Code Markup
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Code Markup is a WordPress plugin that makes it easy to include program code samples in your posts.
- Copy code-markup.php into your WordPress plugins directory (wp-content/plugins).
- Log in to WordPress Admin. Go to the Plugins page and click Activate for Code Markup.
- Go to the Options page and click Writing. Make sure “WordPress should correct invalidly nested XHTML automatically” is NOT checked. (Otherwise it may do funny things to your code listings.)