Call of Duty 7: Script Syntax Highlighting
UltraEdit
You can purchase and download UltraEdit from IDM Computer Solutions,Inc.
WorldList
In UltraEdit, under Advanced > Configuration...
Navigate to Editor Display > Syntax Highlighting. Select the [...] button to locate the worldlist.txt in your game bin folder. Click Apply.
To change your color selections, make sure Language is CODSCRIPT before you start changing colors.
Highlight
The next time you have a .GSC open, highlighting will automatically take effect.