|  | @@ -1,6 +1,7 @@
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				|  |  |  <!DOCTYPE html>
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				|  |  |  <html>
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				|  |  |    <head>
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				|  |  | +    <meta charset="utf-8" />
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				|  |  |      <title>Typing Freaks Editor</title>
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				|  |  |      <link rel="stylesheet" href="editor.css" />
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				|  |  |    </head>
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				|  | @@ -63,7 +64,11 @@
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				|  |  |        />
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				|  |  |        <button class="play-section">Play</button>
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				|  |  |        <button class="remove-section">Remove</button>
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				|  |  | -      <input class="kana" autocomplete="off" />
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				|  |  | +      <input
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				|  |  | +        class="kana"
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				|  |  | +        pattern="[a-zA-Zぁ-んァ-ンー\s]*"
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				|  |  | +        autocomplete="off"
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				|  |  | +      />
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				|  |  |        <input class="kanji" autocomplete="off" />
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				|  |  |      </template>
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				|  |  |      <template id="level-set-template">
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