Fix blockquote not parse correctly in slide mode

Author: jackycute

public/js/reveal-markdown.js

@@ -320,7 +320,7 @@ import { md } from './extra'
 
         var notes = section.querySelector('aside.notes')
         var markdown = getMarkdownFromSlide(section)
-
+        markdown = markdown.replace(/&lt;/g, '<').replace(/&gt;/g, '>')
         var rendered = md.render(markdown)
         rendered = preventXSS(rendered)
         var result = window.postProcess(rendered)

public/js/slide.js

@@ -55,8 +55,6 @@ const slideOptions = {
 const slides = RevealMarkdown.slidify(body, slideOptions)
 $('.slides').html(slides)
 RevealMarkdown.initialize()
-// fix < and > were doubly escaped
-$('.slides')[0].innerHTML = $('.slides')[0].innerHTML.replace(/&amp;lt;/g, '&lt;').replace(/&amp;gt;/g, '&gt;')
 removeDOMEvents($('.slides'))
 $('.slides').show()