- | "def" "(" number ")"
- | "fix" "(" number "," number "," number ")"
- | "cfx" "(" number ")"
- | "ind" "(" number "," number "," number ")"
- | "con" "(" number "," number "," number ")") (* ext + reference *)
+ | "def" ":" number ""
+ | "fix" ":" number ":" number ":" number
+ | "cfx" ":" number
+ | "ind" ":" number ":" number ":" number
+ | "con" ":" number ":" number ":" number
+ ) (* ext + reference *)