freepascal.compiler/docs/syntax/params.syn

\begin{diagram}{Parameters}{paramaters}
\begin{mysyntdiag}
\synt{formal\ parameter\ list}
\lit*( \<[b] \synt{parameter\ declaration} \\ \lit* ; \> \lit*)
\end{mysyntdiag}
\begin{mysyntdiag}
\synt{parameter\ declaration}
\(
\synt{value\ parameter}\\
\synt{variable\ parameter}\\
\synt{constant\ parameter}
\)
\end{mysyntdiag}
\end{diagram}