librustc_unicode

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diff --git a/librustc_unicode/lib.rs b/librustc_unicode/lib.rs
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+// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// 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.
+
+//! # The Unicode Library
+//!
+//! Unicode-intensive functions for `char` and `str` types.
+//!
+//! This crate provides a collection of Unicode-related functionality,
+//! including decompositions, conversions, etc., and provides traits
+//! implementing these functions for the `char` and `str` types.
+//!
+//! The functionality included here is only that which is necessary to
+//! provide for basic string-related manipulations. This crate does not
+//! (yet) aim to provide a full set of Unicode tables.
+
+#![crate_name = "rustc_unicode"]
+#![unstable(feature = "unicode", issue = "27783")]
+#![crate_type = "rlib"]
+#![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
+       html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
+       html_root_url = "https://doc.rust-lang.org/nightly/",
+       html_playground_url = "https://play.rust-lang.org/",
+       issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/",
+       test(no_crate_inject, attr(allow(unused_variables), deny(warnings))))]
+#![cfg_attr(not(stage0), deny(warnings))]
+#![no_std]
+
+#![feature(core_char_ext)]
+#![feature(lang_items)]
+#![feature(staged_api)]
+#![feature(unicode)]
+
+mod tables;
+mod u_str;
+pub mod char;
+
+#[allow(deprecated)]
+pub mod str {
+    pub use u_str::{UnicodeStr, SplitWhitespace};
+    pub use u_str::{utf8_char_width, is_utf16};
+    pub use u_str::{Utf16Encoder};
+}
+
+// For use in libcollections, not re-exported in libstd.
+pub mod derived_property {
+    pub use tables::derived_property::{Cased, Case_Ignorable};
+}
+
+// For use in libsyntax
+pub mod property {
+    pub use tables::property::Pattern_White_Space;
+}