SimpleMachines / SMF2.1

			$form_subject = $first_subject;

			// Add 'Re: ' to the front of the subject.

			if (trim($context['response_prefix']) != '' && $form_subject != '' && $smcFunc['strpos']($form_subject, trim($context['response_prefix'])) !== 0)

				$form_subject = $context['response_prefix'] . $form_subject;

			// Censor the subject.

			censorText($form_subject);

			cache_put_data('response_prefix', $context['response_prefix'], 600);

		}

		$form_subject = $row_quoted['subject'];

		if ($context['reply'] && trim($context['response_prefix']) != '' && $smcFunc['strpos']($form_subject, trim($context['response_prefix'])) !== 0)

			$form_subject = $context['response_prefix'] . $form_subject;

		if (isset($_REQUEST['quote']))

		{