lib/nitro/mixin/markup.rb in nitro-0.23.0 vs lib/nitro/mixin/markup.rb in nitro-0.24.0

@@ -83,9 +83,10 @@
   
   def clear(str)
   end  
   
   def escape(str)
+    return nil unless str
     CGI.escape(str.gsub(/ /, '_'))
   end
 
   def unescape(str)
     CGI.unescape(str.gsub(/_/, ' '))