Sass 3.3 deprecation warning trigger

deprecation-warning-trigger

//************************************************************************//
// Generate a variable ($all-text-inputs) with a list of all html5
// input types that have a text-based input, excluding textarea.
// http://diveintohtml5.org/forms.html
//************************************************************************//
$inputs-list: 'input[type="email"]',
              'input[type="number"]',
              'input[type="password"]',
              'input[type="search"]',
              'input[type="tel"]',
              'input[type="text"]',
              'input[type="url"]',

              // Webkit & Gecko may change the display of these in the future
              'input[type="color"]',
              'input[type="date"]',
              'input[type="datetime"]',
              'input[type="datetime-local"]',
              'input[type="month"]',
              'input[type="time"]',
              'input[type="week"]';

$unquoted-inputs-list: ();
@each $input-type in $inputs-list {
  $unquoted-inputs-list: append($unquoted-inputs-list, unquote($input-type), comma);
}

$all-text-inputs: $unquoted-inputs-list;


// Hover Pseudo-class
//************************************************************************//
$all-text-inputs-hover: ();
@each $input-type in $unquoted-inputs-list {
      $input-type-hover: $input-type + ":hover";
      $all-text-inputs-hover: append($all-text-inputs-hover, $input-type-hover, comma);
}

// Focus Pseudo-class
//************************************************************************//
$all-text-inputs-focus: ();
@each $input-type in $unquoted-inputs-list {
      $input-type-focus: $input-type + ":focus";
      $all-text-inputs-focus: append($all-text-inputs-focus, $input-type-focus, comma);
}