below is the list of files.
/catalog/includes/functions/functions_lookups.php
Line #241 : $out_of_stock = '<span class="markProductOutOfStock">' . STOCK_MARK_PRODUCT_OUT_OF_STOCK . '</span>';
Line #255 : $out_of_stock = '<span class="markProductOutOfStock">' . STOCK_MARK_PRODUCT_OUT_OF_STOCK . '</span>';
Line #258 : $out_of_stock = '<span class="markProductOutOfStock">' . STOCK_MARK_PRODUCT_OUT_OF_STOCK . '</span>';
/catalog/includes/languages/english/Rumina/checkout_confirmation.php
Line #27 : define('OUT_OF_STOCK_CAN_CHECKOUT', 'Products marked with ' . STOCK_MARK_PRODUCT_OUT_OF_STOCK . ' are out of stock.<br />Items not in stock will be placed on backorder.');
/catalog/includes/languages/english/Rumina/shopping_cart.php
Line #23 : define('OUT_OF_STOCK_CANT_CHECKOUT', 'Products marked with ' . STOCK_MARK_PRODUCT_OUT_OF_STOCK . ' are out of stock or there are not enough in stock to fill your order.<br />Please change the quantity of products marked with (' . STOCK_MARK_PRODUCT_OUT_OF_STOCK . '). Thank you');
Line #24 : define('OUT_OF_STOCK_CAN_CHECKOUT', 'Products marked with ' . STOCK_MARK_PRODUCT_OUT_OF_STOCK . ' are out of stock.<br />Items not in stock will be placed on backorder.');
/catalog/includes/languages/english/checkout_confirmation.php
Line #26 : define('OUT_OF_STOCK_CAN_CHECKOUT', 'Products marked with ' . STOCK_MARK_PRODUCT_OUT_OF_STOCK . ' are out of stock.<br />Items not in stock will be placed on backorder.');
/catalog/includes/languages/english/shopping_cart.php
Line #23 : define('OUT_OF_STOCK_CANT_CHECKOUT', 'Products marked with ' . STOCK_MARK_PRODUCT_OUT_OF_STOCK . ' are out of stock or there are not enough in stock to fill your order.<br />Please change the quantity of products marked with (' . STOCK_MARK_PRODUCT_OUT_OF_STOCK . '). Thank you');
Line #24 : define('OUT_OF_STOCK_CAN_CHECKOUT', 'Products marked with ' . STOCK_MARK_PRODUCT_OUT_OF_STOCK . ' are out of stock.<br />Items not in stock will be placed on backorder.');