filters not applied to assignment name in advanced grading interface

Login as an admin Navigate to " Site administration / Language / Language packs " From the list of " Available language packs ", install the "{{Español - Internacional ‎(es)‎‎}}" language pack. Navigate to " Site administration / Plugins / Filters / Manage filters " Turn on " Multi-Language Content " and make sure it applies to both " Content and heading ". Create a course. Add an assignment activity to your course. Set it's name to My assign <span class="multilang" lang="en">EN</span><span class="multilang" lang="es">ES</span> After filling out the required fields, click " Save and display " On the assingment's page, click on the cog menu and slect " Advanced grading " Check the heading. Confirm that the assignment's name is being displayed in the header as " My assign EN " and not " My assign ENES " Switch your site's language selecting "{{Español - Internacional ‎(es)‎‎}}" from the banner at the top of the site. (or by adding " &lang=es " at the end of the URL) Check the heading. Confirm that the assignment's name is being displayed in the header as " My assign ES " and not " My assign ENES "