Drupal 8 User Guide: 6.16. Configuring Text Formats and Editors

Goal: Add a horizontal rule tag to the Basic HTML text format, and a corresponding button to its editor configuration.

See the written version of this tutorial for links to prerequisites and related tutorials.

This work is a derivative of “Drupal 8 User Guide: 6.16. Configuring Text Formats and Editors” written and edited by members of the Drupal open-source community and is licensed under the CC BY-SA 2.0 license by Drupalize.Me.