filter gutenberg
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aligncenter
吾輩はここで始めて人間というものを見た。しかもあとで聞くとそれは書生という人間中で一番獰悪どうあくな種族であっ…
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button
Lorem ipsum dolor sit amet, consectetur adipiscing elit…
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Welcome to the Gutenberg Editor
The goal of this new editor is to make adding rich cont…
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add embed css
test
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div child p
test test test test test test test test
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del element
The XMP element contains preformatted text in which mar…