#!/usr/bin/perl

use strict;
use warnings;

use CGI q/:standard/;
use Text::VimColor;

my $perl=<<EOP;
#!/usr/bin/perl
use strict;
use warnings;
print "Hello, world!\n";
EOP
# my vim is in /usr/local/bin
$ENV{PATH}="/usr/local/bin:$ENV{PATH}";

my $vim = Text::VimColor->new( # line 18
  string => $perl,
);

print header();
print $vim->html;

##</code><code>##

vim returned an error code of '1'
Vim wrote this error output:
Vim: Warning: Output is not to a terminal
Vim: Warning: Input is not from a terminal
 at /usr/local/www/data/path_to_cgi/html.cgi line 18

##</code><code>##

s**lil*;  $*=join'',sort split q**;  s;.*;grr; &&s+(.(.)).+$2$1+; $; =
qq-$_-;s,.*,ahc,;$,.=chop for split q,,,reverse;print for($,,$;,$*,$/)