Restoring authorship annotation for <neksard@yandex-team.ru>. Commit 1 of 2.

1 files changed, 328 insertions, 328 deletions

diff --git a/contrib/libs/icu/include/unicode/umachine.h b/contrib/libs/icu/include/unicode/umachine.h
index 5f883b4ba5..2374233bcd 100644
--- a/contrib/libs/icu/include/unicode/umachine.h
+++ b/contrib/libs/icu/include/unicode/umachine.h
@@ -1,144 +1,144 @@
 // © 2016 and later: Unicode, Inc. and others.
-// License & terms of use: http://www.unicode.org/copyright.html
-/*
-******************************************************************************
-*
-*   Copyright (C) 1999-2015, International Business Machines
-*   Corporation and others.  All Rights Reserved.
-*
-******************************************************************************
-*   file name:  umachine.h
+// License & terms of use: http://www.unicode.org/copyright.html 
+/* 
+****************************************************************************** 
+* 
+*   Copyright (C) 1999-2015, International Business Machines 
+*   Corporation and others.  All Rights Reserved. 
+* 
+****************************************************************************** 
+*   file name:  umachine.h 
 *   encoding:   UTF-8
-*   tab size:   8 (not used)
-*   indentation:4
-*
-*   created on: 1999sep13
-*   created by: Markus W. Scherer
-*
-*   This file defines basic types and constants for ICU to be
-*   platform-independent. umachine.h and utf.h are included into
-*   utypes.h to provide all the general definitions for ICU.
-*   All of these definitions used to be in utypes.h before
-*   the UTF-handling macros made this unmaintainable.
-*/
-
-#ifndef __UMACHINE_H__
-#define __UMACHINE_H__
-
-
-/**
- * \file
- * \brief Basic types and constants for UTF
- *
- * <h2> Basic types and constants for UTF </h2>
- *   This file defines basic types and constants for utf.h to be
- *   platform-independent. umachine.h and utf.h are included into
- *   utypes.h to provide all the general definitions for ICU.
- *   All of these definitions used to be in utypes.h before
- *   the UTF-handling macros made this unmaintainable.
- *
- */
-/*==========================================================================*/
-/* Include platform-dependent definitions                                   */
-/* which are contained in the platform-specific file platform.h             */
-/*==========================================================================*/
-
-#include "unicode/ptypes.h" /* platform.h is included in ptypes.h */
-
-/*
- * ANSI C headers:
- * stddef.h defines wchar_t
- */
-#include <stddef.h>
-
-/*==========================================================================*/
-/* For C wrappers, we use the symbol U_STABLE.                                */
-/* This works properly if the includer is C or C++.                         */
-/* Functions are declared   U_STABLE return-type U_EXPORT2 function-name()... */
-/*==========================================================================*/
-
-/**
- * \def U_CFUNC
- * This is used in a declaration of a library private ICU C function.
- * @stable ICU 2.4
- */
-
-/**
- * \def U_CDECL_BEGIN
- * This is used to begin a declaration of a library private ICU C API.
