/*! -> //!

Sister pull request of https://github.com/rust-lang/rust/pull/19288, but
for the other style of block doc comment.

3 files changed, 9 insertions, 16 deletions

diff --git a/src/libunicode/normalize.rs b/src/libunicode/normalize.rs
index ad36215c11b..962be3d5acd 100644
--- a/src/libunicode/normalize.rs
+++ b/src/libunicode/normalize.rs
@@ -8,10 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-/*!
-  Functions for computing canonical and compatible decompositions
-  for Unicode characters.
-  */
+//! Functions for computing canonical and compatible decompositions for Unicode characters.
 
 use core::cmp::{Equal, Less, Greater};
 use core::option::{Option, Some, None};
diff --git a/src/libunicode/u_char.rs b/src/libunicode/u_char.rs
index 369336639a7..a73dac1a618 100644
--- a/src/libunicode/u_char.rs
+++ b/src/libunicode/u_char.rs
@@ -8,12 +8,10 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-/*!
- * Unicode-intensive `char` methods.
- *
- * These methods implement functionality for `char` that requires knowledge of
- * Unicode definitions, including normalization, categorization, and display information.
- */
+//! Unicode-intensive `char` methods.
+//!
+//! These methods implement functionality for `char` that requires knowledge of
+//! Unicode definitions, including normalization, categorization, and display information.
 
 use core::option::Option;
 use tables::{derived_property, property, general_category, conversions, charwidth};
diff --git a/src/libunicode/u_str.rs b/src/libunicode/u_str.rs
index 03a50409d7e..a5f76142575 100644
--- a/src/libunicode/u_str.rs
+++ b/src/libunicode/u_str.rs
@@ -10,12 +10,10 @@
 //
 // ignore-lexer-test FIXME #15679
 
-/*!
- * Unicode-intensive string manipulations.
- *
- * This module provides functionality to `str` that requires the Unicode
- * methods provided by the UnicodeChar trait.
- */
+//! Unicode-intensive string manipulations.
+//!
+//! This module provides functionality to `str` that requires the Unicode methods provided by the
+//! UnicodeChar trait.
 
 use self::GraphemeState::*;
 use core::cmp;