Add clarification re. hidden field and give example of include_hidden:
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README.md
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README.md
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@ -262,6 +262,17 @@ the wrapper as well:
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<% end %>
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```
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By default, **Simple Form** generates a hidden field to handle the un-checked case for boolean fields.
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Passing `unchecked_value: false` in the options for boolean fields will cause this hidden field to be omitted,
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following the convention in Rails. You can also specify `include_hidden: false` to skip the hidden field:
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```erb
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<%= simple_form_for @user do |f| %>
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<%= f.input :just_the_checked_case, as: :boolean, include_hidden: false %>
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<%= f.button :submit %>
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<% end %>
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```
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**Simple Form** also allows you to use label, hint, input_field, error and full_error helpers
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(please take a look at the rdocs for each method for more info):
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