bzamayo
(Benjamin Mayo)
1
Xcode renders the new enum case attribute @unknown as plain black text, i.e. without syntax highlighting. I assume it should be coloured the same as keywords like case. Should I file a Radar or Swift bug for this?

johnfairh
(John Fairhurst)
2
Swift I think: syntax model needs to be taught about this special attribute.
rintaro
(Rintaro Ishizaki)
3
Thank you! Please file an issue to JIRA (https://bugs.swift.org)