<%= simple_form_for content_item, url: project_content_item_path(content_item.project, content_item), remote: true do |f| %>
  <%= token_tag %>
  <%= link_to content_item.title, content_item.url, target: '_blank' %>
  <%= f.input :taxons,
    placeholder: 'Choose one...',
    label: false,
    input_html: { class: [:select2, :tagging_project] } %>
<% end %>

<%= simple_form_for content_item, url: project_content_item_path(content_item.project, content_item), remote: true do |f| %>
  <%= token_tag %>
  <%= link_to content_item.title, content_item.url, target: '_blank' %>
  <%= f.input :taxons,
    placeholder: 'Choose one...',
    label: false,
    input_html: { class: [:select2, :tagging_project], autocomplete: 'off' } %>
<% end %>

Set inputs to autocomplete: off
Set inputs to autocomplete: off

In the project based tagging interface. As a custom autocomplete
implementation is used, stop the browser from getting involved.

Also, in Firefox, if autocomplete is enabled, Firefox will remember
input values across page refreshes, which for this page can be quite
confusing.
