>The <a class="reference external" href="http://www.unicode.org/Public/UNIDATA/NamesList.txt">Unicode names list</a> provides standardized descriptive names for all
Unicode characters that use only capital letters of the Latin alphabet.
While not suited for direct use in LICR macros, they can be either</p>
<ol class="lowerroman simple">
<li><p>used as inspiration for new LICR macro names or</p></li>
<li><p>converted to LICR macro names via a defined set of transformation rules.</p></li>
</ol>
<dl class="simple">
<dt>Example:</dt>
<dd><p><span class="docutils literal">\textfinalsigma</span> is a descriptive alias for
GREEK SMALL LETTER FINAL SIGMA derived via the rules:</p>
<ul class="simple">
<li><p>drop “LETTER” if the name remains unique,</p></li>
<li><p>drop “GREEK” if the name remains unique,</p></li>
<li><p>use capitalized name for capital letters, lowercase for “SMALL” letters
and drop “SMALL”,</p></li>
<li><p>concatenate</p></li>
</ul>
</dd>
</dl>
</li>
<li><p>Omit the “text” prefix for macros that do not have a math counterpart?</p>
<dl class="simple">
<dt>Pro:</dt>
<dd><ul class="simple">
<li><p>Simpler,</p></li>
<li><p>ease of use (less typing, better readability of source text),</p></li>
<li><p>many established text macro names without “text”,</p></li>
<li><p><span class="docutils literal">text</span> prefix does <strong>not</strong> mark a macro as encoding-specific or
“inserting a glyph”. There are e.g. font-changing macros (<span class="docutils literal">\textbf</span>,
<span class="docutils literal">\textit</span>) and encoding-changing macros (<span class="docutils literal">\textcyr</span>).</p></li>
<li><p>There are examples of encoding-specific macros
without the <span class="docutils literal">text</span>-prefix, especially for letters, see <a class="reference internal" href="#encguide">encguide</a>.</p></li>
</ul>
</dd>
<dt>Contra:</dt>
<dd><ul class="simple">
<li><p>Less consistent,</p></li>
<li><p>possible name clashes</p></li>
<li><p><span class="docutils literal">text</span> prefix marks a macro as confined to text (as opposed to math)
mode,</p></li>
</ul>
</dd>
</dl>
<p>The font encoding definition files use the <span class="docutils literal">text</span> prefix for symbols.
Aliases (short forms, compatibility defs, etc.) are defined in
additional packages (e.g. <a class="reference external" href="alphabeta.sty">alphabeta.sty</a>, <a class="reference external" href="https://ctan.org/pkg/babel-greek">babel-greek</a>, or <a class="reference external" href="https://ctan.org/pkg/teubner">teubner</a>)</p>
</li>
</ul>
</section>
<section id="accent-macros">
<h3><a class="toc-backref" href="#toc-entry-17" role="doc-backlink">accent macros</a></h3>
<ul>
<li><p>standard accent macros (<span class="docutils literal">\DeclareTextAccent</span> definitions in
<span class="docutils literal"><span class="pre">latex/base/...</span></span>) are one-character macros (<span class="docutils literal">\' \&quot; ... \u \v ...</span>) .</p></li>
<li><p><span class="docutils literal">tipa.sty</span>, <a class="reference external" href="https://ctan.org/pkg/xunicode">xunicode</a>, and <a class="reference external" href="https://ctan.org/pkg/unicode">ucs</a> use the “text” prefix also for accents.</p>
<p>However, the <a class="reference external" href="http://raw.githubusercontent.com/adobe-type-tools/agl-aglfn/master/aglfn.txt">Adobe Glyph List For New Fonts</a> maps, e.g., “tonos” and
“dieresistonos” to the spacing characters GREEK TONOS and GREEK DIALYTIKA
TONOS, hence <cite>texttonos</cite> and <cite>textdiaresistonos</cite> should be spacing
characters.</p>
</li>
<li><p>textcomp (ts1enc.def) defines <span class="docutils literal"><span class="pre">\capital...</span></span> accents (i.e. without
<span class="docutils literal">text</span> prefix).</p></li>
</ul>
<p>Currently, <cite>greek-fontenc</cite> uses for diacritics:</p>
<ul class="simple">
<li><p>Greek names like in Unicode, and <span class="docutils literal">ucsencs.def</span>, and</p></li>
<li><p>the prefix <span class="docutils literal">\acc</span> to distinguish the macros as <cite>TextAaccent</cite> and
reduce the risc of name clashes with spacing characters.</p></li>
</ul>
<p>For the end-user “symbol macros” (<span class="docutils literal">\~ \' \` \&quot; \&quot;' \&quot;` ...</span>) are
provided. (With <a class="reference internal" href="#textalpha">textalpha</a> or <a class="reference internal" href="#alphabeta">alphabeta</a> also <span class="docutils literal">\&lt;</span> and <span class="docutils literal">\&gt;</span> for
<span class="docutils literal">\accdasia</span> and <span class="docutils literal">\accpsili</span>.)</p>
</section>
<section id="symbol-variants">
<h3><a class="toc-backref" href="#toc-entry-18" role="doc-backlink">symbol variants</a></h3>
<p>Mathematical notation distinguishes variant shapes for beta (β|ϐ),
theta (θ|ϑ), phi (φ|ϕ), pi (π|ϖ), kappa (κ|ϰ), rho (ρ|ϱ), Theta (Θ|ϴ),
and epsilon (ε|ϵ).</p>
<p>The variations have no syntactic meaning in Greek text and Greek text
fonts use the shape variants indiscriminately (cf. <a class="reference external" href="http://en.wikipedia.org/wiki/Greek_alphabet#Glyph_variants">glyph variants</a>).
