theory Appendiximports Basebegintext {* \appendix *}chapter {* Recipes *}text {* Possible topics: \begin{itemize} \item translations/print translations; @{ML "Proof_Context.print_syntax"} \item user space type systems (in the form that already exists) \item useful datastructures: discrimination nets, graphs, association lists \item Brief history of Isabelle \end{itemize}*}end