usage: tell current OPTIONS value;

--- a/lib/scripts/isa-emacs	Fri Sep 03 16:11:53 1999 +0200
+++ b/lib/scripts/isa-emacs	Fri Sep 03 17:52:13 1999 +0200
@@ -20,6 +20,9 @@
   echo "    -u BOOL      use .emacs file (default false)"
   echo
   echo "Starts Emacs and Isamode."
+  echo
+  echo "  ISAMODE_OPTIONS=$ISAMODE_OPTIONS"
+  echo
   exit 1
 }
 

--- a/lib/scripts/isa-xterm	Fri Sep 03 16:11:53 1999 +0200
+++ b/lib/scripts/isa-xterm	Fri Sep 03 17:52:13 1999 +0200
@@ -25,6 +25,8 @@
   echo "  Starts Isabelle within an xterm window. CMDLINE is passed"
   echo "  directly to the isabelle session."
   echo
+  echo "  ISABELLE_XTERM_OPTIONS=$ISABELLE_XTERM_OPTIONS"
+  echo
   exit 1
 }