The variant shapes are not given separate code-points in the <a class="reference internal" href="#lgr">LGR</a> text
font encoding.</p>
<p>In mathematical mode, TeX supports the alternative glyph variants with
<span class="docutils literal">\var&lt;lettername&gt;</span> macros (variant macros for ϴ, ϐ, and ϰ require
additional packages).</p>
<p>Unicode defines separate code points for the symbol variants for use in
mathematical context.<a class="footnote-reference superscript" href="#footnote-3" id="footnote-reference-3" role="doc-noteref"><span class="fn-bracket">[</span>3<span class="fn-bracket">]</span></a> Unfortunately, the mapping between Unicode’s
letter/symbol distinction and “normal”/variant in TeX is inconsistent.</p>
<p><cite>greek-fontenc</cite> provides <span class="docutils literal">\text&lt;lettername&gt;symbol</span> LICR macros for the
Greek symbol characters:</p>
<ul>
<li><p>With Unicode fonts, the macros select the GREEK &lt;lettername&gt; SYMBOL``.</p></li>
<li><p>With LGR encoded fonts, they report an error by default.</p>
<p>With the <span class="docutils literal"><span class="pre">normalize-symbols</span></span> option of <a class="reference internal" href="#textalpha">textalpha</a> and <a class="reference internal" href="#alphabeta">alphabeta</a>,
they are mapped to the corresponding letter (loosing the distinction
between the shape variants).</p>
</li>
</ul>
<p>The <a class="reference internal" href="#alphabeta">alphabeta</a> package provides <span class="docutils literal">\&lt;lettername&gt;</span>, <span class="docutils literal">\var&lt;lettername&gt;</span>,
and <span class="docutils literal">\&lt;lettername&gt;symbol</span> in both, text and math mode (cf. Table 1 in
<a class="reference external" href="alphabeta-doc-tu.pdf">alphabeta-doc-tu.pdf</a>).</p>
<aside class="footnote-list superscript">
<aside class="footnote superscript" id="footnote-3" role="doc-footnote">
<span class="label"><span class="fn-bracket">[</span><a role="doc-backlink" href="#footnote-reference-3">3</a><span class="fn-bracket">]</span></span>
<p>However, they are sometimes also used in place of the
corresponding letter characters in Unicode-encoded text.</p>
</aside>
</aside>
</section>
</section>
<section id="changelog">
<h2><a class="toc-backref" href="#toc-entry-19" role="doc-backlink">Changelog</a></h2>
<dl class="simple">
<dt>0.9 (2013-07-03)</dt>
<dd><ul class="simple">
<li><p><span class="docutils literal"><span class="pre">greek-fontenc.def</span></span> “outsourced” from <span class="docutils literal">lgrxenc.def</span></p></li>
<li><p>experimental LICRs for XeTeX/LuaTeX.</p></li>
</ul>
</dd>
<dt>0.9.1 (2013-07-18)</dt>
<dd><ul class="simple">
<li><p>Bugfix: wrong breathings psilioxia -&gt; dasiaoxia.</p></li>
</ul>
</dd>
<dt>0.9.2 (2013-07-19)</dt>
<dd><ul class="simple">
<li><p>Bugfix: Disable composite defs starting with char macro,</p></li>
<li><p>Fix “hiatus” handling.</p></li>
</ul>
</dd>
<dt>0.9.3 (2013-07-24)</dt>
<dd><ul class="simple">
<li><p>Fix path for <span class="docutils literal">\input</span> of <span class="docutils literal"><span class="pre">greek-fontenc.def</span></span>.</p></li>
</ul>
</dd>
<dt>0.9.4 (2013-09-10)</dt>
<dd><ul class="simple">
<li><p><span class="docutils literal"><span class="pre">greek-fontenc.sty</span></span>: Greek text font encoding setup package.</p></li>
<li><p>remove <span class="docutils literal"><span class="pre">xunicode-greek.sty</span></span>.</p></li>
</ul>
</dd>
<dt>0.10 (2013-09-13)</dt>
<dd><ul class="simple">
<li><p><a class="reference internal" href="#textalpha">textalpha</a> and <a class="reference internal" href="#alphabeta">alphabeta</a> moved here from lgrx and updated to work
