Alex Syntax Highlighter

Alex Syntax Highlighter highlights code in the theme editor for easier understanding.
See http://anthony.strangebutfunny.net/my-plugins/syntax-highlighter/ for help

1. Upload the directory “alex-syntax-highlighter”to the/wp-content/plugins/` directory
2. Activate the plugin through the ‘Plugins’ menu in WordPress
3. Navigate to the theme editor and now the code will all be highlighted accordingly

1. 

   Here's a screenshot of it in action

Is this plugin compatible with WordPress Multi Site?

Yes!, this plugin is absolutely compatible with WordPress Multi Site, It allows every site with the theme editor to have syntax highlighting.