Added following to template (Layout->Edit html) in body section:
An example:
Another Example:
This is output of<blockquote> ... </blockquote>
Note: Any HTML code between <code></code> is also treated as HTML. Use this HTML encoder to encode to HTML code before posting. Or, paste the HTML code in Compose tab (not in "Edit HTML" tab) of the post editor (Make sure that you have selected "Show HTML literally" in Compose Settings under Post Options).
code { 
font-family: Courier; 
margin:.75em 0;
border:1px dashed #CCC;
padding:5px 15px; 
display: block; 
background-color: #F4F5F7;
overflow: auto;
white-space: pre; 
}
Above box itself is result of <code>...</code> tag.An example:
code block      retains the     whitespace 
                            &                  
any 
      other 
            formatting 
                        in 
                             plain 
                                     text.Another Example:
T h i s     is   a   realllllllllllllllllyyyyyyyy looooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooonnnnnnnnnnnnnnnngggggggggggggggg     cooooooooooooooooooooode blockThis is output of<blockquote> ... </blockquote>
blockquotes does NOT retains the whitespace OR any other formatting in plain text.
Note: Any HTML code between <code></code> is also treated as HTML. Use this HTML encoder to encode to HTML code before posting. Or, paste the HTML code in Compose tab (not in "Edit HTML" tab) of the post editor (Make sure that you have selected "Show HTML literally" in Compose Settings under Post Options).