- * @stable ICU 2.4
- */
-
-/**
- * \def U_CDECL_END
- * This is used to end a declaration of a library private ICU C API
- * @stable ICU 2.4
- */
-
-#ifdef __cplusplus
-#   define U_CFUNC extern "C"
-#   define U_CDECL_BEGIN extern "C" {
-#   define U_CDECL_END   }
-#else
-#   define U_CFUNC extern
-#   define U_CDECL_BEGIN
-#   define U_CDECL_END
-#endif
-
-#ifndef U_ATTRIBUTE_DEPRECATED
-/**
- * \def U_ATTRIBUTE_DEPRECATED
- *  This is used for GCC specific attributes
- * @internal
- */
-#if U_GCC_MAJOR_MINOR >= 302
-#    define U_ATTRIBUTE_DEPRECATED __attribute__ ((deprecated))
-/**
- * \def U_ATTRIBUTE_DEPRECATED
- * This is used for Visual C++ specific attributes 
- * @internal
- */
-#elif defined(_MSC_VER) && (_MSC_VER >= 1400)
-#    define U_ATTRIBUTE_DEPRECATED __declspec(deprecated)
-#else
-#    define U_ATTRIBUTE_DEPRECATED
-#endif
-#endif
-
-/** This is used to declare a function as a public ICU C API @stable ICU 2.0*/
-#define U_CAPI U_CFUNC U_EXPORT
-/** This is used to declare a function as a stable public ICU C API*/
-#define U_STABLE U_CAPI
-/** This is used to declare a function as a draft public ICU C API  */
-#define U_DRAFT  U_CAPI
-/** This is used to declare a function as a deprecated public ICU C API  */
-#define U_DEPRECATED U_CAPI U_ATTRIBUTE_DEPRECATED
-/** This is used to declare a function as an obsolete public ICU C API  */
-#define U_OBSOLETE U_CAPI
-/** This is used to declare a function as an internal ICU C API  */
-#define U_INTERNAL U_CAPI
-
-/**
- * \def U_OVERRIDE
- * Defined to the C++11 "override" keyword if available.
- * Denotes a class or member which is an override of the base class.
- * May result in an error if it applied to something not an override.
- * @internal
- */
+*   tab size:   8 (not used) 
+*   indentation:4 
+* 
+*   created on: 1999sep13 
+*   created by: Markus W. Scherer 
+* 
+*   This file defines basic types and constants for ICU to be 
+*   platform-independent. umachine.h and utf.h are included into 
+*   utypes.h to provide all the general definitions for ICU. 
+*   All of these definitions used to be in utypes.h before 
+*   the UTF-handling macros made this unmaintainable. 
+*/ 
+ 
+#ifndef __UMACHINE_H__ 
+#define __UMACHINE_H__ 
+ 
+ 
+/** 
+ * \file 
+ * \brief Basic types and constants for UTF 
+ * 
+ * <h2> Basic types and constants for UTF </h2> 
+ *   This file defines basic types and constants for utf.h to be 
+ *   platform-independent. umachine.h and utf.h are included into 
+ *   utypes.h to provide all the general definitions for ICU. 
+ *   All of these definitions used to be in utypes.h before 
+ *   the UTF-handling macros made this unmaintainable. 
+ * 
+ */ 
+/*==========================================================================*/ 
+/* Include platform-dependent definitions                                   */ 
+/* which are contained in the platform-specific file platform.h             */ 
+/*==========================================================================*/ 
+ 
+#include "unicode/ptypes.h" /* platform.h is included in ptypes.h */ 
+ 
+/* 
+ * ANSI C headers: 
+ * stddef.h defines wchar_t 
+ */ 
+#include <stddef.h> 
+ 
+/*==========================================================================*/ 
+/* For C wrappers, we use the symbol U_STABLE.                                */ 
+/* This works properly if the includer is C or C++.                         */ 
+/* Functions are declared   U_STABLE return-type U_EXPORT2 function-name()... */ 
+/*==========================================================================*/ 
+ 
+/** 
+ * \def U_CFUNC 
+ * This is used in a declaration of a library private ICU C function. 
+ * @stable ICU 2.4 
+ */ 
+ 
+/** 
+ * \def U_CDECL_BEGIN 
+ * This is used to begin a declaration of a library private ICU C API. 
