Index: /trunk/lib/http-access2.rb
===================================================================
--- /trunk/lib/http-access2.rb (revision 127)
+++ /trunk/lib/http-access2.rb (revision 128)
@@ -109,4 +109,5 @@
   def initialize(proxy = nil, agent_name = nil, from = nil)
     @proxy = nil        # assigned later.
+    @proxy_auth = nil
     @no_proxy = nil
     @agent_name = agent_name
@@ -184,4 +185,5 @@
         raise ArgumentError.new("unsupported proxy `#{proxy}'")
       end
+      @proxy_auth = [@proxy.user, @proxy.password]
     end
     reset_all
@@ -396,4 +398,8 @@
     if extheader.is_a?(Hash)
       extheader = extheader.to_a
+    end
+    if @proxy_auth
+      proxy_cred = ["#{@proxy_auth[0]}:#{@proxy_auth[1]}"].pack('m').strip
+      extheader << ['Proxy-Authorization', "Basic " << proxy_cred]
     end
     cred = @basic_auth.get(uri)