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I have this form_for: <%= form_for [post, Comment.new,], :remote => true do |f| %> <%= f.text_area :content, :cols =>10, :rows => 1%> <% end %> <%= f.submit :class => "input_comment" %> That generate the next code html: <form method="post" id="new_comment" data-remote="true" class="new_comment" action="/post/4efcda9e1d41c82486000077/comments" accept-charset="UTF-8"><div style="margin:0;padding:0;display:inline"><input type="hidden" value="✓" name="utf8"> <input type="hidden" value="ctVfDF/O4FIR91I7bC5MVezQmutOCkX3dcXe73uNPZY=" name="authenticity_token"> <textarea rows="1" name="comment[content]" id="comment_content" cols="10"></textarea> <input type="submit" value="Create Comment" name="commit" class="input_comment"> </form> If I have many forms in a same page is not a html valid with the same id. The id for form_for generate id="new_comment" The id for textarea generate id="comment_content" With so many forms in a same page is not valid html. How can I change the id autogenerate by form_for method helper from rails 3.1?

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