EPUB3 metadata converted from DAISY2.02

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We converted DAISY2.02 book into EPUB3 by Pipeline2. Then we received feedback from playback software company.
Currently, meta data converted by Pipeline2 is as following "Current". Is it possible to change to "Suggestion" way ?

"Current"
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<metadata>
<dc:title xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:d="http://www.daisy.org/ns/pipeline/data" id="title">三匹の子ぶた</dc:title>
<dc:identifier xmlns:dc="http://purl.org/dc/elements/1.1/" id="pub-id">jsrpd-pigs-j</dc:identifier>
<dc:language xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:d="http://www.daisy.org/ns/pipeline/data">ja</dc:language>
<dc:date xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:d="http://www.daisy.org/ns/pipeline/data" id="date">2005-04-07</dc:date>
<dc:format xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:d="http://www.daisy.org/ns/pipeline/data">EPUB3</dc:format>

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"Suggestion"
ーー
<metadata xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:d="http://www.daisy.org/ns/pipeline/data">
<dc:title id="title">三匹の子ぶた</dc:title>
<dc:identifier id="pub-id">jsrpd-pigs-j</dc:identifier>
<dc:language >ja</dc:language>
<dc:date id="date">2005-04-07</dc:date>
<dc:format>EPUB3</dc:format>
--

Mayu