Add missing license headers and relicense src/macros/visit.rs

Author: emilio

build.rs

@@ -1,3 +1,6 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #[macro_use] extern crate quote;
 extern crate syn;

src/macros/match_byte.rs

@@ -1,3 +1,6 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 use quote::{ToTokens, Tokens};
 use super::visit::{Visitor, RecursiveVisitor};

src/macros/mod.rs

@@ -1,5 +1,6 @@
-
-
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 pub mod match_byte;
 pub mod visit;

src/macros/visit.rs

@@ -1,13 +1,8 @@
-// Copyright 2016 The html5ever Project Developers. See the
-// COPYRIGHT file at the top-level directory of this distribution.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-/// Just enough of an AST visitor to reach every expression.
+/// Just enough of an AST visitor to reach every expression and statement.
 
 use syn;