etc/user-settings.sample

refining and adding Spec_Rules to definitional packages old_primrec, primrec, recdef, size and function

# -*- shell-script -*- :mode=shellscript:
#
# Isabelle user settings sample -- for use in ~/.isabelle/etc/settings

ISABELLE_USEDIR_OPTIONS="-i true -d pdf"
ISABELLE_LOGIC=HOL