@bender-ui: collapsed
@bender-tags: 4.15.0, 3795, bug, htmlwriter
@bender-ckeditor-plugins: toolbar,wysiwygarea,sourcearea,htmlwriter,list

Switch editor into source mode using "Source" button.

### Expected

List items `<li>` shouldn't be indented.

### Unexpected

List items `<li>` are indented.
