4 #[doc(alias = "foo")] // ok!
7 #[doc(alias)] //~ ERROR
8 #[doc(alias = 0)] //~ ERROR
9 #[doc(alias("bar"))] //~ ERROR
10 #[doc(alias = "\"")] //~ ERROR
11 #[doc(alias = "\n")] //~ ERROR
14 #[doc(alias = "\t")] //~ ERROR
15 #[doc(alias = " hello")] //~ ERROR
16 #[doc(alias = "hello ")] //~ ERROR