4

I am writing my thesis in latex and added an appendix at the end of the document. The language of the document is in greek by:

\usepackage[english, greek]{babel}
\usepackage[utf8x]{inputenc}
\usepackage[T1]{fontenc}

As such, the appendix chapter numbering is in greek numeral: Α,Β,Γ,Ε,... and so forth.

The problem lies with number six: in greek numerals it is ΣΤ but in latex I get this strange character:

Strange character for number six as a greek numerals, appendix chapter numbering

In order to generate the appendix I used the following format:

  /appendix
  /chapter{chapter 1}
    chapter 1 contents
  /chapter{chapter 2}
    chapter 2 contents
  ...
/end{document}

I searched everywhere but it seems noone else has encountered this problem so far. Is there anything I can do to fix this? A possible way is to number this particular chapter with something else, so I tried:

$\Sigma T$

but it doesn't seem to work.

4

The greek.ldf file uses \textstigma and \textStigma for the alphabetic representation of the number six, which output as

enter image description here

As far as I know, the glyphs are only used in this context, so a cheap way to get

enter image description here

is to change the meaning of the commands mentioned above.

\documentclass{book}
\usepackage[greek]{babel}

\renewcommand{\textstigma}{\textsigma\texttau}
\renewcommand{\textStigma}{\textSigma\textTau}

\newcounter{test}
\renewcommand{\thetest}{\Alph{test}}

\begin{document}

\appendix
\setcounter{chapter}{5}

\chapter{ABG}

\stepcounter{test}\thetest\quad
\stepcounter{test}\thetest\quad
\stepcounter{test}\thetest\quad
\stepcounter{test}\thetest\quad
\stepcounter{test}\thetest\quad
\stepcounter{test}\thetest

\end{document}

enter image description here

If you want to keep the meaning of \textstigma and \textStigma, while changing the alphabetic representation of numbers, you can patch the relevant macro:

\documentclass{book}
\usepackage[greek]{babel}
\usepackage{etoolbox}

\makeatletter
\patchcmd{\gr@num@i}{\textstigma}{\textsigma\texttau}{}{}
\makeatother

\newcounter{test}
\renewcommand{\thetest}{\Alph{test}}

\begin{document}

\appendix
\setcounter{chapter}{5}

\chapter{ABG}

\stepcounter{test}\thetest\quad
\stepcounter{test}\thetest\quad
\stepcounter{test}\thetest\quad
\stepcounter{test}\thetest\quad
\stepcounter{test}\thetest\quad
\stepcounter{test}\thetest

\end{document}

Note that utf8x is unmaintained and the standard utf8 option is default in recent LaTeX distributions, perfectly covering Greek.

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