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alphabeta-euenc.def: Composite definitions for XeTeX and LuaTeX
***************************************************************

:Copyright: © 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.
:Identification:
 ::

  \ProvidesFile{alphabeta-euenc}
  [2013/07/24 0.1.3 Composite definitions for XeTeX and LuaTeX]
  
Domposite definitions for ``alphabeta.sty`` with XeTeX and LuaTeX.

Changelog:
  .. class:: borderless

  ==========  ===== =========================================================
  2013-09-12  0.1   initial version
  2013-10-01  0.1.1 remove clashing defs for legacy characters with oxia.
  ==========  ===== =========================================================

The alphabeta_ package re-defines the math macros for Greek letters to work
in both, text and math mode, so that Greek letters can be specified with
the established command names in text, too. 

The NFSS TextComposite mechanism looks for the next token without expanding
it. In order to let compositions like ``\>"\alpha`` work as expected we
define TextComposites with the `letter name commands`.

For use with Unicode fonts (XeTeX/LuaTeX), we need to define composite
commands for the EU1 and EU2 encoding

Greek and Coptic
~~~~~~~~~~~~~~~~
::
  
  \DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\Alpha}{Ά}
  \DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\Epsilon}{Έ}
  \DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\Eta}{Ή}
  \DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\Iota}{Ί}
  \DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\Omicron}{Ό}
  \DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\Upsilon}{Ύ}
  \DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\Omega}{Ώ}
  \DeclareTextCompositeCommand{\accdialytikatonos}{\LastDeclaredEncoding}{\iota}{ΐ}
  
  \DeclareTextCompositeCommand{\"}{\LastDeclaredEncoding}{\Iota}{Ϊ}
  \DeclareTextCompositeCommand{\"}{\LastDeclaredEncoding}{\Upsilon}{Ϋ}
  \DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\alpha}{ά}
  \DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\epsilon}{έ}
  \DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\eta}{ή}
  \DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\iota}{ί}
  \DeclareTextCompositeCommand{\accdialytikatonos}{\LastDeclaredEncoding}{\upsilon}{ΰ}
  
  \DeclareTextCompositeCommand{\"}{\LastDeclaredEncoding}{\iota}{ϊ}
  \DeclareTextCompositeCommand{\"}{\LastDeclaredEncoding}{\upsilon}{ϋ}
  \DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\omicron}{ό}
  \DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\upsilon}{ύ}
  \DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\omega}{ώ}
  
  
Greek Extended
~~~~~~~~~~~~~~
::

  \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\alpha}{ἀ}
  \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\alpha}{ἁ}
  \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\alpha}{ἂ}
  \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\alpha}{ἃ}
  \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\alpha}{ἄ}
  \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\alpha}{ἅ}
  \DeclareTextCompositeCommand{\accpsiliperispomeni}{\LastDeclaredEncoding}{\alpha}{ἆ}
  \DeclareTextCompositeCommand{\accdasiaperispomeni}{\LastDeclaredEncoding}{\alpha}{ἇ}
  \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\Alpha}{Ἀ}
  \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\Alpha}{Ἁ}
  \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\Alpha}{Ἂ}
  \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\Alpha}{Ἃ}
  \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\Alpha}{Ἄ}
  \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\Alpha}{Ἅ}
  \DeclareTextCompositeCommand{\accpsiliperispomeni}{\LastDeclaredEncoding}{\Alpha}{Ἆ}
  \DeclareTextCompositeCommand{\accdasiaperispomeni}{\LastDeclaredEncoding}{\Alpha}{Ἇ}
  
  \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\epsilon}{ἐ}
  \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\epsilon}{ἑ}
  \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\epsilon}{ἒ}
  \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\epsilon}{ἓ}
  \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\epsilon}{ἔ}
  \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\epsilon}{ἕ}
  \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\Epsilon}{Ἐ}
  \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\Epsilon}{Ἑ}
  \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\Epsilon}{Ἒ}
  \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\Epsilon}{Ἓ}
  \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\Epsilon}{Ἔ}
  \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\Epsilon}{Ἕ}
  