with XeTeX/LuaTeX.</p></li>
<li><p><span class="docutils literal"><span class="pre">greek-fontenc.sty</span></span> removed (obsoleted by <a class="reference internal" href="#textalpha">textalpha</a>).</p></li>
</ul>
</dd>
<dt>0.10.1 (2013-10-01)</dt>
<dd><ul class="simple">
<li><p>Bugfix in <span class="docutils literal"><span class="pre">greek-euenc.def</span></span> and <span class="docutils literal"><span class="pre">alphabeta-euenc.def</span></span>.</p></li>
</ul>
</dd>
<dt>0.11 (2013-11-28)</dt>
<dd><ul class="simple">
<li><p>Compatibility with Xe/LuaTeX in 8-bit mode.</p></li>
<li><p><span class="docutils literal">\greekscript</span> <em>TextCommand</em> (cf. <a class="citation-reference" href="#encguide" id="citation-reference-8" role="doc-biblioref">[encguide]</a>).</p></li>
</ul>
</dd>
<dt>0.11.1 (2013-12-01)</dt>
<dd><ul class="simple">
<li><p>Fix identification of <span class="docutils literal"><span class="pre">greek-euenc.def</span></span>.</p></li>
</ul>
</dd>
<dt>0.11.2 (2014-09-04)</dt>
<dd><ul class="simple">
<li><p>Documentation update, remove duplicate code.</p></li>
</ul>
</dd>
<dt>0.12 (2014-12-25)</dt>
<dd><ul class="simple">
<li><p>Fix auxiliary macro names in <a class="reference internal" href="#textalpha">textalpha</a>.</p></li>
<li><p>Conservative naming: move definition of <span class="docutils literal">\&lt;</span> and <span class="docutils literal">\&gt;</span> from
<span class="docutils literal"><span class="pre">greek-fontenc.def</span></span> to <span class="docutils literal">textalpha.sty</span> (Bugreport David Kastrup).</p></li>
</ul>
</dd>
<dt>0.13 (2015-09-04)</dt>
<dd><ul class="simple">
<li><p>Support for <a class="reference internal" href="#symbol-variants">symbol variants</a>,</p></li>
<li><p><span class="docutils literal"><span class="pre">keep-semicolon</span></span> option in <a class="reference internal" href="#textalpha">textalpha</a>,</p></li>
<li><p><span class="docutils literal">\lccode</span>/<span class="docutils literal">\uccode</span> corrections for Unicode
(from Apostolos Syropoulos’ <a class="reference external" href="https://ctan.org/pkg/xgreek">xgreek</a>) in greek-euenc.</p></li>
<li><p>Do not convert <span class="docutils literal">\ypogegrammeni</span> to <span class="docutils literal">\prosgegrammeni</span>
with <span class="docutils literal">\MakeUppercase</span>.</p></li>
</ul>
</dd>
<dt>0.13.1 (2015-12-07)</dt>
<dd><ul class="simple">
<li><p>Fix <a class="reference external" href="http://tex.stackexchange.com/questions/281631/greek-small-rho-with-dasia-and-also-psili-problem-with-accent-and-lgr-encodin">rho with dasia bug</a> in lgrenc.def (Linus Romer).</p></li>
</ul>
</dd>
<dt>0.13.2 (2016-02-05)</dt>
<dd><ul class="simple">
<li><p>Support for standard Unicode text font encoding “TU”
(new in fontspec v2.5a).</p></li>
</ul>
</dd>
<dt>0.13.3 (2019-07-10)</dt>
<dd><ul class="simple">
<li><p>Drop error font declaration (cf. <a class="reference external" href="https://www.latex-project.org/cgi-bin/ltxbugs2html?pr=latex%2F4399&amp;search=">ltxbugs 4399</a>).</p></li>
</ul>
</dd>
<dt>0.13.4 (2019-07-11)</dt>
<dd><ul class="simple">
<li><p>“Lowercase” <span class="docutils literal">\prosgegrammeni</span> -&gt; <span class="docutils literal">\ypogegrammeni</span>
but not vice versa.</p></li>
</ul>
</dd>
<dt>0.14 (2020-02-28)</dt>
<dd><ul class="simple">
<li><p>Rename <span class="docutils literal"><span class="pre">greek-euenc</span></span> to <span class="docutils literal"><span class="pre">tuenc-greek</span></span>.</p></li>
<li><p>Use <span class="docutils literal">\UTFencoding</span> instead of <span class="docutils literal">\LastDeclaredEncoding</span>.</p></li>
</ul>
