clippy: warn on doc_markdown

Author: apoelstra

Cargo.toml

@@ -65,7 +65,7 @@ cloned_instead_of_copied = "warn"
 copy_iterator = "warn"
 default_trait_access = "warn"
 doc_link_with_quotes = "warn"
-doc_markdown = "allow"
+doc_markdown = "warn"
 empty_enum = "warn"
 enum_glob_use = "allow"
 expl_impl_clone_on_copy = "warn"

src/lib.rs

@@ -238,7 +238,7 @@ macro_rules! impl_eq_hash {
 /// the initial budget. The budget prevents the generated structure from becoming too deep, which
 /// could cause issues in the code that processes these structures.
 ///
-/// https://github.com/rust-fuzz/arbitrary/issues/78
+/// <https://github.com/rust-fuzz/arbitrary/issues/78>
 #[cfg(feature = "arbitrary")]
 trait ArbitraryRec: Sized {
     /// Generate a recursive structure from unstructured data.