{% load i18n %}
{% if quantity == 1 %}
    {% blocktrans with title=product.get_title %}
        <strong>{{ title }}</strong>
        has been added to your basket.
    {% endblocktrans %}
{% else %}
    {% blocktrans with title=product.get_title quantity=quantity %}
        <strong>{{ quantity }}</strong>
        copies of
        <strong>{{ title }}</strong>
        have been added to your basket.
    {% endblocktrans %}
{% endif %}
