fixed non standard OSX behavior with variants

bower.json

@@ -1,7 +1,7 @@
 {
   "name": "twemoji",
   "description": "A Unicode standard based way to implement emoji across all platforms.",
-  "version": "v1.1.2",
+  "version": "v1.2.0",
   "main": "./twemoji.amd.js",
   "ignore": [
     ".git",

package.json

@@ -1,5 +1,5 @@
 {
-  "version": "1.1.2",
+  "version": "1.2.0",
   "name": "twemoji",
   "license": ["MIT", "CC-BY-4.0"],
   "description": "A Unicode standard based way to implement emoji across all platforms.",

test.js

@@ -339,4 +339,26 @@ wru.test([{
       )
     );
   }
+},{
+  name: 'non standard OSX variant',
+  test: function () {
+    var div = document.createElement('div');
+    div.innerHTML = '5\ufe0f\u20e3';
+    twemoji.parse(div);
+    wru.assert('recognized as graphical',
+      div.innerHTML === '<img class="emoji" draggable="false" alt="5️⃣" src="http://twemoji.maxcdn.com/36x36/35-20e3.png">');
+    wru.assert('the length is preserved',
+      div.getElementsByTagName('img')[0].alt.length === 3);
+  }
+},{
+  name: 'same but standard OSX without variant',
+  test: function () {
+    var div = document.createElement('div');
+    div.innerHTML = '5\u20e3';
+    twemoji.parse(div);
+    wru.assert('recognized as graphical',
+      div.innerHTML === '<img class="emoji" draggable="false" alt="5⃣" src="http://twemoji.maxcdn.com/36x36/35-20e3.png">');
+    wru.assert('the length is preserved',
+      div.getElementsByTagName('img')[0].alt.length === 2);
+  }
 }]);

twemoji-generator.js

@@ -578,7 +578,9 @@ function createTwemoji(re) {
           variant === '\uFE0F' ?
             // the icon should not contain it
             icon.slice(0, -1) :
-            icon
+            // fix non standard OSX behavior
+            (icon.length === 3 && icon.charAt(1) === '\uFE0F' ?
+              icon.charAt(0) + icon.charAt(2) : icon)
         );
       }
 
@@ -793,6 +795,7 @@ function createTwemoji(re) {
       .replace(/^    /gm, '')
       // add the RegExp in the right place
       .replace('re = /twemoji/', 're = /' + re + '/g')
+      .replace(/(\\u003[3-9])(\\u20e3)/g, '$1\\ufe0f?$2')
       // add the full license
       .replace('/*! (C) Twitter Inc. */',
         '/*! (C) Twitter Inc. *//*\n' +