  \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\eta}{ἠ}
  \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\eta}{ἡ}
  \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\eta}{ἢ}
  \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\eta}{ἣ}
  \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\eta}{ἤ}
  \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\eta}{ἥ}
  \DeclareTextCompositeCommand{\accpsiliperispomeni}{\LastDeclaredEncoding}{\eta}{ἦ}
  \DeclareTextCompositeCommand{\accdasiaperispomeni}{\LastDeclaredEncoding}{\eta}{ἧ}
  \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\Eta}{Ἠ}
  \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\Eta}{Ἡ}
  \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\Eta}{Ἢ}
  \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\Eta}{Ἣ}
  \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\Eta}{Ἤ}
  \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\Eta}{Ἥ}
  \DeclareTextCompositeCommand{\accpsiliperispomeni}{\LastDeclaredEncoding}{\Eta}{Ἦ}
  \DeclareTextCompositeCommand{\accdasiaperispomeni}{\LastDeclaredEncoding}{\Eta}{Ἧ}
  
  \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\iota}{ἰ}
  \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\iota}{ἱ}
  \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\iota}{ἲ}
  \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\iota}{ἳ}
  \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\iota}{ἴ}
  \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\iota}{ἵ}
  \DeclareTextCompositeCommand{\accpsiliperispomeni}{\LastDeclaredEncoding}{\iota}{ἶ}
  \DeclareTextCompositeCommand{\accdasiaperispomeni}{\LastDeclaredEncoding}{\iota}{ἷ}
  \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\Iota}{Ἰ}
  \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\Iota}{Ἱ}
  \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\Iota}{Ἲ}
  \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\Iota}{Ἳ}
  \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\Iota}{Ἴ}
  \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\Iota}{Ἵ}
  \DeclareTextCompositeCommand{\accpsiliperispomeni}{\LastDeclaredEncoding}{\Iota}{Ἶ}
  \DeclareTextCompositeCommand{\accdasiaperispomeni}{\LastDeclaredEncoding}{\Iota}{Ἷ}
  
  \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\omicron}{ὀ}
  \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\omicron}{ὁ}
  \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\omicron}{ὂ}
  \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\omicron}{ὃ}
  \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\omicron}{ὄ}
  \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\omicron}{ὅ}
  \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\Omicron}{Ὀ}
  \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\Omicron}{Ὁ}
  \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\Omicron}{Ὂ}
  \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\Omicron}{Ὃ}
  \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\Omicron}{Ὄ}
  \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\Omicron}{Ὅ}
  
  \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\upsilon}{ὐ}
  \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\upsilon}{ὑ}
  \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\upsilon}{ὒ}
  \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\upsilon}{ὓ}
  \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\upsilon}{ὔ}
  \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\upsilon}{ὕ}
  \DeclareTextCompositeCommand{\accpsiliperispomeni}{\LastDeclaredEncoding}{\upsilon}{ὖ}
  \DeclareTextCompositeCommand{\accdasiaperispomeni}{\LastDeclaredEncoding}{\upsilon}{ὗ}
  \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\Upsilon}{Ὑ}
  \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\Upsilon}{Ὓ}
  \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\Upsilon}{Ὕ}
  \DeclareTextCompositeCommand{\accdasiaperispomeni}{\LastDeclaredEncoding}{\Upsilon}{Ὗ}
  
  \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\omega}{ὠ}
  \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\omega}{ὡ}
  \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\omega}{ὢ}
  \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\omega}{ὣ}
  \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\omega}{ὤ}
  \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\omega}{ὥ}
  \DeclareTextCompositeCommand{\accpsiliperispomeni}{\LastDeclaredEncoding}{\omega}{ὦ}
  \DeclareTextCompositeCommand{\accdasiaperispomeni}{\LastDeclaredEncoding}{\omega}{ὧ}
  \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\Omega}{Ὠ}
  \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\Omega}{Ὡ}
  \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\Omega}{Ὢ}
  \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\Omega}{Ὣ}
  \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\Omega}{Ὤ}
  \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\Omega}{Ὥ}
  \DeclareTextCompositeCommand{\accpsiliperispomeni}{\LastDeclaredEncoding}{\Omega}{Ὦ}
  \DeclareTextCompositeCommand{\accdasiaperispomeni}{\LastDeclaredEncoding}{\Omega}{Ὧ}
  
