lib/origami/name.rb in origami-1.2.2 vs lib/origami/name.rb in origami-1.2.3

@@ -126,10 +126,12 @@
     end
     
     def self.contract(name) #:nodoc:
      
       i = 0
+      name = name.dup
+
       while i < name.length
 
         if name[i,1] == "#"
           digits = name[i+1, 2]
           
@@ -154,14 +156,12 @@
     
     def self.expand(name) #:nodoc:
       
       forbiddenchars = /[ #\t\r\n\0\[\]<>()%\/]/
       
-      name.gsub!(forbiddenchars) do |c|
+      name.gsub(forbiddenchars) do |c|
         "#" + c[0].ord.to_s(16).rjust(2,"0")
       end
-      
-      name
     end
     
     def real_type ; Name end
 
   end