Inconsistency on allowedProtocols

[parallels999]

Shouldn't it also support allowed_protocols key for consistency?

} elseif ($key === 'allowedProtocols' || $key === 'allowed_protocols') { 
   $this->setAllowedProtocols($value); 
}

dompdf/src/Options.php

Lines 362 to 370 in 9dce241

	} elseif ($key === 'allowedProtocols') {
	$this->setAllowedProtocols($value);
	} elseif ($key === 'logOutputFile' || $key === 'log_output_file') {
	$this->setLogOutputFile($value);
	} elseif ($key === 'defaultMediaType' || $key === 'default_media_type') {
	$this->setDefaultMediaType($value);
	} elseif ($key === 'defaultPaperSize' || $key === 'default_paper_size') {
	$this->setDefaultPaperSize($value);
	} elseif ($key === 'defaultPaperOrientation' || $key === 'default_paper_orientation') {

[bsweeney]

Sure, I think that makes sense.