var src, ready, ii, tests;

	/*

	 * Create a canvas element for testing native browser support

	 * of emoji.

	 */

	var canvas = document.createElement( 'canvas' );

	var context = canvas.getContext && canvas.getContext( '2d' );

	/**

	 * Check if two sets of Emoji characters render the same.

	 *

	 * @param set1 array Set of Emoji characters.

	 * @param set2 array Set of Emoji characters.

	 * @returns {boolean} True if the two sets render the same.

	 */

	function emojiSetsRenderIdentically( set1, set2 ) {

		var stringFromCharCode = String.fromCharCode;

		// Cleanup from previous test.

		context.clearRect( 0, 0, canvas.width, canvas.height );

		context.fillText( stringFromCharCode.apply( this, set1 ), 0, 0 );

		var rendered1 = canvas.toDataURL();

		// Cleanup from previous test.

		context.clearRect( 0, 0, canvas.width, canvas.height );

		context.fillText( stringFromCharCode.apply( this, set2 ), 0, 0 );

		var rendered2 = canvas.toDataURL();

		return rendered1 === rendered2;

	}

	 * @param type {String} Whether to test for support of "flag" or "emoji".

		var isIdentical;

		switch ( type ) {

			case 'flag':

				/*

				 * Test for UN flag compatibility. This is the least supported of the letter locale flags,

				 * so gives us an easy test for full support.

				 *

				 * To test for support, we try to render it, and compare the rendering to how it would look if

				 * the browser doesn't render it correctly ([U] + [N]).

				 */

				isIdentical = emojiSetsRenderIdentically(

					[ 55356, 56826, 55356, 56819 ],

					[ 55356, 56826, 8203, 55356, 56819 ]

				);

				if ( isIdentical ) {

					return false;

				}

				/*

				 * Test for English flag compatibility. England is a country in the United Kingdom, it

				 * does not have a two letter locale code but rather an five letter sub-division code.

				 *

				 * To test for support, we try to render it, and compare the rendering to how it would look if

				 * the browser doesn't render it correctly (black flag emoji + [G] + [B] + [E] + [N] + [G]).

				 */

				isIdentical = emojiSetsRenderIdentically(

					[ 55356, 57332, 56128, 56423, 56128, 56418, 56128, 56421, 56128, 56430, 56128, 56423, 56128, 56447 ],

					[ 55356, 57332, 8203, 56128, 56423, 8203, 56128, 56418, 8203, 56128, 56421, 8203, 56128, 56430, 8203, 56128, 56423, 8203, 56128, 56447 ]

				);

				return ! isIdentical;

			case 'emoji':

				/*

				 * She's the hero Emoji deserves, but not the one it needs right now.

				 *

				 * To test for support, try to render a new emoji (female superhero),

				 * then compare it to how it would look if the browser doesn't render it correctly

				 * (superhero + female sign).

				 */

				isIdentical = emojiSetsRenderIdentically(

					[55358, 56760, 9792, 65039],

					[55358, 56760, 8203, 9792, 65039]

				);

				return ! isIdentical;

		return false;

		script.defer = script.type = 'text/javascript';

	tests = Array( 'flag', 'emoji' );

		everything: true,

		everythingExceptFlag: true

	for( ii = 0; ii < tests.length; ii++ ) {

		settings.supports[ tests[ ii ] ] = browserSupportsEmoji( tests[ ii ] );

		settings.supports.everything = settings.supports.everything && settings.supports[ tests[ ii ] ];

		if ( 'flag' !== tests[ ii ] ) {

			settings.supports.everythingExceptFlag = settings.supports.everythingExceptFlag && settings.supports[ tests[ ii ] ];

		}

	}

	settings.supports.everythingExceptFlag = settings.supports.everythingExceptFlag && ! settings.supports.flag;

	if ( ! settings.supports.everything ) {