ensuregreek, greekscript

Provide “empty” encoding-specific definitions for \ensuregreek and \greekscript. The definitions in this file make the font encoding fit for use with the Greek script. (See textalpha.sty for default definitions.)

The \ensuregreek macro can be used to ensure that its argument is set in a font encoding with support for Greek. If the active font encoding supports it, kerning between adjacent command calls (e.g. \ensuregreek{A}\ensuregreek{\Upsilon}) is preserved. This allows, e.g., wrapping of compound Unicode character definitions.

\ProvideTextCommand{\ensuregreek}{\LastDeclaredEncoding}[1]{#1}

The \greekscript declaration switches to a font encoding supporting the Greek script, if required. The following definition announces the \LastDeclaredEncoding as Greek-supporting:

\ProvideTextCommand{\greekscript}{\LastDeclaredEncoding}{}

Aliases

Aliases are defined via DeclareTextCommand so that up/downcasing works without the need for additional uclclist entries.

Compatibility aliases for hyperref’s puenc.def:

\DeclareTextCommand{\textstigmagreek}{\LastDeclaredEncoding}{\textstigma}
\DeclareTextCommand{\textkoppagreek}{\LastDeclaredEncoding}{\textkoppa}
\DeclareTextCommand{\textStigmagreek}{\LastDeclaredEncoding}{\textStigma}
\DeclareTextCommand{\textSampigreek}{\LastDeclaredEncoding}{\textSampi}
\DeclareTextCommand{\textsampigreek}{\LastDeclaredEncoding}{\textsampi}
\DeclareTextCommand{\textdigammagreek}{\LastDeclaredEncoding}{\textdigamma}
\DeclareTextCommand{\textDigammagreek}{\LastDeclaredEncoding}{\textDigamma}

\DeclareTextCommand{\textnumeralsigngreek}{\LastDeclaredEncoding}{\textdexiakeraia}
\DeclareTextCommand{\textnumeralsignlowergreek}{\LastDeclaredEncoding}{\textaristerikeraia}

Names from babel and teubner (do we want to define them here as alias?)

\DeclareTextCommand{\anwtonos}{\LastDeclaredEncoding}{\textdexiakeraia}     % ʹ
\DeclareTextCommand{\katwtonos}{\LastDeclaredEncoding}{\textaristerikeraia} % ͵

Two Unicode code points and names for one character:

\DeclareTextCommand{\accoxia}{\LastDeclaredEncoding}{\acctonos}
\DeclareTextCommand{\acckoronis}{\LastDeclaredEncoding}{\accpsili}

Symbol macros for the breathings:

Moved to textalpha.sty to avoid clashes with local definitions of \< and \> in documents using LGR or babel-greek. (Bugreport David Kastrup). If you want to use the short macros without loading textalpha, you can define them in the document preamble like

\DeclareTextCommand{\<}{LGR}{\accdasia}
\DeclareTextCommand{\>}{LGR}{\accpsili}
\DeclareTextCompositeCommand{\>}{LGR}{'}{\accpsilioxia}
\DeclareTextCompositeCommand{\>}{LGR}{`}{\accpsilivaria}
\DeclareTextCompositeCommand{\>}{LGR}{~}{\accpsiliperispomeni}
\DeclareTextCompositeCommand{\<}{LGR}{'}{\accdasiaoxia}
\DeclareTextCompositeCommand{\<}{LGR}{`}{\accdasiavaria}
\DeclareTextCompositeCommand{\<}{LGR}{~}{\accdasiaperispomeni}

Or use alternative symbols for the breathings (cf. X compose table, LCI encoding)?

\DeclareTextCommand{\(}{\LastDeclaredEncoding}{\accdasia}
\DeclareTextCommand{\)}{\LastDeclaredEncoding}{\accpsili}

Composite diacritics

Composite accents can be input as sequence of simple diacritics (in arbitrary order) via named macro, symbol macro and “transcription characters”, e.g. one of

\accdialytica\accvaria\textalpha,
\"\'\textalpha,
\"'\textalpha, or
\'"\textalpha.

