-#! PERL_COMMAND -w
-# $Cambridge: exim/src/src/convert4r4.src,v 1.1 2004/10/07 10:39:01 ph10 Exp $
+#! PERL_COMMAND
# This is a Perl script that reads an Exim run-time configuration file for
# Exim 3. It makes what changes it can for Exim 4, and also output commentary
# It is assumed that the input is a valid Exim 3 configuration file.
+use warnings;
# These are lists of main options which are abolished in Exim 4.
# The first contains options that are used to construct new options.