TYPO3 CKEditor: Disallow justify plugin for certain elements

README.md

Unmodified source of 'justify' plugin: https://github.com/ckeditor/ckeditor4/blob/master/plugins/justify/plugin.js

https://ckeditor.com/docs/ckeditor4/latest/guide/dev_disallowed_content.html

Due to a bug not possible for <p> tags ;-( See ckeditor/ckeditor4#3647 (comment)

Default.yaml

editor:
  config:
    disallowedContent: {
      'h3 h4 h5': {
        classes: 'ce-align-left,ce-align-right,ce-align-center'
      }
    }