--TEST--
Ensure that quoted strings are left unchanged.
--CSS--
a:after {
	content: "This is a typical string with words, commas, and a period.";
}

b:after {
	content: "This string has CSS-like content: foo { color: rgb(0, 0, 0); }.";
}

c:after {
	content: 'This string uses single quotes, not double (").';
}
--EXPECT--
array (
  'a:after' => 
  array (
    'content' => '"This is a typical string with words, commas, and a period."',
  ),
  'b:after' => 
  array (
    'content' => '"This string has CSS-like content: foo { color: rgb(0, 0, 0); }."',
  ),
  'c:after' => 
  array (
    'content' => '\'This string uses single quotes, not double (").\'',
  ),
)