* \isabellestyle{it} produces near math mode output;
* settings: smart setup of canonical ML_HOME, ISABELLE_INTERFACE, XSYMBOL_HOME;
Sep2 = Main +
consts sep :: 'a list => 'a => 'a list
recdef sep "measure length"
"sep (x#y#zs) = (%a. x # a # sep zs a)"
"sep xs = (%a. xs)"
end