The new version of the rails-html-sanitizer (used by simple_format) strips by default all attributes. We want rel='nofollow' and target='_blank' here and the text has just been sanitized in text_with_links.
The new version of the rails-html-sanitizer (used by simple_format) strips by default all attributes. We want rel='nofollow' and target='_blank' here and the text has just been sanitized in text_with_links.