<%init>
my %variables = ( Ticket => $Ticket );

if (RT->Config->Get('ArticleTemplatesWithRequestArgs')) {
    $variables{'request_args'} = { $m->request_args };
}

my ($new, $msg) = $Article->ParseTemplate( $$content, %variables );
unless ( defined $new && length $new ) {
    $RT::Logger->error("Couldn't parse article's content: $msg");
} else {
    $$content = $new;
}
</%init>
<%args>
$Article
$Ticket => undef
$content
</%args>