Add opts at root renderer

Author: leaysgur

lib/renderer.js

@@ -14,10 +14,6 @@ var CGMDRenderer = require('./renderer/cgmd');
 function Renderer(options) {
   options = options || {};
 
-  // markedのアップデートで初期値が変わったもの
-  options.langPrefix = 'lang-';
-  options.headerIds = '';
-
   this.MD   = new MDRenderer(options);
   this.CGMD = new CGMDRenderer(new MDRenderer(options));
 

lib/renderer/md.js

@@ -18,6 +18,10 @@ function MDRenderer(options) {
   this.options = options || {};
 
   this.options.renderer = new marked.Renderer();
+  // markedのアップデートで初期値が変わったもの
+  this.options.langPrefix = 'lang-';
+  this.options.headerIds = '';
+
   Object.keys(renderFunc).forEach(function(key) {
     this.options.renderer[key] = renderFunc[key];
   }, this);