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babel-greek
***********
Babel support for Greek
=======================

:Copyright: © 1997 Apostolos Syropoulos, Claudio Beccari, Johannes Brahms,
            © 2013 Günter Milde
:Licence:   This work may be distributed and/or modified under the
            conditions of the `LaTeX Project Public License`_, either
            version 1.3 of this license or any later version.

:Abstract: Babel-greek is a contributed package providing support for the
           Greek language and script via the Babel_ system.


In 1997, Apostolos Syropoulos added support for the Greek language to the
"babel" package.  The file ``greek.ldf`` provides options for monotonic
(single-diacritic) and polytonic (multiple-diacritic) modes of writing.

There is now partial support for Unicode-aware TeX engines (XeTeX/LuaTeX).
However, users of the XeTeX and LuaTeX engines are advised to use the
polyglossia_ package.

News
----

.. class:: borderless

===== ========== ===========================================================
1.4   2013-05-17 New maintainer.
..               The encoding definition file ``lgrenc.def`` moved to the
                 greek-fontenc_ package.

1.5   2013-06-21 bugfixes and cleanup,
..               LICR macros in string definitions,
..               LGR font encoding not used with XeTeX/LuaTeX,
..               input "xgreek-fixes.def" from polyglossia_ with Xe/LuaTeX.
1.5a  2013-07-02 fix LaTeX bugs babel/3707, `babel/4303`_ and `babel/4305`_
===== ========== ===========================================================
               

.. _babel/4303: http://www.latex-project.org/cgi-bin/ltxbugs2html?pr=babel/4303
.. _babel/4305: http://www.latex-project.org/cgi-bin/ltxbugs2html?pr=babel/4305

Requirements
------------

Typesetting Greek texts requires a `font containing Greek glyphs`__.

The "babel-greek" package requires the babel_ base package. `Greek text
fonts`_ in the LGR encoding and the encoding definition file ``lgrenc.def``
from the greek-fontenc_ package are required with 8-bit TeX engines.

For correct up/downcasing with XeTeX/LuaTeX, the file ``xgreek-fixes.def``
from polyglossia_ is required.

"plain" TeX is currently not supported. Patches are welcome.

__ http://www.ctan.org/topic/font-greek


Installation
------------

If possible, get this package from your distribution using its installation
manager.
  
Otherwise, make sure LaTeX can find the required files:

* Download and unpack `babel-greek.zip`.

* Run ``tex`` or ``latex`` on the batch file ``greek.ins``.

* Move all files ending in ``.def``, ``.fd``, ``.ldf``, or ``.sty``
  into a directory searched by TeX.

* To produce the documentation run the files ``usage.tex`` and all files
  ending in ``.dtx`` through LaTeX.


Usage
-----

Pass the "greek" option to babel::

  \usepackage[greek]{babel}

For polytonic greek, set the language attribute  "polutoniko"::

  \languageattribute{greek}{polutoniko}

For details see `<usage.pdf>`_, `<greek.pdf>`_ and the babel_ documentation.
Literal input of Greek characters is possible with the greek-inputenc_
package and XeTeX/LuaTeX.


Greek text fonts
----------------

With the XeTeX or LuaTeX engines, the user should ensure that the choosen
font contains the required glyphs (the default Latin Modern fonts miss
them). Examples for suitable fonts are the CM-unicode_ or the `Linux
Libertine`_ OpenType fonts as well as any system-wide installed OTF fonts
that support Greek (e.g. `Deja Vu`_).

The LGR font encoding is the de-facto standard for typesetting Greek with
8-bit LaTeX. Fonts in this encoding include the `CB fonts`_ (matching CM),
grtimes_ (Greek Times), Kerkis_ (matching URW Bookman), and the `GFS font
collection`_. Setup of these fonts as Greek variant to matching Latin fonts
is facilitated by the substitutefont_ package.

The LGR font encoding generates Greek characters via an ASCII
transliteration. This enables simple input with a Latin keyboard.
Characters with diacritics are selected by ligature definitions in the
font (see `<usage.pdf>`_).

A major drawback of this 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 `Babel` language ``greek`` or ``polutionikogreek``).
This means that for every Latin-written word or acronym an explicite
language-switch is required. This problem can only be solved via a
font-encoding comprising Latin and Greek like the hypothetic T7 or Unicode
(with XeTeX or LuaTeX).


.. References
   ----------
  
.. _LaTeX Project Public License: http://www.latex-project.org/lppl.txt
.. _babel: http://www.ctan.org/pkg/babel
.. _fontspec: http://www.ctan.org/pkg/fontspec
.. _CB Fonts: http://www.ctan.org/pkg/cbgreek-complete
.. _CM-unicode: http://www.ctan.org/pkg/cm-unicode
.. _Deja Vu: http://dejavu-fonts.org
.. _grtimes: http://www.ctan.org/pkg/grtimes
.. _greek-fontenc: http://www.ctan.org/pkg/greek-fontenc
.. _greek-inputenc: http://www.ctan.org/pkg/greek-inputenc
.. _GFS font collection: http://www.ctan.org/pkg/gfs
.. _Kerkis: http://www.ctan.org/pkg/kerkis
.. _lgrx: http://www.ctan.org/pkg/lgrx
.. _Linux Libertine: http://www.ctan.org/pkg/libertine
.. _polyglossia: http://www.ctan.org/pkg/polyglossia
.. _substitutefont: http://www.ctan.org/pkg/substitutefont