WL-415 | marking HTML strings.

lti_consumer/templates/html/student.html

+<%! from django.utils.translation import ugettext as _ %>
 <h2 class="problem-header">
     ## Translators:  "External resource" means that this learning module is hosted on a platform external to the edX LMS
-    ${display_name} (External resource)
+    ${display_name} {_("(External resource)")}
 </h2>
 
 % if has_score and weight:
@@ -32,14 +33,16 @@
                         class="btn btn-pl-primary btn-base btn-lti-modal"
                         data-target="#${element_id + '-lti-modal'}"
                     >
-                        ${button_text or 'View resource in a modal window'} <i class="icon fa fa-external-link"></i>
+                        <% alternate_button_text = {_("View resource in a modal window")} %>
+                        ${button_text or alternate_button_text} <i class="icon fa fa-external-link"></i>
                     </button>
                 % else:
                     <button
                         class="btn btn-pl-primary btn-base btn-lti-new-window"
                         data-target="${form_url}"
                     >
-                        ${button_text or 'View resource in a new window'} <i class="icon fa fa-external-link"></i>
+                        <% alternate_button_text = {_("View resource in a new window")} %>
+                        ${button_text or alternate_button_text} <i class="icon fa fa-external-link"></i>
                     </button>
                 % endif
             </p>
@@ -74,12 +77,12 @@
     % endif
 % elif not hide_launch:
     <h3 class="error_message">
-        Please provide launch_url. Click "Edit", and fill in the required fields.
+        {_("Please provide launch_url. Click 'Edit', and fill in the required fields.")}
     </h3>
 % endif
 
 % if has_score and comment:
-    <h4 class="problem-feedback-label">Feedback on your work from the grader:</h4>
+    <h4 class="problem-feedback-label">{_("Feedback on your work from the grader:")}</h4>
     <div class="problem-feedback">
         ## sanitized with bleach in view
         ${comment}