Bukkit/Bukkit — pull request #386 by Zren (2011-10-18 17:44:28+00:00)
Title: Make yamlOptions public so people can change DumperOptions. Use Case: Dum

Make yamlOptions public so people can change DumperOptions. Use Case: DumperOptions.setWidth().

Why, oh why, did you guys think hiding everything behind a lame 'configoptions' class would cut it. >.<
http://leaky.bukkit.org/issues/1627

Option B:
Add a setLineWidth to your lame configoptions class, and call it on serialization.