kazu 42fbe19fa8 Fix cgi/core code example missing comma
ref https://github.com/rurema/doctree/pull/448
[ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59469 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-08-02 15:10:38 +00:00
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