Was muss ich beim Umstieg auf LuaTeX beachten?

Wenn man ein klassisches LaTeX-Dokument hat, das mit PDFTeX erzeugt wird, kann man meist ohne großartige Änderungen einfach LuaLaTeX benutzen.

Als erstes merkt man meist den Unterschied in der Fähigkeit von LuaTeX, UTF-8-kodierte Dokumente direkt zu verarbeiten, ohne das Paket inputenc zu benutzen. Das muss man also herausnehmen. Aus dem einfachen Dokument

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\documentclass{article}
\usepackage[ngerman]{babel}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\begin{document}
Schönen Gruß aus Österreich!
\end{document}
 
 
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muss man für LuaLaTeX den Aufruf des Pakets inputenc entfernen, sonst gibt es folgende Fehlermeldung:

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! Package inputenc Error: Keyboard character used is undefined
(inputenc)                in inputencoding `utf8'.
See the inputenc package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
l.6 Schö
         nen Gruß aus Österreich!
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Möchte man weiterhin seine Dokumente mit PDFLaTeX als auch mit LuaLaTeX verarbeiten können, empfiehlt sich das Paket luainputenc, das auch mit PDFLaTeX funktioniert:

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\documentclass{article}
\usepackage[ngerman]{babel}
\usepackage[T1]{fontenc}
\usepackage[utf8]{luainputenc}
\begin{document}
Schönen Gruß aus Österreich!
\end{document}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Dieses Dokument funktioniert mit PDFLaTeX und LuaTeX.