[Tex/LaTex] Typeset Greek Words

font-encodings

My question is essentially the same as that found here. I would like to be able to typeset a handful of Greek words.

Here's a MWE:

\documentclass{book}

%\usepackage[LGR,T1]{inputenc}
\usepackage[utf8]{inputenc}
%\usepackage[greek,english]{babel}
\newcommand{\textgreek}[1]{\begingroup\fontencoding{LGR}\selectfont#1\endgroup}

%\usepackage{textcomp}
\newcommand{\theos}{\ensuremath{\theta\epsilon\acute o\sigma}\ }

\begin{document}
\begin{itemize}

\item Latin version (not what I want): theos 
\item Math version (in italics, but otherwise fine): \theos.
\item Solution from @egreg (does not work for me): \textgreek{θεός}

\end{itemize}
\end{document}

Depending which packages I uncomment, I get different errors.

  • Everything uncommented:
    • LaTeX Error: File `LGR.def' not found.
    • LaTeX Error: File `LGRx.def' not found. (if I change it to LGRx)
  • Without LGR and textcomp:
    • Package babel Error: Unknown option `greek'.
    • LaTeX Error: Encoding scheme `LGR' unknown.
    • Package inputenc Error: Unicode char θ (U+3B8)(inputenc) not set up for use with LaTeX (and similar for other characters)
  • Without LGR, babel, and textcomp
    • LaTeX Error: Encoding scheme 'LGR' unknown.
    • Package inputenc Error: Unicode char θ (U+3B8)(inputenc) not set up for use with LaTeX (and similar for other characters)
  • Without the \textgreek newcommand, and textcomp
    • File `LGR.def' not found.

You get the idea. I can copy the utf8 greek letters into the .tex, but can't get them into my pdf. I'm running PDFLaTeX on Texmaker on Ubuntu.

Follow-up to comments. 

\documentclass{book}
\usepackage[utf8]{inputenc}
\usepackage[greek,english]{babel} 

\begin{document} \textgreek{θεός} 

\end{document}

Returns error: Package babel Error: Unknown option `greek'.

If I run the same with LuaLaTeX or XeLaTeX, it ignores the inputenc, says that \textgreek is undefined, has the same babel error, and does not output the greek letters.

How would I make LuaLaTeX or XeLaTeX work with greek? I've not come across them before, but see that they are an option in Texmaker.

Best Answer

Okay, so the issue was (at least partly) that I didn't have the babel greek packages installed.

So in terminal I ran this (from here):

$ sudo apt-cache search texlive greek
$ sudo apt-get install texlive-lang-greek

Then with pdfLaTeX I was able to run the following:

\documentclass{book}

\usepackage{cmap}
\usepackage{ucs}
\usepackage[utf8x]{inputenc}
\usepackage[greek,english]{babel}


\begin{document}
\begin{itemize}
\item \textgreek{theta} 
\item \textgreek{θεός}

\end{itemize}
\end{document}

with almost expected results.

The greek changes the font somewhat. So the θεός is rendered with a curly theta. I guess this is just a different font, because when I copy and paste it from the pdf output, it looks exactly the same.

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