Comment:
<?_c This shouldn't show up _c?>

Comment full:
<?_comment This shouldn't show up _comment?>

Embedded:
<?_c This shouldn't show up: <?_code  something _code?> _c?>

Embedded full:
<?_comment This shouldn't show up: <?_code  something _code?> _comment?>

Multiline:
<?_c

	This shouldn't show up: <?_code  something _code?>

_c?>