--- bin/isabelle-process.orig	Sat Jan 12 16:42:22 2008
+++ bin/isabelle-process	Sat Jan 12 16:42:58 2008
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 #
 # $Id: isabelle-process,v 1.17 2006/12/04 20:33:36 aspinall Exp $
 # Author: Markus Wenzel, TU Muenchen
@@ -16,12 +16,12 @@
 PRG="$(basename "$0")"
 
 ISABELLE_HOME="$(cd "$(dirname "$0")"; cd "$(pwd -P)"; cd ..; pwd)"
-source "$ISABELLE_HOME/lib/scripts/getsettings" || exit 2
+. "$ISABELLE_HOME/lib/scripts/getsettings" || exit 2
 
 
 ## diagnostics
 
-function usage()
+usage()
 {
   echo
   echo "Usage: $PRG [OPTIONS] [INPUT] [OUTPUT]"
@@ -49,7 +49,7 @@
   exit 1
 }
 
-function fail()
+fail()
 {
   echo "$1" >&2
   exit 2