Notepad++ syntax highlighting support for .mapfiles?
Found one for Notepad++. You might have to tweak it a bit as it might be for an old version of Mapserver.
You'd have to create your own definition if you insist on using Notepad++. You might want to check mscompanion though. It has a WYSIWYG mapfile editor and you can instantly visualize your changes. You can find the installer at Google Code. Good luck!
Found one on GitHub : MapserverSyntaxHighlighting
It adds a user defined language in N++ (check this, if you want to create your own).
Just put the two files given here :
- userDefineLang.xml -> %appdata%\Notepad++
- mapfile.xml -> %programfiles(x86)%\Notepad++\plugins\APIs
You may need to restart N++ or reopen the mapfile.