+ * @stable ICU 2.4 
+ */ 
+ 
+/** 
+ * \def U_CDECL_END 
+ * This is used to end a declaration of a library private ICU C API 
+ * @stable ICU 2.4 
+ */ 
+ 
+#ifdef __cplusplus 
+#   define U_CFUNC extern "C" 
+#   define U_CDECL_BEGIN extern "C" { 
+#   define U_CDECL_END   } 
+#else 
+#   define U_CFUNC extern 
+#   define U_CDECL_BEGIN 
+#   define U_CDECL_END 
+#endif 
+ 
+#ifndef U_ATTRIBUTE_DEPRECATED 
+/** 
+ * \def U_ATTRIBUTE_DEPRECATED 
+ *  This is used for GCC specific attributes 
+ * @internal 
+ */ 
+#if U_GCC_MAJOR_MINOR >= 302 
+#    define U_ATTRIBUTE_DEPRECATED __attribute__ ((deprecated)) 
+/** 
+ * \def U_ATTRIBUTE_DEPRECATED 
+ * This is used for Visual C++ specific attributes  
+ * @internal 
+ */ 
+#elif defined(_MSC_VER) && (_MSC_VER >= 1400) 
+#    define U_ATTRIBUTE_DEPRECATED __declspec(deprecated) 
+#else 
+#    define U_ATTRIBUTE_DEPRECATED 
+#endif 
+#endif 
+ 
+/** This is used to declare a function as a public ICU C API @stable ICU 2.0*/ 
+#define U_CAPI U_CFUNC U_EXPORT 
+/** This is used to declare a function as a stable public ICU C API*/ 
+#define U_STABLE U_CAPI 
+/** This is used to declare a function as a draft public ICU C API  */ 
+#define U_DRAFT  U_CAPI 
+/** This is used to declare a function as a deprecated public ICU C API  */ 
+#define U_DEPRECATED U_CAPI U_ATTRIBUTE_DEPRECATED 
+/** This is used to declare a function as an obsolete public ICU C API  */ 
+#define U_OBSOLETE U_CAPI 
+/** This is used to declare a function as an internal ICU C API  */ 
+#define U_INTERNAL U_CAPI 
+ 
+/** 
+ * \def U_OVERRIDE 
+ * Defined to the C++11 "override" keyword if available. 
+ * Denotes a class or member which is an override of the base class. 
+ * May result in an error if it applied to something not an override. 
+ * @internal 
+ */ 
 #ifndef U_OVERRIDE
 #define U_OVERRIDE override
 #endif
-
-/**
- * \def U_FINAL
- * Defined to the C++11 "final" keyword if available.
- * Denotes a class or member which may not be overridden in subclasses.
- * May result in an error if subclasses attempt to override.
- * @internal
- */
+ 
+/** 
+ * \def U_FINAL 
+ * Defined to the C++11 "final" keyword if available. 
+ * Denotes a class or member which may not be overridden in subclasses. 
+ * May result in an error if subclasses attempt to override. 
+ * @internal 
+ */ 
 #if !defined(U_FINAL) || defined(U_IN_DOXYGEN)
-#define U_FINAL final
-#endif
+#define U_FINAL final 
+#endif 
 
 // Before ICU 65, function-like, multi-statement ICU macros were just defined as
 // series of statements wrapped in { } blocks and the caller could choose to
@@ -166,7 +166,7 @@
  */
 #ifndef UPRV_BLOCK_MACRO_BEGIN
 #define UPRV_BLOCK_MACRO_BEGIN do
-#endif
+#endif 
 
 /**
  * \def UPRV_BLOCK_MACRO_END
@@ -175,147 +175,147 @@
  */
 #ifndef UPRV_BLOCK_MACRO_END
 #define UPRV_BLOCK_MACRO_END while (FALSE)
-#endif
-
-/*==========================================================================*/
-/* limits for int32_t etc., like in POSIX inttypes.h                        */
-/*==========================================================================*/
-
-#ifndef INT8_MIN
-/** The smallest value an 8 bit signed integer can hold @stable ICU 2.0 */
-#   define INT8_MIN        ((int8_t)(-128))
-#endif
-#ifndef INT16_MIN
-/** The smallest value a 16 bit signed integer can hold @stable ICU 2.0 */
-#   define INT16_MIN       ((int16_t)(-32767-1))
-#endif
-#ifndef INT32_MIN
-/** The smallest value a 32 bit signed integer can hold @stable ICU 2.0 */
-#   define INT32_MIN       ((int32_t)(-2147483647-1))
-#endif
-
-#ifndef INT8_MAX
-/** The largest value an 8 bit signed integer can hold @stable ICU 2.0 */
-#   define INT8_MAX        ((int8_t)(127))
-#endif
-#ifndef INT16_MAX
-/** The largest value a 16 bit signed integer can hold @stable ICU 2.0 */
-#   define INT16_MAX       ((int16_t)(32767))
-#endif
-#ifndef INT32_MAX
-/** The largest value a 32 bit signed integer can hold @stable ICU 2.0 */
-#   define INT32_MAX       ((int32_t)(2147483647))
-#endif
-
-#ifndef UINT8_MAX
-/** The largest value an 8 bit unsigned integer can hold @stable ICU 2.0 */
-#   define UINT8_MAX       ((uint8_t)(255U))
-#endif
-#ifndef UINT16_MAX
-/** The largest value a 16 bit unsigned integer can hold @stable ICU 2.0 */
-#   define UINT16_MAX      ((uint16_t)(65535U))
-#endif
-#ifndef UINT32_MAX
-/** The largest value a 32 bit unsigned integer can hold @stable ICU 2.0 */
-#   define UINT32_MAX      ((uint32_t)(4294967295U))
-#endif
-
-#if defined(U_INT64_T_UNAVAILABLE)
-# error int64_t is required for decimal format and rule-based number format.
