at-exp broken parsing #154

(Not sure whether this should go here or to the language server, so feel free to forward it there if needed.)

Looks like using a vertical bar breaks syntax highlighting. See the minimal example at the bottom.

• The 111 comment is fine, but the 222 comment is broken (shows in plain white).

• Changing the at-exp contents to @list{x|y|z} restores order.

• Possibly related: @list|--{xyz}--| works, but the extra -s are mis-highlighted.

Environment

• OS: Ubuntu, via WSL
• OS Version: 22.04 (jammy)
• VS Code Version: 1.107.1
• Racket version: v8.15 [cs]
• Racket Langserver checksum: d8c986e8240481d187b81b0ea65a65483fba2ca1
• Magic Racket version: 0.8.0

Error message

(none)

Minimal example

#lang at-exp racket
;; 111
@list{x|y}
;; 222