prettier/plugin-php is not format code in php (<?) short open tag , work with only (<?php)

Hi

prettier/plugin-php is not format code in php (<?) short open tag , work with only (<?php)

Prettier 6.3.1
PHP Plugin 0.16.2

Input:

<?
			 echo 1;

		echo 300;

	function a($a )
  {
				echo 100;

				echo 800;
	}

?>

Save Output:

<?
			 echo 1;

		echo 300;

	function a($a )
  {
				echo 100;

				echo 800;
	}

?>

Input:

<?php
			 echo 1;

		echo 300;

	function a($a )
  {
				echo 100;

				echo 800;
	}

?>

Save Output , Work with <?php :

<?php
echo 1;
echo 300;

function a($a)
{
  echo 100;

  echo 800;
}
?>

Debug options
{
"filepath": "includes\get-approve-email.php",
"parser": "php",
"semi": false,
"arrowParens": "always",
"singleQuote": true,
"printWidth": 800,
"tabWidth": 3,
"separatorWidth": 800,
"trailingCommaPHP": false,
"braceStyle": "psr-2",
"requirePragma": false,
"insertPragma": false
}
Thanks.

Reproduce the issue with includes\get-approve-email.php using the PHP parser and the debug options provided. Compare formatting for <? and <?php inputs; done when the short-open-tag example is formatted rather than left unchanged.