Verify the course sections are identical before and after the fix. (Note that the closing div is not removed, because it was closing the course-section-header)
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Add some content to a section
Verify the course sections are identical before and after the fix. (Note that the closing div is not removed, because it was closing the course-section-header)
During MDL-80248 CiBot complaint the file course/format/templates/local/content/section/content.mustache has an extra div close tag.
It looks like a small copy-paste mistake from MDL-73679.