Some of the revisions I've made were in Ruby 2.7.0. The rest are now in Ruby 2.7.2.
2.6.3 (before revisions): https://ruby-doc.org/core-2.6.3/ENV.html
2.7.2 (with all revisions): https://ruby-doc.org/core-2.7.2/ENV.html
Ruby 2.7.2 has revised Rdoc for ENV
Burdette Lamar - Oct 13 '20 - 