-#else
-# ifndef INT64_C
-/**
- * Provides a platform independent way to specify a signed 64-bit integer constant.
- * note: may be wrong for some 64 bit platforms - ensure your compiler provides INT64_C
- * @stable ICU 2.8
- */
-#   define INT64_C(c) c ## LL
-# endif
-# ifndef UINT64_C
-/**
- * Provides a platform independent way to specify an unsigned 64-bit integer constant.
- * note: may be wrong for some 64 bit platforms - ensure your compiler provides UINT64_C
- * @stable ICU 2.8
- */
-#   define UINT64_C(c) c ## ULL
-# endif
-# ifndef U_INT64_MIN
-/** The smallest value a 64 bit signed integer can hold @stable ICU 2.8 */
-#     define U_INT64_MIN       ((int64_t)(INT64_C(-9223372036854775807)-1))
-# endif
-# ifndef U_INT64_MAX
-/** The largest value a 64 bit signed integer can hold @stable ICU 2.8 */
-#     define U_INT64_MAX       ((int64_t)(INT64_C(9223372036854775807)))
-# endif
-# ifndef U_UINT64_MAX
-/** The largest value a 64 bit unsigned integer can hold @stable ICU 2.8 */
-#     define U_UINT64_MAX      ((uint64_t)(UINT64_C(18446744073709551615)))
-# endif
-#endif
-
-/*==========================================================================*/
-/* Boolean data type                                                        */
-/*==========================================================================*/
-
-/** The ICU boolean type @stable ICU 2.0 */
-typedef int8_t UBool;
-
-#ifndef TRUE
-/** The TRUE value of a UBool @stable ICU 2.0 */
-#   define TRUE  1
-#endif
-#ifndef FALSE
-/** The FALSE value of a UBool @stable ICU 2.0 */
-#   define FALSE 0
-#endif
-
-
-/*==========================================================================*/
-/* Unicode data types                                                       */
-/*==========================================================================*/
-
-/* wchar_t-related definitions -------------------------------------------- */
-
-/*
- * \def U_WCHAR_IS_UTF16
- * Defined if wchar_t uses UTF-16.
- *
- * @stable ICU 2.0
- */
-/*
- * \def U_WCHAR_IS_UTF32
- * Defined if wchar_t uses UTF-32.