Separate definitions for the supported variants of the second input token are required as composition is based on the non-expanded input

The composition with simple “transcription characters” must also be defined for the symbol macros, otherwise it fails with \Makeuppercase.

For Unicode encodings (where they do not resolve to Greek named macros, composite definitions starting with standard macros are requried:

\DeclareTextCompositeCommand{\accdialytika}{\LastDeclaredEncoding}{\acctonos}{\accdialytikatonos}
\DeclareTextCompositeCommand{\accdialytika}{\LastDeclaredEncoding}{\'}{\accdialytikatonos}
\DeclareTextCompositeCommand{\accdialytika}{\LastDeclaredEncoding}{'}{\accdialytikatonos}
\DeclareTextCompositeCommand{\"}{\LastDeclaredEncoding}{\'}{\accdialytikatonos}
\DeclareTextCompositeCommand{\"}{\LastDeclaredEncoding}{'}{\accdialytikatonos}
\DeclareTextCompositeCommand{\accdialytika}{\LastDeclaredEncoding}{\accvaria}{\accdialytikavaria}
\DeclareTextCompositeCommand{\accdialytika}{\LastDeclaredEncoding}{\`}{\accdialytikavaria}
\DeclareTextCompositeCommand{\accdialytika}{\LastDeclaredEncoding}{`}{\accdialytikavaria}
\DeclareTextCompositeCommand{\"}{\LastDeclaredEncoding}{\`}{\accdialytikavaria}
\DeclareTextCompositeCommand{\"}{\LastDeclaredEncoding}{`}{\accdialytikavaria}
\DeclareTextCompositeCommand{\accdialytika}{\LastDeclaredEncoding}{\accperispomeni}{\accdialytikaperispomeni}
\DeclareTextCompositeCommand{\accdialytika}{\LastDeclaredEncoding}{\~}{\accdialytikaperispomeni}
\DeclareTextCompositeCommand{\accdialytika}{\LastDeclaredEncoding}{~}{\accdialytikaperispomeni}
\DeclareTextCompositeCommand{\"}{\LastDeclaredEncoding}{\~}{\accdialytikaperispomeni}
\DeclareTextCompositeCommand{\"}{\LastDeclaredEncoding}{~}{\accdialytikaperispomeni}

\DeclareTextCompositeCommand{\acctonos}{\LastDeclaredEncoding}{\accdialytika}{\accdialytikatonos}
\DeclareTextCompositeCommand{\acctonos}{\LastDeclaredEncoding}{\"}{\accdialytikatonos}
\DeclareTextCompositeCommand{\acctonos}{\LastDeclaredEncoding}{"}{\accdialytikatonos}
\DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\"}{\accdialytikatonos}
\DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{"}{\accdialytikatonos}
\DeclareTextCompositeCommand{\acctonos}{\LastDeclaredEncoding}{\accdasia}{\accdasiaoxia}
\DeclareTextCompositeCommand{\acctonos}{\LastDeclaredEncoding}{\<}{\accdasiaoxia}
\DeclareTextCompositeCommand{\acctonos}{\LastDeclaredEncoding}{<}{\accdasiaoxia}
\DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\<}{\accdasiaoxia}
\DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{<}{\accdasiaoxia}
\DeclareTextCompositeCommand{\acctonos}{\LastDeclaredEncoding}{\accpsili}{\accpsilioxia}
\DeclareTextCompositeCommand{\acctonos}{\LastDeclaredEncoding}{\>}{\accpsilioxia}
\DeclareTextCompositeCommand{\acctonos}{\LastDeclaredEncoding}{>}{\accpsilioxia}
\DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\>}{\accpsilioxia}
\DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{>}{\accpsilioxia}
\DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{\'}{\textquoteright}
\DeclareTextCompositeCommand{\'}{\LastDeclaredEncoding}{'}{\textquoteright}

