     "congs"
     "constrains"
     "contains"
+    "datatypes"
     "defines"
     "file"
     "fixes"
     "for"
+    "functions"
     "hide_action"
     "hints"
     "identifier"

    "code_modulename"
    "code_monad"
    "code_pred"
    "code_reserved"
    "code_thms"
    "code_type"

    "code_module"
    "code_modulename"
    "code_monad"
    "code_reflect"
    "code_reserved"
    "code_type"
    "coinductive"
