remove noncompliant self closing a tag on env_note
remove noncompliant self closing a tag on env_note

josevalim/rails-footnotes,jasnow/rails-footnotes,jasnow/rails-footnotes,oakbow/rails-footnotes,josevalim/rails-footnotes,jasnow/rails-footnotes,SciMed/rails-footnotes,kbrock/rails-footnotes,josevalim/rails-footnotes,oakbow/rails-footnotes