gnu: Add rust-html5ever-0.23.

* gnu/packages/crates-io.scm (rust-html5ever-0.23): New variable.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

gnu/packages/crates-io.scm

@@ -4000,6 +4000,40 @@ compile time.")
      "Internal implementation of the hex-literal crate.")
     (license (list license:asl2.0 license:expat))))
 
+(define-public rust-html5ever-0.23
+  (package
+    (name "rust-html5ever")
+    (version "0.23.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "html5ever" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1dx8k7synrmf3fl6gcfm5q1cybfglvhc9xnvly3s5xcc0b45mrjw"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-log" ,rust-log-0.4)
+        ("rust-mac" ,rust-mac-0.1)
+        ("rust-markup5ever" ,rust-markup5ever-0.8))
+       #:cargo-development-inputs
+       (("rust-criterion" ,rust-criterion-0.2)
+        ("rust-proc-macro2" ,rust-proc-macro2-0.4)
+        ("rust-quote" ,rust-quote-1.0)
+        ("rust-rustc-serialize" ,rust-rustc-serialize-0.3)
+        ("rust-rustc-test" ,rust-rustc-test-0.3)
+        ("rust-syn" ,rust-syn-0.15)
+        ("rust-typed-arena" ,rust-typed-arena-1.4))))
+    (home-page "https://github.com/servo/html5ever")
+    (synopsis "High-performance browser-grade HTML5 parser")
+    (description
+     "High-performance browser-grade HTML5 parser.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-http-0.1
   (package
     (name "rust-http")