When a tested file contains Latin-1 chars, Test::EOL issues warnings and
fails if trailing_whitespace option is turned on.

diff -up Test-EOL-0.9/lib/Test/EOL.pm Test-EOL-0.9/lib/Test/EOL.pm
--- Test-EOL-0.9/lib/Test/EOL.pm	2010-06-16 15:05:07.000000000 +0100
+++ Test-EOL-0.9/lib/Test/EOL.pm	2010-10-18 09:58:18.077182938 +0100
@@ -104,7 +104,7 @@ sub eol_unix_ok {
 
     open my $fh, $file or do { $Test->ok(0, $test_txt); $Test->diag("Could not open $file: $!"); return; };
     # Windows-- , default is :crlf, which hides \r\n  -_-
-    binmode( $fh, ':raw:utf8' );
+    binmode( $fh, ':raw' );
     my $line = 0;
     my @fails;
     while (<$fh>) {
diff -up /dev/null Test-EOL-0.9/t/13-latin1.t
--- /dev/null			1970-01-01 00:00:00.000000000 +0000
+++ Test-EOL-0.9/t/13-latin1.t	2010-10-18 09:57:00.019168309 +0100
@@ -0,0 +1,21 @@
+use strict;
+
+use Test::More tests => 1;
+
+use Test::EOL;
+
+use File::Temp 'tempfile';
+
+my $file5 = make_file5();
+eol_unix_ok( $file5, { trailing_whitespace => 1 });
+
+unlink $file5;
+
+sub make_file5 {
+  my ($fh, $filename) = tempfile();
+  print $fh <<'DUMMY';
+#!/usr/bin/perl
+print "Grüße!\n";
+DUMMY
+  return $filename;
+}