Update a11y to 1.2.1 to fix SRE path

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: '1.2.0',
+    version: '1.2.1',
     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: "1.2.0",
+    version: "1.2.1",
     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: "1.2.0",
+    version: "1.2.1",
     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: '1.2.0',
+    version: '1.2.1',
     dependents: [],            // the extensions that depend on this one
     //
     // Default configurations.

extensions/a11y/semantic-enrich.js

@@ -23,7 +23,7 @@
  */
 
 MathJax.Extension["semantic-enrich"] = {
-  version: "1.2.0",
+  version: "1.2.1",
   config: MathJax.Hub.CombineConfig("semantic-enrich",{disabled: false}),
   dependents: [],     // the extensions that depend on this one
   running: false,
@@ -99,7 +99,7 @@ MathJax.Extension["semantic-enrich"] = {
   //  Load SRE and use the signal to tell MathJax when it is loaded.
   //  Since SRE waits for the mml element jax, load that too.
   //
-  if (!PATH.SRE) PATH.SRE = PATH.a11y;
+  if (!PATH.SRE) PATH.SRE = MathJax.Ajax.fileURL(PATH.a11y);
   MathJax.Ajax.Load("[SRE]/mathjax-sre.js");
   MathJax.Hub.Register.StartupHook("Sre Ready",["loadComplete",MathJax.Ajax,"[SRE]/mathjax-sre.js"]);
 })();