clarified NEWS: document_files are officially required since Isabelle2014, but the absence was tolerated as legacy feature;
theory MicroJava
imports
"J/JTypeSafe"
"J/Example"
"J/JListExample"
"JVM/JVMListExample"
"JVM/JVMDefensive"
"BV/LBVJVM"
"BV/BVNoTypeError"
"BV/BVExample"
"Comp/CorrComp"
"Comp/CorrCompTp"
begin
end