Remove some empty lines

apps/impress/templates/presentations.php

 <?php
 
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 // show toolbar
 echo('<div id="controls">	
 	<a href="'.\OCP\Util::linkToAbsolute('impress','documentation.php').'" class="button docu">'.$l->t('Documentation').'</a>
 	</div>
 	');
 
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 if(empty($_['list'])) {
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 	echo('<div id="emptyfolder">No Impress files are found in your ownCloud. Please upload a .impress file.</div>');
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 } else {
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 	echo('<table class="impresslist" >');
 	foreach($_['list'] as $entry) {
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 		echo('<tr><td width="1"><a target="_blank" href="'.\OCP\Util::linkToAbsolute('impress','player.php').'&file='.urlencode($entry['url']).'&name='.urlencode($entry['name']).'"><img align="left" src="'.\OCP\Util::linkToAbsolute('impress','img/impressbig.png').'"></a></td><td><a target="_blank" href="'.\OCP\Util::linkToAbsolute('impress','player.php').'&file='.urlencode($entry['url']).'&name='.urlencode($entry['name']).'">'.$entry['name'].'</a></td><td>'.\OCP\Util::formatDate($entry['mtime']).'</td><td>'.\OCP\Util::humanFileSize($entry['size']).'</td></tr>');
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 	}
 	echo('</table>');
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 }
\ No newline at end of file
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