/usr/bin/xfce4-terminal.wrapper is in xfce4-terminal 0.6.3-2ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | #! /usr/bin/perl -w
#
# Terminal.wrapper - Debian terminal wrapper script
#
# Copyright (c) 2004-2005 os-cillation
#
while ($opt = shift(@ARGV))
{
    if ($opt eq '-display')
    {
	$arg = shift(@ARGV);
	push(@args, '--default-display', $arg);
    }
    elsif ($opt eq '-name')
    {
	$arg = shift(@ARGV);
    }
    elsif ($opt eq '-n')
    {
	$arg = shift(@ARGV);
    }
    elsif ($opt eq '-T' || $opt eq '-title')
    {
	push(@args, '--title', shift(@ARGV));
    }
    elsif ($opt eq '-geometry')
    {
	$arg = shift(@ARGV);
	push(@args, "--geometry=$arg");
    }
    elsif ($opt eq '-fn')
    {
	$arg = shift(@ARGV);
    }
    elsif ($opt eq '-fg')
    {
	$arg = shift(@ARGV);
    }
    elsif ($opt eq '-bg')
    {
	$arg = shift(@ARGV);
    }
    elsif ($opt eq '-tn')
    {
	$arg = shift(@ARGV);
    }
    elsif ($opt eq '-e')
    {
	$arg = shift(@ARGV);
    if (@ARGV)
    {
        push(@args, '-x', $arg, @ARGV);
        last;
    }
    else
    {
        push(@args, '-e', $arg);
    }
    last;
    }
    elsif ($opt eq '-h' || $opt eq '--help')
    {
	push(@args, '--help');
    }
}
exec('xfce4-terminal',@args);
 |