gistfile1.txt

            = semantic_form_for [current_user, ew.exercise], :url => user_exercise_log_entries_path(current_user, ew.exercise) do |exercise|
              %table
                %thead
                  %tr
                    %th.set Set #
                    %th.reps Reps
                    %th.weight Weight
                %tbody
                  = exercise.semantic_fields_for :log_entries do |log_entry|
                    = render 'log_entry_fields', :f => log_entry
              .links
                = link_to_add_association 'Add Set', exercise, :log_entries
              = exercise.actions do
                = exercise.action :submit