etc/user-settings.sample

replaced apply-style proof for instance Multiset :: plus_ac0 by recommended Isar proof style

# -*- shell-script -*-
# $Id$
#
# Isabelle user settings sample -- may be copied to ~/isabelle/etc/settings

ISABELLE_USEDIR_OPTIONS="-i true -d pdf"
HOL_PROOF_OBJECTS="-p 1"
ISABELLE_LOGIC=HOL