</dd>
<dt>1.0 (2020-09-25)</dt>
<dd><ul class="simple">
<li><p>Bugfix in <a class="reference internal" href="#textalpha">textalpha</a>: Let <span class="docutils literal">\greekscript</span> set <span class="docutils literal">\encodingdefault</span>.</p></li>
<li><p><span class="docutils literal">\textKoppa</span> as alias for <span class="docutils literal">\textkoppa</span> in LGR.</p></li>
</ul>
</dd>
<dt>2.0 (2020-10-30)</dt>
<dd><ul class="simple">
<li><p>Move common alias definitions to <span class="docutils literal"><span class="pre">greek-fontenc.def</span></span>.</p></li>
<li><p><a class="reference internal" href="#textalpha">textalpha</a> loads TU with Xe/LuaTeX by default and provides
<span class="docutils literal">\textmicro</span> and LICR macros for archaic symbols from the
“Greek and Coptic” Unicode block.</p></li>
<li><p>Use <span class="docutils literal">\UnicodeEncodingName</span> (by the LaTeX kernel) instead of
<span class="docutils literal">\UTFencname</span> for the Unicode font encoding name.</p></li>
<li><p>Replace utf8 literals in <span class="docutils literal"><span class="pre">tuenc-greek.def</span></span>.</p></li>
<li><p>New file <span class="docutils literal"><span class="pre">puenc-greek.def</span></span>: setup for PU encoding defined by
<a class="reference external" href="https://ctan.org/pkg/hyperref">hyperref</a> for PDF strings.</p></li>
<li><p>Don’t use <span class="docutils literal">\textcompwordmark</span> as base in accent commands.</p></li>
</ul>
</dd>
<dt>2.1 (2022-06-14)</dt>
<dd><ul class="simple">
<li><p>Support the correct spelling <span class="docutils literal">\guillemet…</span> for « and ».
See <a class="reference external" href="https://github.com/latex3/latex2e/issues/65">https://github.com/latex3/latex2e/issues/65</a></p></li>
</ul>
</dd>
<dt>2.2 (2023-02-28)</dt>
<dd><ul class="simple">
<li><p>Use correct glyph for <span class="docutils literal">\textanoteleia</span> (middle dot) in LGR.</p></li>
<li><p>Test and add composite commands for combinations that are not
converted to pre-composed characters.</p></li>
<li><p>Don’t use <span class="docutils literal">\makeatother</span> in <span class="docutils literal">\AtBeginDocument</span>.</p></li>
<li><p>Skip <span class="docutils literal">\uccode</span> fixes when ignored by <span class="docutils literal">\MakeUppercase</span>.</p></li>
<li><p>Various small fixes and documentation update.</p></li>
</ul>
</dd>
<dt>2.2.1 (2023-03-08)</dt>
<dd><ul class="simple">
<li><p>Fix broken links in README.md.</p></li>
<li><p><span class="docutils literal">&#64;uclclist</span> entry for <span class="docutils literal">\accoxia</span>, prevent
downcasing <span class="docutils literal">\textStigma</span> to <span class="docutils literal">\textvarstigma</span>.</p></li>
</ul>
</dd>
<dt>2.2.2 (2023-03-17)</dt>
<dd><ul class="simple">
<li><p>Don’t map active <span class="docutils literal">;</span> to <span class="docutils literal">\textsemicolon</span> in math mode.</p></li>
</ul>
</dd>
</dl>
</section>
<section id="references">
<h2><a class="toc-backref" href="#toc-entry-20" role="doc-backlink">References</a></h2>
<p>An alternative, more complete set of short mnemonic character names is
the <a class="reference external" href="http://www.w3.org/TR/xml-entity-names/">XML Entity Definitions for Characters</a> W3C Recommendation from
01 April 2010.</p>
<p>For glyph names of the LGR encoding see, e.g., <span class="docutils literal">CB.enc</span> by Apostolos
Syropoulos and <span class="docutils literal"><span class="pre">xl-lgr.enc</span></span> from the <a class="reference external" href="https://ctan.org/pkg/libertine-legacy">libertine</a> (legacy) package.
