merges r21739 from trunk into ruby_1_9_1.

* lib/cgi/core.rb (CGI.parse): generate only key on params hash
  if request have only key uri parameters.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_9_1@21825 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/cgi/core.rb b/lib/cgi/core.rb
index 779f326a1..95cf423d8 100644
--- a/lib/cgi/core.rb
+++ b/lib/cgi/core.rb
@@ -339,6 +339,8 @@ class CGI
       key, value = pairs.split('=',2).collect{|v| CGI::unescape(v) }
       if key && value
         params.has_key?(key) ? params[key].push(value) : params[key] = [value]
+      elsif key
+        params[key]=[]
       end
     end
     params.default=[].freeze