tree-wide: make rustdoc links spiky so they are clickable

crates/hir_expand/src/eager.rs

@@ -17,7 +17,7 @@
 //! > and we need to live with it because it's available on stable and widely relied upon.
 //!
 //!
-//! See the full discussion : https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler/topic/Eager.20expansion.20of.20built-in.20macros
+//! See the full discussion : <https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler/topic/Eager.20expansion.20of.20built-in.20macros>
 
 use crate::{
     ast::{self, AstNode},

crates/hir_expand/src/lib.rs

@@ -53,7 +53,7 @@ mod test_db;
 /// this is a recursive definition! However, the size_of of `HirFileId` is
 /// finite (because everything bottoms out at the real `FileId`) and small
 /// (`MacroCallId` uses the location interning. You can check details here:
-/// https://en.wikipedia.org/wiki/String_interning).
+/// <https://en.wikipedia.org/wiki/String_interning>).
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub struct HirFileId(HirFileIdRepr);