this version contains new feature that warn invalid SPDX license identifiers. https://github.com/rubygems/rubygems/pull/1249 and #1032, #1023, #1332, #1328, #1306, #1321, #1324 * test/rubygems: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51801 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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