commit fae921649228e3679d1ca173e019bb51da0eced6
Author: Yossef Mendelssohn <ymendel@pobox.com>
Date:   Thu Apr 16 02:01:25 2009 -0500

    Tweaking version to make trailing zeroes significant.
    
    1.0.0 > 1.0 ftw

diff --git a/lib/rubygems/version.rb b/lib/rubygems/version.rb
index d996538..cc748a3 100644
--- a/lib/rubygems/version.rb
+++ b/lib/rubygems/version.rb
@@ -129,10 +129,7 @@ class Gem::Version
 
   def normalize
     parts_arr = parse_parts_from_version_string
-    if parts_arr.length != 1
-      parts_arr.pop while parts_arr.last && parts_arr.last.value == 0
-      parts_arr = [Part.new(0)] if parts_arr.empty?
-    end
+    parts_arr = [Part.new(0)] if parts_arr.empty?
     parts_arr
   end
 
@@ -172,14 +169,16 @@ class Gem::Version
   def <=>(other)
     return nil unless self.class === other
     return 1 unless other
-    mine, theirs = balance(self.parts.dup, other.parts.dup)
+    mine, theirs = balance(self, other)
     mine <=> theirs
   end
 
   def balance(a, b)
-    a << Part.new(0) while a.size < b.size
-    b << Part.new(0) while b.size < a.size
-    [a, b]
+    a_parts = a.parts.dup
+    b_parts = b.parts.dup
+    a_parts << Part.new(0) while a_parts.size < b_parts.size and b.prerelease?
+    b_parts << Part.new(0) while b_parts.size < a_parts.size and a.prerelease?
+    [a_parts, b_parts]
   end
 
   ##