\DeclareTextCompositeCommand{\accvaria}{\LastDeclaredEncoding}{\accdialytika}{\accdialytikavaria}
\DeclareTextCompositeCommand{\accvaria}{\LastDeclaredEncoding}{\"}{\accdialytikavaria}
\DeclareTextCompositeCommand{\accvaria}{\LastDeclaredEncoding}{"}{\accdialytikavaria}
\DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\"}{\accdialytikavaria}
\DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{"}{\accdialytikavaria}
\DeclareTextCompositeCommand{\accvaria}{\LastDeclaredEncoding}{\accdasia}{\accdasiavaria}
\DeclareTextCompositeCommand{\accvaria}{\LastDeclaredEncoding}{\<}{\accdasiavaria}
\DeclareTextCompositeCommand{\accvaria}{\LastDeclaredEncoding}{<}{\accdasiavaria}
\DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\<}{\accdasiavaria}
\DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{<}{\accdasiavaria}
\DeclareTextCompositeCommand{\accvaria}{\LastDeclaredEncoding}{\accpsili}{\accpsilivaria}
\DeclareTextCompositeCommand{\accvaria}{\LastDeclaredEncoding}{\>}{\accpsilivaria}
\DeclareTextCompositeCommand{\accvaria}{\LastDeclaredEncoding}{>}{\accpsilivaria}
\DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\>}{\accpsilivaria}
\DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{>}{\accpsilivaria}
\DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{\`}{\textquoteleft}
\DeclareTextCompositeCommand{\`}{\LastDeclaredEncoding}{`}{\textquoteleft}

\DeclareTextCompositeCommand{\accperispomeni}{\LastDeclaredEncoding}{\accdialytika}{\accdialytikaperispomeni}
\DeclareTextCompositeCommand{\accperispomeni}{\LastDeclaredEncoding}{\"}{\accdialytikaperispomeni}
\DeclareTextCompositeCommand{\accperispomeni}{\LastDeclaredEncoding}{"}{\accdialytikaperispomeni}
\DeclareTextCompositeCommand{\~}{\LastDeclaredEncoding}{\"}{\accdialytikaperispomeni}
\DeclareTextCompositeCommand{\~}{\LastDeclaredEncoding}{"}{\accdialytikaperispomeni}
\DeclareTextCompositeCommand{\accperispomeni}{\LastDeclaredEncoding}{\accdasia}{\accdasiaperispomeni}
\DeclareTextCompositeCommand{\accperispomeni}{\LastDeclaredEncoding}{\<}{\accdasiaperispomeni}
\DeclareTextCompositeCommand{\accperispomeni}{\LastDeclaredEncoding}{<}{\accdasiaperispomeni}
\DeclareTextCompositeCommand{\~}{\LastDeclaredEncoding}{\<}{\accdasiaperispomeni}
\DeclareTextCompositeCommand{\~}{\LastDeclaredEncoding}{<}{\accdasiaperispomeni}
\DeclareTextCompositeCommand{\accperispomeni}{\LastDeclaredEncoding}{\accpsili}{\accpsiliperispomeni}
\DeclareTextCompositeCommand{\accperispomeni}{\LastDeclaredEncoding}{\>}{\accpsiliperispomeni}
\DeclareTextCompositeCommand{\accperispomeni}{\LastDeclaredEncoding}{>}{\accpsiliperispomeni}
\DeclareTextCompositeCommand{\~}{\LastDeclaredEncoding}{\>}{\accpsiliperispomeni}
\DeclareTextCompositeCommand{\~}{\LastDeclaredEncoding}{>}{\accpsiliperispomeni}

\DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\acctonos}{\accpsilioxia}
\DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\'}{\accpsilioxia}
\DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{'}{\accpsilioxia}
\DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\accvaria}{\accpsilivaria}
\DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\`}{\accpsilivaria}
\DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{`}{\accpsilivaria}
\DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\accperispomeni}{\accpsiliperispomeni}
\DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{\~}{\accpsiliperispomeni}
\DeclareTextCompositeCommand{\accpsili}{\LastDeclaredEncoding}{~}{\accpsiliperispomeni}

\DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\acctonos}{\accdasiaoxia}
\DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\'}{\accdasiaoxia}
\DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{'}{\accdasiaoxia}
\DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\accvaria}{\accdasiavaria}
\DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\`}{\accdasiavaria}
\DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{`}{\accdasiavaria}
\DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\accperispomeni}{\accdasiaperispomeni}
\DeclareTextCompositeCommand{\accdasia}{\LastDeclaredEncoding}{\~}{\accdasiaperispomeni}

UPPERCASE

If UPPERCASE (all-caps) is generated with \MakeUppercase, macro substitutions in the \@uclclist apply. This can be used to drop the diacritics (except dialytika and iota subscript). Different conventions exist for the treatment of the iota subscript with uppercase letters. In the CB Fonts, a small capital adscript iota is used.

