Ruby on Rails:如何使用link_to添加"aria-hidden ='true'"

Low*_*der 3 ruby-on-rails css3 ruby-on-rails-4

我怎么能用rails语法写这个呢?

<a href="/" class="glyphicon glyphicon-fire logo" aria-hidden="true" ></a>
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可能它是这样的:

<%= link_to '', root_path, class: 'glyphicon glyphicon-fire logo', **???** %>
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Phi*_*rom 7

<%= link_to '', root_path, ...., 'aria-hidden' => true %>
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要么

<%= link_to '', root_path, ...., aria: {hidden: true} %>
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