• Legacy EnlighterJS code cannot be transformed to blocks by the "Transform to Blocks" utility of the classic editor.
  Caused By: gutenberg/8648
• Newly created codeblocks (via Gutenberg) mess up the HTML with unused attributes because of a validation issue.
  Caused By: gutenberg/8532 / gutenberg/7604

As integral part of the Enlighter WordPress Plugin (future)

1. Create the plugin directory wp-content/plugins/enlighter-gutenberg
2. Copy enlighter-gutenberg.php and dist/ into this directory
3. Activate the plugin

Required Directory Structure

wp-content/
   | - plugins/
   |      | -enlighter-gutenberg/
   |      |       |- enlighter-gutenberg.php
   |      |       |- dist/
   |      |       |      |- enlighterjs.gutenberg.min.css 
   |      |       |      |- enlighterjs.gutenberg.min.js

EnlighterJS.Gutenberg is OpenSource and licensed under the Terms of Mozilla Public License 2.0. You're welcome to contribute