freepascal.compiler/docs/syntax/tconst.syn

\begin{diagram}{Typed constant declaration}{typedconstantdeclaration}
\begin{mysyntdiag} 
\synt{typed\ constant\ declaration}
\begin{rep}[b]
  \synt{identifier} \lit*: \synt{type} \lit*= \synt{typed\ constant} \lit*; \\
\end{rep}  
\end{mysyntdiag}
\begin{mysyntdiag}
\synt{typed\ constant}
\(
\synt{constant} \\
\synt{address\ constant} \\
\synt{array\ constant} \\
\synt{record\ constant} \\
\synt{procedural\ constant}
\)
\end{mysyntdiag}
\end{diagram}