aucor/jekyll-plugins — pull request #2 by camjc (2013-09-20 07:30:55+00:00)
Title: Preventing the last word in a paragraph from being hyphenated.

I can't think of a situation where someone would want an orphan word fragment so this checks whether the word is the last in the paragraph.
Also included a note that in English the character code isn't just 'en'