* parse.y (arg_ambiguous): hopefully better message.

* lib/cgi.rb (CGI::QueryExtension::initialize_query): to_ary


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@3711 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 11 insertions, 13 deletions

diff --git a/lib/cgi.rb b/lib/cgi.rb
index 2e18bfd20..7dffdd9a3 100644
--- a/lib/cgi.rb
+++ b/lib/cgi.rb
@@ -941,27 +941,23 @@ convert string charset, and set language to "ja".
     end
     private :initialize_query
 
-    def [](key)
-      value, = @params[key]
-      unless value.nil?
-	value = value.dup
-	def value.to_ary
-	  [self]
-	end
-	def value.[](key)
+    class Value < String
+      def [](key)
 	  $stderr.puts <<END
 CAUTION! cgi['key'] == cgi.params['key'][0] If want Array, use cgi.params['key']
 END
 	  self
-	end
-	def value.first
+      end
+      def first
 	  $stderr.puts <<END
 CAUTION! cgi['key'] == cgi.params['key'][0] If want Array, use cgi.params['key']
 END
 	  self
-	end
       end
-      value
+    end
+
+    def [](key)
+      Value.new(@params[key][0])
     end
 
     def keys(*args)
diff --git a/lib/rational.rb b/lib/rational.rb
index e63e8c481..0c784fb94 100644
--- a/lib/rational.rb
+++ b/lib/rational.rb
@@ -67,7 +67,9 @@ class Rational < Numeric
   def Rational.new!(num, den = 1)
     new(num, den)
   end
-  
+
+  private_class_method :new
+
   def initialize(num, den)
     if den < 0
       num = -num