Update a11y to 1.2.2 to fix a11y path for earcon.

Author: dpvc

extensions/a11y/accessibility-menu.js

@@ -41,7 +41,7 @@
   if (!PATH.a11y) PATH.a11y = HUB.config.root + "/extensions/a11y";
 
   var Accessibility = EXTENSIONS["accessibility-menu"] = {
-    version: '1.2.1',
+    version: '1.2.2',
     prefix: '', //'Accessibility-',
     default: {},
     modules: [],

extensions/a11y/auto-collapse.js

@@ -33,7 +33,7 @@
   if (!PATH.a11y) PATH.a11y = HUB.config.root + "/extensions/a11y";
 
   var Collapse = MathJax.Extension["auto-collapse"] = {
-    version: "1.2.1",
+    version: "1.2.2",
     config: HUB.CombineConfig("auto-collapse",{
       disabled: false
     }),

extensions/a11y/collapsible.js

@@ -41,7 +41,7 @@
   if (!PATH.a11y) PATH.a11y = HUB.config.root + "/extensions/a11y";
 
   var Collapsible = MathJax.Extension.collapsible = {
-    version: "1.2.1",
+    version: "1.2.2",
     config: HUB.CombineConfig("collapsible",{
       disabled: false
     }),

extensions/a11y/explorer.js

@@ -32,7 +32,7 @@ MathJax.Hub.Register.StartupHook('Sre Ready', function() {
   });
 
   var Assistive = MathJax.Extension.explorer = {
-    version: '1.2.1',
+    version: '1.2.2',
     dependents: [],            // the extensions that depend on this one
     //
     // Default configurations.
@@ -273,16 +273,17 @@ MathJax.Hub.Register.StartupHook('Sre Ready', function() {
   });
   MathJax.Extension.explorer.LiveRegion = LiveRegion;
 
+  var A11Y_PATH = MathJax.Ajax.fileURL(MathJax.Ajax.config.path.a11y);
+  
   var Explorer = MathJax.Extension.explorer.Explorer = {
     liveRegion: LiveRegion(),
     walker: null,
     highlighter: null,
     hoverer: null,
     flamer: null,
     speechDiv: null,
-    earconFile: MathJax.Ajax.config.path.a11y+'/invalid_keypress' +
-        (['Firefox', 'Chrome', 'Opera'].
-        indexOf(MathJax.Hub.Browser.name) !== -1 ?
+    earconFile: A11Y_PATH + '/invalid_keypress' +
+        (['Firefox', 'Chrome', 'Opera'].indexOf(MathJax.Hub.Browser.name) !== -1 ?
         '.ogg' : '.mp3'),
     expanded: false,
     focusoutEvent: MathJax.Hub.Browser.isFirefox ? 'blur' : 'focusout',

extensions/a11y/semantic-enrich.js

@@ -23,7 +23,7 @@
  */
 
 MathJax.Extension["semantic-enrich"] = {
-  version: "1.2.1",
+  version: "1.2.2",
   config: MathJax.Hub.CombineConfig("semantic-enrich",{disabled: false}),
   dependents: [],     // the extensions that depend on this one
   running: false,