Pressing enter at the end of a paragraph/section doesn't create a new line

To reproduce create a page with the following content:

Entrez dans le monde des devops avec Vagrant, Veewee, Puppet, Geppetto : http://blog.aheritier.net/setup-your-devops-playground-with-puppet-vagrant-co/



== JUG ==

Edit and move cursor at the end of the URL. Press Enter.

The cursor will move the next header but will not create a new line (on Chrome/Mac OSX)