Notepad ++ Language Files
Ogre Material / Compositor, cg and HLSL Language files ( Work-in-progress, will upload new versions as I come across more keywords ) - Highlights code for Ogre .material and other files for easy editing. .material file also works with .program extension
Place in "C:\Documents and Settings\Your_User_Name\AppData\Roaming\Notepad++"
You also need to add it inside NotePad++ by selecting Language->Define Your Language->Import
And you also may need to restart Notepad++ after adding it to be able to highlight code.