- *
- * @stable ICU 2.0
- */
-#if !defined(U_WCHAR_IS_UTF16) && !defined(U_WCHAR_IS_UTF32)
-#   ifdef __STDC_ISO_10646__
-#       if (U_SIZEOF_WCHAR_T==2)
-#           define U_WCHAR_IS_UTF16
-#       elif (U_SIZEOF_WCHAR_T==4)
-#           define  U_WCHAR_IS_UTF32
-#       endif
-#   elif defined __UCS2__
-#       if (U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400) && (U_SIZEOF_WCHAR_T==2)
-#           define U_WCHAR_IS_UTF16
-#       endif
-#   elif defined(__UCS4__) || (U_PLATFORM == U_PF_OS400 && defined(__UTF32__))
-#       if (U_SIZEOF_WCHAR_T==4)
-#           define U_WCHAR_IS_UTF32
-#       endif
-#   elif U_PLATFORM_IS_DARWIN_BASED || (U_SIZEOF_WCHAR_T==4 && U_PLATFORM_IS_LINUX_BASED)
-#       define U_WCHAR_IS_UTF32
-#   elif U_PLATFORM_HAS_WIN32_API
-#       define U_WCHAR_IS_UTF16
-#   endif
-#endif
-
-/* UChar and UChar32 definitions -------------------------------------------- */
-
-/** Number of bytes in a UChar. @stable ICU 2.0 */
-#define U_SIZEOF_UCHAR 2
-
-/**
+#endif 
+ 
+/*==========================================================================*/ 
+/* limits for int32_t etc., like in POSIX inttypes.h                        */ 
+/*==========================================================================*/ 
+ 
+#ifndef INT8_MIN 
+/** The smallest value an 8 bit signed integer can hold @stable ICU 2.0 */ 
+#   define INT8_MIN        ((int8_t)(-128)) 
+#endif 
+#ifndef INT16_MIN 
+/** The smallest value a 16 bit signed integer can hold @stable ICU 2.0 */ 
+#   define INT16_MIN       ((int16_t)(-32767-1)) 
+#endif 
+#ifndef INT32_MIN 
+/** The smallest value a 32 bit signed integer can hold @stable ICU 2.0 */ 
+#   define INT32_MIN       ((int32_t)(-2147483647-1)) 
+#endif 
+ 
+#ifndef INT8_MAX 
+/** The largest value an 8 bit signed integer can hold @stable ICU 2.0 */ 
+#   define INT8_MAX        ((int8_t)(127)) 
+#endif 
+#ifndef INT16_MAX 
+/** The largest value a 16 bit signed integer can hold @stable ICU 2.0 */ 
+#   define INT16_MAX       ((int16_t)(32767)) 
+#endif 
+#ifndef INT32_MAX 
+/** The largest value a 32 bit signed integer can hold @stable ICU 2.0 */ 
+#   define INT32_MAX       ((int32_t)(2147483647)) 
+#endif 
+ 
+#ifndef UINT8_MAX 
+/** The largest value an 8 bit unsigned integer can hold @stable ICU 2.0 */ 
+#   define UINT8_MAX       ((uint8_t)(255U)) 
+#endif 
+#ifndef UINT16_MAX 
+/** The largest value a 16 bit unsigned integer can hold @stable ICU 2.0 */ 
+#   define UINT16_MAX      ((uint16_t)(65535U)) 
+#endif 
+#ifndef UINT32_MAX 
+/** The largest value a 32 bit unsigned integer can hold @stable ICU 2.0 */ 
+#   define UINT32_MAX      ((uint32_t)(4294967295U)) 
+#endif 
+ 
+#if defined(U_INT64_T_UNAVAILABLE) 
+# error int64_t is required for decimal format and rule-based number format. 
+#else 
+# ifndef INT64_C 
+/** 
+ * Provides a platform independent way to specify a signed 64-bit integer constant. 
+ * note: may be wrong for some 64 bit platforms - ensure your compiler provides INT64_C 
+ * @stable ICU 2.8 
+ */ 
+#   define INT64_C(c) c ## LL 
+# endif 
+# ifndef UINT64_C 
+/** 
+ * Provides a platform independent way to specify an unsigned 64-bit integer constant. 