  \DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\alpha}{ὰ}
  \DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\epsilon}{ὲ}
  \DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\eta}{ὴ}
  \DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\iota}{ὶ}
  \DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\omicron}{ὸ}
  \DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\upsilon}{ὺ}
  \DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\omega}{ὼ}
  
  %% postfix ypogegrammeni cannot be second part of composite defs.
  % \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\alpha\ypogegrammeni}{ᾀ}
  % \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\alpha\ypogegrammeni}{ᾁ}
  % \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\alpha\ypogegrammeni}{ᾂ}
  % \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\alpha\ypogegrammeni}{ᾃ}
  % \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\alpha\ypogegrammeni}{ᾄ}
  % \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\alpha\ypogegrammeni}{ᾅ}
  % \DeclareTextCompositeCommand{\accpsiliperispomeni}{\LastDeclaredEncoding}{\alpha\ypogegrammeni}{ᾆ}
  % \DeclareTextCompositeCommand{\accdasiaperispomeni}{\LastDeclaredEncoding}{\alpha\ypogegrammeni}{ᾇ}
  % \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\Alpha\prosgegrammeni}{ᾈ}
  % \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\Alpha\prosgegrammeni}{ᾉ}
  % \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\Alpha\prosgegrammeni}{ᾊ}
  % \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\Alpha\prosgegrammeni}{ᾋ}
  % \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\Alpha\prosgegrammeni}{ᾌ}
  % \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\Alpha\prosgegrammeni}{ᾍ}
  % \DeclareTextCompositeCommand{\accpsiliperispomeni}{\LastDeclaredEncoding}{\Alpha\prosgegrammeni}{ᾎ}
  % \DeclareTextCompositeCommand{\accdasiaperispomeni}{\LastDeclaredEncoding}{\Alpha\prosgegrammeni}{ᾏ}
  %
  % \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\eta\ypogegrammeni}{ᾐ}
  % \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\eta\ypogegrammeni}{ᾑ}
  % \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\eta\ypogegrammeni}{ᾒ}
  % \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\eta\ypogegrammeni}{ᾓ}
  % \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\eta\ypogegrammeni}{ᾔ}
  % \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\eta\ypogegrammeni}{ᾕ}
  % \DeclareTextCompositeCommand{\accpsiliperispomeni}{\LastDeclaredEncoding}{\eta\ypogegrammeni}{ᾖ}
  % \DeclareTextCompositeCommand{\accdasiaperispomeni}{\LastDeclaredEncoding}{\eta\ypogegrammeni}{ᾗ}
  % \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\Eta\prosgegrammeni}{ᾘ}
  % \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\Eta\prosgegrammeni}{ᾙ}
  % \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\Eta\prosgegrammeni}{ᾚ}
  % \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\Eta\prosgegrammeni}{ᾛ}
  % \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\Eta\prosgegrammeni}{ᾜ}
  % \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\Eta\prosgegrammeni}{ᾝ}
  % \DeclareTextCompositeCommand{\accpsiliperispomeni}{\LastDeclaredEncoding}{\Eta\prosgegrammeni}{ᾞ}
  % \DeclareTextCompositeCommand{\accdasiaperispomeni}{\LastDeclaredEncoding}{\Eta\prosgegrammeni}{ᾟ}
  %
  % \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\omega\ypogegrammeni}{ᾠ}
  % \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\omega\ypogegrammeni}{ᾡ}
  % \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\omega\ypogegrammeni}{ᾢ}
  % \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\omega\ypogegrammeni}{ᾣ}
  % \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\omega\ypogegrammeni}{ᾤ}
  % \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\omega\ypogegrammeni}{ᾥ}
  % \DeclareTextCompositeCommand{\accpsiliperispomeni}{\LastDeclaredEncoding}{\omega\ypogegrammeni}{ᾦ}
  % \DeclareTextCompositeCommand{\accdasiaperispomeni}{\LastDeclaredEncoding}{\omega\ypogegrammeni}{ᾧ}
  % \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\Omega\prosgegrammeni}{ᾨ}
  % \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\Omega\prosgegrammeni}{ᾩ}
  % \DeclareTextCompositeCommand{\accpsilivaria}{\LastDeclaredEncoding}{\Omega\prosgegrammeni}{ᾪ}
  % \DeclareTextCompositeCommand{\accdasiavaria}{\LastDeclaredEncoding}{\Omega\prosgegrammeni}{ᾫ}
  % \DeclareTextCompositeCommand{\accpsilioxia}{\LastDeclaredEncoding}{\Omega\prosgegrammeni}{ᾬ}
  % \DeclareTextCompositeCommand{\accdasiaoxia}{\LastDeclaredEncoding}{\Omega\prosgegrammeni}{ᾭ}
  % \DeclareTextCompositeCommand{\accpsiliperispomeni}{\LastDeclaredEncoding}{\Omega\prosgegrammeni}{ᾮ}
  % \DeclareTextCompositeCommand{\accdasiaperispomeni}{\LastDeclaredEncoding}{\Omega\prosgegrammeni}{ᾯ}
  
