Duplicate response messages are displayed.

Duplicate response messages are displayed.
When I submit the default form below, response message appears above and below.

html
<label> 氏名
    [text* your-name] </label>

<label> メールアドレス
    [email* your-email] </label>

<label> 題名
    [text* your-subject] </label>

<label> メッセージ本文 (任意)
    [textarea your-message] </label>

[submit "送信"]

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