\providecommand*\update@uclc@with@greek{%
  \expandafter\def\expandafter\@uclclist\expandafter{%
    \@uclclist
    \accdasia\LGR@accdropped
    \accdasiaoxia\LGR@hiatus
    \accdasiavaria\LGR@accdropped
    \accdasiaperispomeni\LGR@accdropped
    \accpsili\LGR@hiatus
    \accpsilioxia\LGR@hiatus
    \accpsilivaria\LGR@hiatus
    \accpsiliperispomeni\LGR@accdropped
    \acctonos\LGR@hiatus
    \accvaria\LGR@accdropped
    \accdialytikatonos\LGR@accDialytika
    \accdialytikavaria\LGR@accDialytika
    \accdialytikaperispomeni\LGR@accDialytika
    \accperispomeni\LGR@accdropped
    \LGR@ypogegrammeni\prosgegrammeni
    \textalpha  \textAlpha
    \textbeta   \textBeta
    \textgamma  \textGamma
    \textdelta  \textDelta
    \textepsilon\textEpsilon
    \textzeta   \textZeta
    \texteta    \textEta
    \texttheta  \textTheta
    \textiota   \textIota
    \textkappa  \textKappa
    \textlambda \textLambda
    \textmu     \textMu
    \textnu     \textNu
    \textxi     \textXi
    \textomicron\textOmicron
    \textpi     \textPi
    \textrho    \textRho
    \textvarsigma  \textSigma
    \textsigma     \textSigma
    \textautosigma \textSigma
    \texttau    \textTau
    \textupsilon\textUpsilon
    \textphi    \textPhi
    \textchi    \textChi
    \textpsi    \textPsi
    \textomega  \textOmega
    \textqoppa     \textQoppa
    \textvarstigma \textStigma
    \textstigma    \textStigma
    \textsampi     \textSampi
    \textdigamma   \textDigamma
  }%
  \let\update@uclc@with@greek\relax
}

\update@uclc@with@greek

\DeclareTextCommand{\LGR@accdropped}{\LastDeclaredEncoding}[1]{#1}

\DeclareTextCommand{\LGR@accDialytika}{\LastDeclaredEncoding}{\accdialytika}
\DeclareTextCompositeCommand{\accdialytika}{\LastDeclaredEncoding}{\LGR@hiatus}{\accdialytika}

\DeclareTextCommand{\LGR@ypogegrammeni}{\LastDeclaredEncoding}{\ypogegrammeni}

\DeclareTextCommand{\LGR@hiatus}{\LastDeclaredEncoding}[1]{#1}
\DeclareTextCompositeCommand{\LGR@hiatus}{\LastDeclaredEncoding}{>}{\LGR@hiatus}
\DeclareTextCompositeCommand{\LGR@hiatus}{\LastDeclaredEncoding}{<}{\LGR@accdropped}
\DeclareTextCompositeCommand{\LGR@hiatus}{\LastDeclaredEncoding}{\textAlpha}{\LGR@A@hiatus}
\DeclareTextCompositeCommand{\LGR@hiatus}{\LastDeclaredEncoding}{\textEpsilon}{\LGR@E@hiatus}

\providecommand*{\LGR@ifnextchar}[3]{%
  \let\reserved@d= #1%
  \def\reserved@a{#2}\def\reserved@b{#3}%
  \futurelet\@let@token\LGR@ifnch
}
\providecommand*{\LGR@ifnch}{%
  \ifx\@let@token\reserved@d \let\reserved@b\reserved@a \fi
  \reserved@b
}