lib/sup/person.rb in sup-0.16.0 vs lib/sup/person.rb in sup-0.17.0

@@ -117,10 +117,10 @@
     from_name_and_email name, email
   end
 
   def self.from_address_list ss
     return [] if ss.nil?
-    ss.split_on_commas.map { |s| self.from_address s }
+    ss.dup.split_on_commas.map { |s| self.from_address s }
   end
 
   ## see comments in self.from_address
   def indexable_content
     [name, email, email.split(/@/).first].join(" ")