* lib/date.rb: zone_to_diff in this version is just class method.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@31965 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

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+Thu Jun  9 20:30:00 2011  Tadayoshi Funaba  <tadf@dotrb.org>
+
+	* lib/date.rb: zone_to_diff in this version is just class method.
+
 Thu Jun  9 19:43:57 2011  Tadayoshi Funaba  <tadf@dotrb.org>
 
 	* lib/date.rb (time_to_day_fraction): accepts flonum without Float#to_r.