|  | //@ normalize-stderr: "nightly|beta|1\.[0-9][0-9]\.[0-9]" -> "$$CHANNEL" | 
|  | #![deny(warnings)] | 
|  |  | 
|  | //! Linking to [foo@banana] and [`bar@banana!()`]. | 
|  | //~^ ERROR unknown disambiguator `foo` | 
|  | //~| ERROR unknown disambiguator `bar` | 
|  | //! And to [no disambiguator](@nectarine) and [another](@apricot!()). | 
|  | //~^ ERROR unknown disambiguator `` | 
|  | //~| ERROR unknown disambiguator `` | 
|  | //! And with weird backticks: [``foo@hello``] [foo`@`hello]. | 
|  | //~^ ERROR unknown disambiguator `foo` | 
|  | //~| ERROR unknown disambiguator `foo` | 
|  |  | 
|  | fn main() {} |