Initial prototype

src/InputHandler.ts

@@ -32,6 +32,10 @@ export class InputHandler implements IInputHandler {
         char = this._terminal.charset[char];
       }
 
+      if (this._terminal.options.screenReaderMode) {
+        this._terminal.emit('a11y.char', char);
+      }
+
       let row = this._terminal.buffer.y + this._terminal.buffer.ybase;
 
       // insert combining char in last cell