docs updated

docs/main.tex

@@ -57,6 +57,7 @@
 \begin{document}
 \sloppy
 
+\newcommand{\curryppdocs}{.}
 \input{manual.tex}
 \clearpage
 \appendix

docs/manual.tex

@@ -315,7 +315,7 @@ Figure~\ref{fig:erd} shows an ERD which we use in the following examples.
 
 \begin{figure*}[t]
 \begin{center}
-  \includegraphics[trim= 0 320 120 0,scale=0.7, clip=true]{diagram.pdf}
+  \includegraphics[trim= 0 320 120 0,scale=0.7, clip=true]{\curryppdocs/diagram.pdf}
 \end{center}
 \caption{A simple entity-relationship diagram for university lectures \cite{HanusKrone17EPTCS}}
 \label{fig:erd}