Assigning custom extensions to a language's syntax highlighting in Notepad++

When you open a file in notepad++ it will attempt to load syntax highlighting for the contents based on file extension. If you use a custom extension for one of the existing languages you can add the custom extension in Settings -> Style Configurator. Select language and add the extension in the "User extension" edit box. To add multiple extensions separate them using Space. You then need to re-open your file to see the syntax highlighting applied. You can also change syntax highlighting style …