<%! from django.utils.translation import ugettext as _ %> <%inherit file="main.html" /> <%namespace name='static' file='static_content.html'/> <%block name="pagetitle">${_("{course_number} Textbook").format(course_number=course.display_number_with_default) | h} <%block name="headextra"> <%static:css group='style-course-vendor'/> <%static:css group='style-course'/> <%static:js group='courseware'/> <%block name="js_extra"> <%include file="/courseware/course_navigation.html" args="active_page='textbook/{0}'.format(book_index)" />