NPP.RTF

RTF syntax highlighting for Notepad++ (http://notepad-plus-plus.org)

Installation

1. Download the language file (Save Link As...) from https://github.com/nakohdo/NPP.RTF/raw/master/userDefineLang_RTF.xml
2. In Notepad++, import the file via Language > Define your language... > Import....

UDL Documentation

For detailed information on UDL see User Defined Language Online Documenation.