lib/citeproc/abbreviate.rb in citeproc-1.0.0 vs lib/citeproc/abbreviate.rb in citeproc-1.0.1

@@ -22,10 +22,14 @@
 		def abbreviate(*arguments)
 			raise ArgumentError, "wrong number of arguments (#{arguments.length} for 2..3)" unless
         (2..3).include?(arguments.length)
 
 			arguments.unshift(namespace || :default) if arguments.length < 3
-			@abbreviations.deep_fetch(*arguments)
+
+      arguments[0] = arguments[0].to_sym
+      arguments[1] = arguments[1].to_sym
+
+			abbreviations.deep_fetch(*arguments)
 		end
 		alias abbrev abbreviate
 
 	end
 end