{{#if is_editable}}
<i class="fa fa-pencil edit_content_button" role="button" tabindex="0" aria-label="{{t "Edit" }} (e)" title="{{t "Edit" }} (e)"></i>
{{else}}
<i class="fa fa-file-code-o edit_content_button" role="button" tabindex="0" aria-label="{{t "View source" }} (e)" title="{{t "View source" }} (e)" data-message-id="{{msg_id}}"></i>
{{/if}}