Fix anchor text not translated in ie8

Related #49 that is caused by
angular/angular.js/#1949 / angular/angular.js/#2013

Author: maxpeterson

dist/angular-gettext.js

@@ -101,7 +101,7 @@ angular.module('gettext').factory('gettextCatalog', ["gettextPlurals", "$http",
     return catalog;
 }]);
 
-angular.module('gettext').directive('translate', ["gettextCatalog", "$parse", "$animate", "$compile", function (gettextCatalog, $parse, $animate, $compile) {
+angular.module('gettext').directive('translate', ["gettextCatalog", "$parse", "$animate", "$compile", "$window", function (gettextCatalog, $parse, $animate, $compile, $window) {
     // Trim polyfill for old browsers (instead of jQuery)
     // Based on AngularJS-v1.2.2 (angular.js#620)
     var trim = (function () {
@@ -121,6 +121,8 @@ angular.module('gettext').directive('translate', ["gettextCatalog", "$parse", "$
         }
     }
 
+    var msie = parseInt((/msie (\d+)/.exec(angular.lowercase($window.navigator.userAgent)) || [])[1], 10);
+
     return {
         restrict: 'A',
         terminal: true,
@@ -132,6 +134,14 @@ angular.module('gettext').directive('translate', ["gettextCatalog", "$parse", "$
             var msgid = trim(element.html());
             var translatePlural = attrs.translatePlural;
 
+            if (msie <= 8) {
+                // Workaround fix relating to angular adding a comment node to
+                // anchors. angular/angular.js/#1949 / angular/angular.js/#2013
+                if (msgid.slice(-13) === '<!--IE fix-->') {
+                    msgid = msgid.slice(0, -13);
+                }
+            }
+
             return {
                 post: function (scope, element, attrs) {
                     var countFn = $parse(attrs.translateN);

dist/angular-gettext.min.js

@@ -1,4 +1,4 @@
-angular.module('gettext').directive('translate', function (gettextCatalog, $parse, $animate, $compile) {
+angular.module('gettext').directive('translate', function (gettextCatalog, $parse, $animate, $compile, $window) {
     // Trim polyfill for old browsers (instead of jQuery)
     // Based on AngularJS-v1.2.2 (angular.js#620)
     var trim = (function () {
@@ -18,6 +18,8 @@ angular.module('gettext').directive('translate', function (gettextCatalog, $pars
         }
     }
 
+    var msie = parseInt((/msie (\d+)/.exec(angular.lowercase($window.navigator.userAgent)) || [])[1], 10);
+
     return {
         restrict: 'A',
         terminal: true,
@@ -29,6 +31,14 @@ angular.module('gettext').directive('translate', function (gettextCatalog, $pars
             var msgid = trim(element.html());
             var translatePlural = attrs.translatePlural;
 
+            if (msie <= 8) {
+                // Workaround fix relating to angular adding a comment node to
+                // anchors. angular/angular.js/#1949 / angular/angular.js/#2013
+                if (msgid.slice(-13) === '<!--IE fix-->') {
+                    msgid = msgid.slice(0, -13);
+                }
+            }
+
             return {
                 post: function (scope, element, attrs) {
                     var countFn = $parse(attrs.translateN);