Wow, this is stop-what-you're-doing-to-try-it-out brilliant. - No-JS needed - No-HTML wrappers Just a colr font with built-in syntax highlighting 🤯 What an innovative idea from Heikki Lotvonen 😍 (h/t @npub1y3j4...ymdz for sharing this with me) It should be possible to customize the colors in CSS in an upcoming version!

GlyphDrawing.Club -blog

Font with Built-In Syntax Highlighting

An experiment in javascript-free syntax highlighting, made possible by opentype contextual alternates and COLR table