This is a Linden Scripting Language (LSL) brush for the "SyntaxHighlighter Evolved" plugin, the scripting language used in Second Life.
Extract all files from the ZIP file, making sure to keep the file/folder structure intact, and then upload it to
Make sure you have the SyntaxHighlighter Evolved plugin installed first!
Wrap your Linden Scripting Language code between
[/lsl]. On some setups, it's better to use
<pre class='lang: lsl;'>