Notepad2, the Windows text editor, since many years is no longer maintained the fundamental and most do not have a useful feature. Notepad2 is not from Microsoft, but is able to do more. For example, he recognizes the many programming languages and display the command in a variety of colors.
If this does not happen automatically, you can set yourself under the 'View | Syntax Scheme'.
Info : www.flos-freeware.ch
OS : Win 98/NT/2000/ME/XP/Vista
Download : Notepad2