Adding HTML code within blog post

While posting my previous post, Changing the favicon. I was facing serious problems. Blogger automatically converts the blog post into an HTML code. But when I wanted to share an HTML code itself, it was not allowed by the blogger and it showed the following error...

It was posing serious trouble to me. Though I had been blogging for the past one year, I learnt HTML, css, java script only before couple of months. Learning them came in handy for me. Because I used the textarea tag to over come this problem.

<textarea readonly="readonly" style="width: 335px; height: 79px;" name="code"> You can add the html code here and don't forget to close the textarea tag!

Though the same error would be repeated even while using the textarea tag, checking the stop showing title or body HTML errors for this post - checkbox would do the trick!