To turn on syntax highlighting when working with LESS files in Panic’s Coda (I’ve not upgraded to 2 yet):
- Near bottom of that dialogue window, under Custom Syntax Modes: , press the +
- Type “less” for the extension
- For the Syntax Mode, pull down and select CSS.
- Press Okay.
- Close Preferences
- Re-open your LESS files. After opening, they should be highlighted like CSS files.
Many thanks to Bucsa Silviu for his tip!