title: Prevent heading from becoming a new slide in a beamer created from markdown
body: <p>I want to create a Beamer slideshow from Markdown using Pandoc. I want all sentences starting with a <code>#</code> to start a new slide, EXCEPT for one. How can I do this?</p>
  
  <pre><code>    ---
      title: Introduction to Markdown.
      ---
  
      # Introduction to Markdown
      Markdown is easy to learn. 
      This is how you create headings in Markdown.
      Code: 
      ```
      # Heading Level 1
      ## Heading Level 2
      ### Heading Level 3.
      ```
      Output:
      # Heading Level 1
      ## Heading Level 2
      ### Heading Level 3.
  </code></pre>
  
  <p>I do NOT want <code># Heading Level 1</code> to start a new slide. Can someone please help me ? </p>