add escaping

lms/templates/static_htmlbook.html

@@ -2,8 +2,12 @@
 
 <%inherit file="main.html" />
 <%namespace name='static' file='static_content.html'/>
+<<<<<<< HEAD
 <%block name="title"><title>${_('{course_number} Textbook').format(course_number=course.display_number_with_default)}</title>
 
+=======
+<%block name="title"><title>${course.display_number_with_default | h} Textbook</title>
+>>>>>>> add escaping
 </%block>
 
 <%block name="headextra">