app/views/orgs/rosters/_edit_roster_entry_modal.html.erb
<div class="remodal text-left" data-remodal-id="edit-roster-student-<%= roster_entry.id %>">
<button data-remodal-action="close" class="remodal-close"><%= octicon 'x' %></button>
<h2 class="remodal-header text-left">Edit <%= roster_entry.identifier %></h2>
<%= form_tag({ controller: :rosters, action: :edit_entry }, method: :patch) do %>
<%= hidden_field_tag 'roster_entry_id', roster_entry.id %>
<%= hidden_field_tag 'roster_entries_page', roster_entries_page %>
<%= text_field_tag 'roster_entry_identifier', roster_entry.identifier, class: 'input-block form-control', autofocus: true, autocomplete: :off %>
<%= submit_tag 'Edit roster entry', class: 'btn btn-primary my-3 js-submit' %>
<% end %>
</div>