use trim
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@ -8,7 +8,7 @@ class CustomPrismjs extends Shortcode
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public function init()
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{
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$this->shortcode->getHandlers()->add('rootsh', function(ShortcodeInterface $sc) {
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$content = rtrim(ltrim($sc->getContent()));
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$content = trim($sc->getContent(), "\n ");
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return '<pre class="command-line language-sh" data-prompt="#" data-continuation-str="\" tabindex="0"><code class="language-sh">'.$content.'</code></pre>';
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});
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}
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