  \DeclareTextCompositeCommand{\u}{\LastDeclaredEncoding}{\alpha}{ᾰ}
  \DeclareTextCompositeCommand{\=}{\LastDeclaredEncoding}{\alpha}{ᾱ}
  % \DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\alpha\ypogegrammeni}{ᾲ}
  % \DeclareTextCompositeCommand{\alpha}{\LastDeclaredEncoding}{\ypogegrammeni}{ᾳ}
  % \DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\alpha\ypogegrammeni}{ᾴ}
  \DeclareTextCompositeCommand{\~}{\LastDeclaredEncoding}{\alpha}{ᾶ}
  \DeclareTextCompositeCommand{\accperispomeni}{\LastDeclaredEncoding}{\alpha}{ᾶ}
  % \DeclareTextCompositeCommand{\accperispomeni}{\LastDeclaredEncoding}{\alpha\ypogegrammeni}{ᾷ}
  \DeclareTextCompositeCommand{\u}{\LastDeclaredEncoding}{\Alpha}{Ᾰ}
  \DeclareTextCompositeCommand{\=}{\LastDeclaredEncoding}{\Alpha}{Ᾱ}
  \DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\Alpha}{Ὰ}
  \DeclareTextCompositeCommand{\accvaria}{\LastDeclaredEncoding}{\Alpha}{Ὰ}
  % \DeclareTextCompositeCommand{\Alpha}{\LastDeclaredEncoding}{\prosgegrammeni}{ᾼ}
  
  % \DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\eta\ypogegrammeni}{ῂ}
  % \DeclareTextCompositeCommand{\eta}{\LastDeclaredEncoding}{\ypogegrammeni}{ῃ}
  % \DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\eta\ypogegrammeni}{ῄ}
  \DeclareTextCompositeCommand{\~}{\LastDeclaredEncoding}{\eta}{ῆ}
  \DeclareTextCompositeCommand{\accperispomeni}{\LastDeclaredEncoding}{\eta}{ῆ}
  % \DeclareTextCompositeCommand{\accperispomeni}{\LastDeclaredEncoding}{\eta\ypogegrammeni}{ῇ}
  \DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\Epsilon}{Ὲ}
  \DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\Eta}{Ὴ}
  \DeclareTextCompositeCommand{\accvaria}{\LastDeclaredEncoding}{\Epsilon}{Ὲ}
  \DeclareTextCompositeCommand{\accvaria}{\LastDeclaredEncoding}{\Eta}{Ὴ}
  % \DeclareTextCompositeCommand{\Eta}{\LastDeclaredEncoding}{\prosgegrammeni}{ῌ}
  
