more robust $ISABELLE_TMP_PREFIX on windows: avoid location within Cygwin root, i.e. inside the program directory (see also ff92d6edff2c and 1df53737c59b);
theory ToyList_Test
imports Main
begin
ML \<open>
let val text =
map (File.read o Path.append \<^master_dir>) [\<^path>\<open>ToyList1.txt\<close>, \<^path>\<open>ToyList2.txt\<close>]
|> implode
in Thy_Info.script_thy Position.start text \<^theory> end
\<close>
end