+ * note: may be wrong for some 64 bit platforms - ensure your compiler provides UINT64_C 
+ * @stable ICU 2.8 
+ */ 
+#   define UINT64_C(c) c ## ULL 
+# endif 
+# ifndef U_INT64_MIN 
+/** The smallest value a 64 bit signed integer can hold @stable ICU 2.8 */ 
+#     define U_INT64_MIN       ((int64_t)(INT64_C(-9223372036854775807)-1)) 
+# endif 
+# ifndef U_INT64_MAX 
+/** The largest value a 64 bit signed integer can hold @stable ICU 2.8 */ 
+#     define U_INT64_MAX       ((int64_t)(INT64_C(9223372036854775807))) 
+# endif 
+# ifndef U_UINT64_MAX 
+/** The largest value a 64 bit unsigned integer can hold @stable ICU 2.8 */ 
+#     define U_UINT64_MAX      ((uint64_t)(UINT64_C(18446744073709551615))) 
+# endif 
+#endif 
+ 
+/*==========================================================================*/ 
+/* Boolean data type                                                        */ 
+/*==========================================================================*/ 
+ 
+/** The ICU boolean type @stable ICU 2.0 */ 
+typedef int8_t UBool; 
+ 
+#ifndef TRUE 
+/** The TRUE value of a UBool @stable ICU 2.0 */ 
+#   define TRUE  1 
+#endif 
+#ifndef FALSE 
+/** The FALSE value of a UBool @stable ICU 2.0 */ 
+#   define FALSE 0 
+#endif 
+ 
+ 
+/*==========================================================================*/ 
+/* Unicode data types                                                       */ 
+/*==========================================================================*/ 
+ 
+/* wchar_t-related definitions -------------------------------------------- */ 
+ 
+/* 
+ * \def U_WCHAR_IS_UTF16 
+ * Defined if wchar_t uses UTF-16. 
+ * 
+ * @stable ICU 2.0 
+ */ 
+/* 
+ * \def U_WCHAR_IS_UTF32 
+ * Defined if wchar_t uses UTF-32. 
+ * 
+ * @stable ICU 2.0 
+ */ 
+#if !defined(U_WCHAR_IS_UTF16) && !defined(U_WCHAR_IS_UTF32) 
+#   ifdef __STDC_ISO_10646__ 
+#       if (U_SIZEOF_WCHAR_T==2) 
+#           define U_WCHAR_IS_UTF16 
+#       elif (U_SIZEOF_WCHAR_T==4) 
+#           define  U_WCHAR_IS_UTF32 
+#       endif 
+#   elif defined __UCS2__ 
+#       if (U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400) && (U_SIZEOF_WCHAR_T==2) 
+#           define U_WCHAR_IS_UTF16 
+#       endif 
+#   elif defined(__UCS4__) || (U_PLATFORM == U_PF_OS400 && defined(__UTF32__)) 
+#       if (U_SIZEOF_WCHAR_T==4) 
+#           define U_WCHAR_IS_UTF32 
+#       endif 
+#   elif U_PLATFORM_IS_DARWIN_BASED || (U_SIZEOF_WCHAR_T==4 && U_PLATFORM_IS_LINUX_BASED) 
+#       define U_WCHAR_IS_UTF32 
+#   elif U_PLATFORM_HAS_WIN32_API 
+#       define U_WCHAR_IS_UTF16 
+#   endif 
+#endif 
+ 
+/* UChar and UChar32 definitions -------------------------------------------- */ 
+ 
+/** Number of bytes in a UChar. @stable ICU 2.0 */ 
+#define U_SIZEOF_UCHAR 2 
+ 
+/** 
  * \def U_CHAR16_IS_TYPEDEF
  * If 1, then char16_t is a typedef and not a real type (yet)
  * @internal
@@ -334,12 +334,12 @@ typedef int8_t UBool;
 
 
 /**
- * \var UChar
- *
+ * \var UChar 
+ * 
  * The base type for UTF-16 code units and pointers.
  * Unsigned 16-bit integer.
  * Starting with ICU 59, C++ API uses char16_t directly, while C API continues to use UChar.
- *
+ * 
  * UChar is configurable by defining the macro UCHAR_TYPE
  * on the preprocessor or compiler command line:
  * -DUCHAR_TYPE=uint16_t or -DUCHAR_TYPE=wchar_t (if U_SIZEOF_WCHAR_T==2) etc.
@@ -354,8 +354,8 @@ typedef int8_t UBool;
  * ICU requires uint_least16_t=uint16_t for data memory mapping.
