[Bug #1534] Inconsistency Between Struct#to_s and Struct#inspect

Bug #1534: Inconsistency Between Struct#to_s and Struct#inspect
http://redmine.ruby-lang.org/issues/show/1534

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ruby -v: ruby 1.9.2dev (2009-05-28 trunk 23601) [i386-darwin9.7.0]

http://redmine.ruby-lang.org/issues/show/1427
http://redmine.ruby-lang.org/issues/show/1533
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# ruby 1.9.2dev (2009-05-28 trunk 23601) [i386-darwin9.7.0]
t = Struct.new('A', :a).new(nil)
t.a = t
puts t.to_s
#=> <struct Struct::A a=#<struct Struct::A a=#<struct 

Struct::a:…>>>
puts t.inspect
#=> <struct Struct::A a=#>

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e$B%A%1%C%He(B #1534 e$B$,99?7$5$l$^$7$?!#e(B (by Nobuyoshi N.)

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Applied in changeset r23606.

http://redmine.ruby-lang.org/issues/show/1534