<span class="docutils literal">lgr.cmap</span> provides a mapping to Unicode characters.</p>
<p>A full set of <span class="docutils literal">\text*</span> symbol macros is defined in <span class="docutils literal">ucsencs.def</span>
from the <a class="reference external" href="https://ctan.org/pkg/unicode">ucs</a> package.</p>
<div role="list" class="citation-list">
<div class="citation" id="babel-patch" role="doc-biblioentry">
<span class="label"><span class="fn-bracket">[</span><a role="doc-backlink" href="#citation-reference-6">babel-patch</a><span class="fn-bracket">]</span></span>
<p>Werner Lemberg, <cite>Unicode support for the Greek LGR
encoding</cite> Εὔτυπον, τεῦχος  № 20, 2008.
<a class="reference external" href="http://www.eutypon.gr/eutypon/pdf/e2008-20/e20-a03.pdf">http://www.eutypon.gr/eutypon/pdf/e2008-20/e20-a03.pdf</a></p>
</div>
<div class="citation" id="cbfonts" role="doc-biblioentry">
<span class="label"><span class="fn-bracket">[</span><a role="doc-backlink" href="#citation-reference-5">cbfonts</a><span class="fn-bracket">]</span></span>
<p>Claudio Beccari, <cite>The CB Greek fonts</cite>, Εὔτυπον, τεῦχος № 21, 2008.
<a class="reference external" href="http://www.eutypon.gr/eutypon/pdf/e2008-21/e21-a01.pdf">http://www.eutypon.gr/eutypon/pdf/e2008-21/e21-a01.pdf</a></p>
</div>
<div class="citation" id="encguide" role="doc-biblioentry">
<span class="label"><span class="fn-bracket">[</span>encguide<span class="fn-bracket">]</span></span>
<span class="backrefs">(<a role="doc-backlink" href="#citation-reference-2">1</a>,<a role="doc-backlink" href="#citation-reference-8">2</a>)</span>
<p>Frank Mittelbach, Robin Fairbairns, Werner Lemberg,
LaTeX3 Project Team, <cite>LaTeX font encodings</cite>.
<a class="reference external" href="https://mirrors.ctan.org/macros/latex/base/encguide.pdf">https://mirrors.ctan.org/macros/latex/base/encguide.pdf</a></p>
</div>
<div class="citation" id="fntguide" role="doc-biblioentry">
<span class="label"><span class="fn-bracket">[</span><a role="doc-backlink" href="#citation-reference-1">fntguide</a><span class="fn-bracket">]</span></span>
<p>LaTeX3 Project Team, <cite>LaTeX2ε font selection</cite>.
<a class="reference external" href="https://mirrors.ctan.org/macros/latex/base/fntguide.pdf">https://mirrors.ctan.org/macros/latex/base/fntguide.pdf</a></p>
</div>
<div class="citation" id="greek-usage" role="doc-biblioentry">
<span class="label"><span class="fn-bracket">[</span><a role="doc-backlink" href="#citation-reference-3">greek-usage</a><span class="fn-bracket">]</span></span>
<p>Apostolos Syropoulos, <cite>Writing Greek with the greek option
of the babel package</cite>, 1997.
<a class="reference external" href="https://mirrors.ctan.org/language/babel/contrib/greek/usage.pdf">https://mirrors.ctan.org/language/babel/contrib/greek/usage.pdf</a></p>
</div>
<div class="citation" id="ltnews26" role="doc-biblioentry">
<span class="label"><span class="fn-bracket">[</span><a role="doc-backlink" href="#citation-reference-7">ltnews26</a><span class="fn-bracket">]</span></span>
<p>LaTeX Project Team, <cite>LaTeX News</cite> Issue 26, January 2017.
<a class="reference external" href="https://www.latex-project.org/news/latex2e-news/ltnews26.pdf">https://www.latex-project.org/news/latex2e-news/ltnews26.pdf</a></p>
</div>
<div class="citation" id="teubner-doc" role="doc-biblioentry">
<span class="label"><span class="fn-bracket">[</span><a role="doc-backlink" href="#citation-reference-4">teubner-doc</a><span class="fn-bracket">]</span></span>
<p>Claudio Beccari, <span class="docutils literal">teubner.sty</span>
<cite>An extension to the greek option of the babel package</cite>, 2011.
<a class="reference external" href="https://mirrors.ctan.org/macros/latex/contrib/teubner/teubner-doc.pdf">https://mirrors.ctan.org/macros/latex/contrib/teubner/teubner-doc.pdf</a></p>
</div>
</div>
</section>
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