Rename json feature to serde

Closes GH-59.

Reviewed-by: Titus Wormer <tituswormer@gmail.com>

Author: barafael

Cargo.toml

@@ -19,14 +19,14 @@ harness = false
 
 [features]
 default = []
-json = ["dep:serde", "dep:serde_json"]
+json = ["serde"]
+serde = ["dep:serde"]
 log = ["dep:log"]
 
 [dependencies]
 log = { version = "0.4", optional = true }
 unicode-id = { version = "0.3", features = ["no_std"] }
 serde = { version = "1.0", features = ["derive"], optional = true }
-serde_json = { version = "1.0", optional = true }
 
 [dev-dependencies]
 env_logger = "0.10"

src/lib.rs

@@ -16,8 +16,8 @@
 //!
 //! *   **`default`**
 //!     — nothing is enabled by default
-//! *   **`json`**
-//!     — enable serde to serialize the AST (includes `dep:serde`, `dep:serde_json`)
+//! *   **`serde`**
+//!     — enable serde to serialize the AST (includes `dep:serde`)
 //! *   **`log`**
 //!     — enable logging (includes `dep:log`);
 //!     you can show logs with `RUST_LOG=debug`