  
  \DeclareTextCompositeCommand{\u}{\LastDeclaredEncoding}{\iota}{ῐ}
  \DeclareTextCompositeCommand{\=}{\LastDeclaredEncoding}{\iota}{ῑ}
  \DeclareTextCompositeCommand{\accdialytikavaria}{\LastDeclaredEncoding}{\iota}{ῒ}
  \DeclareTextCompositeCommand{\accdialytikaoxia}{\LastDeclaredEncoding}{\iota}{ΐ}
  \DeclareTextCompositeCommand{\~}{\LastDeclaredEncoding}{\iota}{ῖ}
  \DeclareTextCompositeCommand{\accperispomeni}{\LastDeclaredEncoding}{\iota}{ῖ}
  \DeclareTextCompositeCommand{\accdialytikaperispomeni}{\LastDeclaredEncoding}{\iota}{ῗ}
  \DeclareTextCompositeCommand{\u}{\LastDeclaredEncoding}{\Iota}{Ῐ}
  \DeclareTextCompositeCommand{\=}{\LastDeclaredEncoding}{\Iota}{Ῑ}
  \DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\Iota}{Ὶ}
  \DeclareTextCompositeCommand{\accvaria}{\LastDeclaredEncoding}{\Iota}{Ὶ}
  
  \DeclareTextCompositeCommand{\u}{\LastDeclaredEncoding}{\upsilon}{ῠ}
  \DeclareTextCompositeCommand{\=}{\LastDeclaredEncoding}{\upsilon}{ῡ}
  \DeclareTextCompositeCommand{\accdialytikavaria}{\LastDeclaredEncoding}{\upsilon}{ῢ}
  \DeclareTextCompositeCommand{\accdialytikaoxia}{\LastDeclaredEncoding}{\upsilon}{ΰ}
  \DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\rho}{ῤ}
  \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\rho}{ῥ}
  \DeclareTextCompositeCommand{\~}{\LastDeclaredEncoding}{\upsilon}{ῦ}
  \DeclareTextCompositeCommand{\accperispomeni}{\LastDeclaredEncoding}{\upsilon}{ῦ}
  \DeclareTextCompositeCommand{\accdialytikaperispomeni}{\LastDeclaredEncoding}{\upsilon}{ῧ}
  \DeclareTextCompositeCommand{\u}{\LastDeclaredEncoding}{\Upsilon}{Ῠ}
  \DeclareTextCompositeCommand{\=}{\LastDeclaredEncoding}{\Upsilon}{Ῡ}
  \DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\Upsilon}{Ὺ}
  \DeclareTextCompositeCommand{\accvaria}{\LastDeclaredEncoding}{\Upsilon}{Ὺ}
  \DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\Rho}{Ῥ}
  
  % \DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\omega\ypogegrammeni}{ῲ}
  % \DeclareTextCompositeCommand{\omega}{\LastDeclaredEncoding}{\ypogegrammeni}{ῳ}
  % \DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\omega\ypogegrammeni}{ῴ}
  \DeclareTextCompositeCommand{\~}{\LastDeclaredEncoding}{\omega}{ῶ}
  \DeclareTextCompositeCommand{\accperispomeni}{\LastDeclaredEncoding}{\omega}{ῶ}
  % \DeclareTextCompositeCommand{\accperispomeni}{\LastDeclaredEncoding}{\omega\ypogegrammeni}{ῷ}
  \DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\Omicron}{Ὸ}
  \DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\Omega}{Ὼ}
  \DeclareTextCompositeCommand{\accvaria}{\LastDeclaredEncoding}{\Omicron}{Ὸ}
  \DeclareTextCompositeCommand{\accvaria}{\LastDeclaredEncoding}{\Omega}{Ὼ}
  % \DeclareTextCompositeCommand{\Omega}{\LastDeclaredEncoding}{\prosgegrammeni}{ῼ}
  
  
.. References

.. _LaTeX Project Public License: http://www.latex-project.org/lppl.txt
.. _alphabeta: http://www.ctan.org/pkg/greek-fontenc