# How to use greek letters in pgf-umlsd (or generally terms starting with \)

\begin{sequencediagram}
\newthread{a}{Alice}
\newthread{b}{Bob}
\mess{a}{Message \alphn}{b} %This doesn't compile
\mess{a}{Message \bet } {b} %This compiles but generates no greek letter
\end{sequencediagram}
\end{figure}
\end{document}



• Also \alph is already defined, so i changed it to \alphn. \alph{counter} prints the counter as a lowercase letter, a,b,c... – Twig Mar 10 '14 at 14:40
• I get a Missing \endcsname inserted error with your code. TeX Live 2013, recently updated. – Torbjørn T. Mar 10 '14 at 15:00
• Sorry, I don't get any errors, so can't fix this one. – Twig Mar 10 '14 at 15:34
• ah, I seem to be using v0.5 from 2009/09/30 – Twig Mar 10 '14 at 15:36
• I get the error now with v0.7 – Twig Mar 10 '14 at 15:43