explicit identification of toplevel commands, with status etc.;
explicit point for tty mode;
prompt: markup prev id;
tuned signature;
# -*- shell-script -*-
# $Id$
#
# Isabelle user settings sample -- for use in ~/isabelle/etc/settings
ISABELLE_USEDIR_OPTIONS="-i true -d pdf"
HOL_USEDIR_OPTIONS="-p 1"
ISABELLE_LOGIC=HOL