svenfuchs/rails-i18n — pull request #178 by nerf (2012-01-03 14:56:36+00:00)
Title: fix negative values for 'number_to_currency'

correct form for negative bulgarian currency values is "-%n %u" (example "-20.20 лв.")

Reference: http://download.microsoft.com/download/a/2/9/a29902cc-41c0-4ceb-a6ed-ba16bc511e15/bul-bgr-StyleGuide.pdf