long.rb in getopt-1.4.1

- old
+ new

@@ -15,11 +15,11 @@
 
       # Error raised if an illegal option or argument is passed
       class Error < StandardError; end
 
       # The version of the getopt library
-      VERSION = '1.4.0'
+      VERSION = '1.4.1'
 
       # Takes an array of switches. Each array consists of up to three
       # elements that indicate the name and type of switch. Returns a hash
       # containing each switch name, minus the '-', as a key. The value
       # for each key depends on the type of switch and/or the value provided
@@ -213,20 +213,20 @@
          # for --test, and the user passes "--test", then set "-t" to the same
          # value that "--test" was set to.
          #
          # This allows users to refer to the long or short switch and get
          # the same value
-         hash.each{ |switch, val|
+         hash.dup.each{ |switch, val|
             if syns.keys.include?(switch)
                syns[switch] = [syns[switch]] if RUBY_VERSION.to_f >= 1.9
                syns[switch].each{ |key|
                   hash[key] = val   
                }
             end
          }
 
          # Get rid of leading "--" and "-" to make it easier to reference
-         hash.each{ |key, value|
+         hash.dup.each{ |key, value|
             if key =~ /^-/
                if key[0,2] == '--'
                   nkey = key.sub('--', '')
                else
                   nkey = key.sub('-', '')