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This post will explain how to add a syntax highlighting script to your Blogger (blogspot.com) blog which looks like this:

blogger syntax highlighter
(Click to enlarge)

Here's what you need to do to implement this syntax highlighter into your blog:

1. Go to this address, then perform a "select all" and "copy". The css information is now in the clipboard.

2. Paste the css information (from step 1) at the end of the css section of your blogger html template:

Search for </b:skin> and paste the code right before it.

3. Go to your Blogger Dashboard > Layout > Edit HTML and before the </head> tag, paste this:

<!-- Add-in CSS for syntax highlighting -->
<script src='http://syntaxhighlighter.googlecode.com/svn/trunk/Scripts/shCore.js' type='text/javascript'></script>
<script src='http://syntaxhighlighter.googlecode.com/svn/trunk/Scripts/shBrushCpp.js' type='text/javascript'></script>
<script src='http://syntaxhighlighter.googlecode.com/svn/trunk/Scripts/shBrushCSharp.js' type='text/javascript'></script>
<script src='http://syntaxhighlighter.googlecode.com/svn/trunk/Scripts/shBrushCss.js' type='text/javascript'></script>
<script src='http://syntaxhighlighter.googlecode.com/svn/trunk/Scripts/shBrushDelphi.js' type='text/javascript'></script>
<script src='http://syntaxhighlighter.googlecode.com/svn/trunk/Scripts/shBrushJava.js' type='text/javascript'></script>
<script src='http://syntaxhighlighter.googlecode.com/svn/trunk/Scripts/shBrushJScript.js' type='text/javascript'></script>
<script src='http://syntaxhighlighter.googlecode.com/svn/trunk/Scripts/shBrushPhp.js' type='text/javascript'></script>
<script src='http://syntaxhighlighter.googlecode.com/svn/trunk/Scripts/shBrushPython.js' type='text/javascript'></script>
<script src='http://syntaxhighlighter.googlecode.com/svn/trunk/Scripts/shBrushRuby.js' type='text/javascript'></script>
<script src='http://syntaxhighlighter.googlecode.com/svn/trunk/Scripts/shBrushSql.js' type='text/javascript'></script>
<script src='http://syntaxhighlighter.googlecode.com/svn/trunk/Scripts/shBrushVb.js' type='text/javascript'></script>
<script src='http://syntaxhighlighter.googlecode.com/svn/trunk/Scripts/shBrushXml.js' type='text/javascript'></script>

Feel free to remove lines for languages you'll never use (for example, Delphi) -- it will save some loading time. For instance I only use CSS and JavaScript so I would only paste the appropriate scripts.

4. Before the </body> tag, insert the following:

<!-- Add-in Script for syntax highlighting -->
<script language='javascript'>

5. Use the "Preview" button to make sure your website is correct, then click "Save Template".

6. When composing a blog entry that contains source code, click the "Edit Html" tab and put your source code (with html-escaped characters) between these tags, like so:

...Your html-escaped code goes here...
Substitute "cpp" with whatever language you're using (full list). (Choices: cpp, c, c++, c#, c-sharp, csharp, css, delphi, pascal, java, js, jscript, javascript, php, py, python, rb, ruby, rails, ror, sql, vb, vb.net, xml, html, xhtml, xslt)

To make any html code plain text (html-escaped), use the Greasemonkey script from this post.

[Credits: http://heisencoder.net]