Merge pull request #3040 from annda/lexer-access

Let plugins access the lexer mode stack

inc/Parsing/Lexer/Lexer.php

@@ -167,6 +167,16 @@ class Lexer
         return $this->invokeHandler($raw, DOKU_LEXER_UNMATCHED, $pos);
     }
 
+    /**
+     * Gives plugins access to the mode stack
+     *
+     * @return StateStack
+     */
+    public function getModeStack()
+    {
+        return $this->modeStack;
+    }
+
     /**
      * Sends the matched token and any leading unmatched
      * text to the parser changing the lexer to a new