The source node in most cases contains the sample message as written by the developer. If it looks like a dot-delimitted string such as "form.label.firstname", then the developer has not provided a default message.

Add to basket Add to basket key: product.add.to.basket Add to comparison Add to comparison key: product.add_to_compare Add to stored basket Add to stored basket key: product.add_to_stored_basket Add to wishlist Add to wishlist key: product.add_to_wishlist Choose one of your stored baskets Choose one of your stored baskets key: product.choose_one_stored_basket Color Color key: product.color Country of Origin Country of Origin key: product.country.of.origin Description Description key: product.description EAN: %ean% EAN: %ean% key: product.ean Enter a new basket name! Enter a new basket name! key: product.enter_new_name_stored_basket Hide stored basket list Hide stored basket list key: product.hide_stored_basket_list Item No. Item No. key: product.item.no Please log in to use this feature Please log in to use this feature key: product.log_in Manufacturer Manufacturer key: product.manufacturer Manufacturer SKU Manufacturer SKU key: product.manufacturer.sku Minimum %pieces% piece(s) Minimum %pieces% piece(s) key: product.minimum_pieces You don't have the permission(s) to order. You don't have the permission(s) to order. key: product.no_order_permission Packaging Unit: %packageUnit% Packaging Unit: %packageUnit% key: product.packaging.unit Price Price key: product.price Qty Qty key: product.qty Quantity Quantity key: product.quantity SKU: %sku% SKU: %sku% key: product.sku Specification Specification key: product.specification Stock Stock key: product.stock Technical information Technical information key: product.technical.information Unit: %unit% Unit: %unit% key: product.unit Videos Videos key: product.video