X-Git-Url: http://nitlanguage.org

diff --git a/lib/opts.nit b/lib/opts.nit
index 59391cd..f668ba3 100644
--- a/lib/opts.nit
+++ b/lib/opts.nit
@@ -11,8 +11,11 @@
 # You  are  allowed  to  redistribute it and sell it, alone or is a part of
 # another product.
 
+# Management of options on the command line
+module opts
+
 # Super class of all option's class
-class Option
+abstract class Option
 	# Names for the option (including long and short ones)
 	readable var _names: Array[String]
 
@@ -106,7 +109,7 @@ class OptionCount
 end
 
 # Option with one mandatory parameter
-class OptionParameter
+abstract class OptionParameter
 	super Option
 	protected fun convert(str: String): VALUE is abstract