  * On macOS, char16_t is not available because the uchar.h standard header is missing.
  *
- * @stable ICU 4.4
- */
+ * @stable ICU 4.4 
+ */ 
 
 #if 1
     // #if 1 is normal. UChar defaults to char16_t in C++.
@@ -371,14 +371,14 @@ typedef int8_t UBool;
     // Inside the ICU library code, never configurable.
     typedef char16_t UChar;
 #elif defined(UCHAR_TYPE)
-    typedef UCHAR_TYPE UChar;
+    typedef UCHAR_TYPE UChar; 
 #elif (U_CPLUSPLUS_VERSION >= 11)
     typedef char16_t UChar;
-#else
-    typedef uint16_t UChar;
-#endif
-
-/**
+#else 
+    typedef uint16_t UChar; 
+#endif 
+ 
+/** 
  * \var OldUChar
  * Default ICU 58 definition of UChar.
  * A base type for UTF-16 code units and pointers.
@@ -406,44 +406,44 @@ typedef int8_t UBool;
 #endif
 
 /**
- * Define UChar32 as a type for single Unicode code points.
- * UChar32 is a signed 32-bit integer (same as int32_t).
- *
- * The Unicode code point range is 0..0x10ffff.
- * All other values (negative or >=0x110000) are illegal as Unicode code points.
- * They may be used as sentinel values to indicate "done", "error"
- * or similar non-code point conditions.
- *
- * Before ICU 2.4 (Jitterbug 2146), UChar32 was defined
- * to be wchar_t if that is 32 bits wide (wchar_t may be signed or unsigned)
- * or else to be uint32_t.
- * That is, the definition of UChar32 was platform-dependent.
- *
- * @see U_SENTINEL
- * @stable ICU 2.4
- */
-typedef int32_t UChar32;
-
-/**
- * This value is intended for sentinel values for APIs that
- * (take or) return single code points (UChar32).
- * It is outside of the Unicode code point range 0..0x10ffff.
+ * Define UChar32 as a type for single Unicode code points. 
+ * UChar32 is a signed 32-bit integer (same as int32_t). 
  * 
- * For example, a "done" or "error" value in a new API
- * could be indicated with U_SENTINEL.
- *
- * ICU APIs designed before ICU 2.4 usually define service-specific "done"
- * values, mostly 0xffff.
- * Those may need to be distinguished from
- * actual U+ffff text contents by calling functions like
- * CharacterIterator::hasNext() or UnicodeString::length().
- *
- * @return -1
- * @see UChar32
- * @stable ICU 2.4
- */
-#define U_SENTINEL (-1)
-
-#include "unicode/urename.h"
-
-#endif
+ * The Unicode code point range is 0..0x10ffff. 
+ * All other values (negative or >=0x110000) are illegal as Unicode code points. 
+ * They may be used as sentinel values to indicate "done", "error" 
+ * or similar non-code point conditions. 
+ * 
+ * Before ICU 2.4 (Jitterbug 2146), UChar32 was defined 
+ * to be wchar_t if that is 32 bits wide (wchar_t may be signed or unsigned) 
+ * or else to be uint32_t. 
+ * That is, the definition of UChar32 was platform-dependent. 
+ * 
+ * @see U_SENTINEL 
+ * @stable ICU 2.4 
+ */ 
+typedef int32_t UChar32; 
+ 
+/** 
+ * This value is intended for sentinel values for APIs that 
+ * (take or) return single code points (UChar32). 
+ * It is outside of the Unicode code point range 0..0x10ffff. 
+ *  
+ * For example, a "done" or "error" value in a new API 
+ * could be indicated with U_SENTINEL. 
+ * 
+ * ICU APIs designed before ICU 2.4 usually define service-specific "done" 
+ * values, mostly 0xffff. 
+ * Those may need to be distinguished from 
+ * actual U+ffff text contents by calling functions like 
+ * CharacterIterator::hasNext() or UnicodeString::length(). 
+ * 
+ * @return -1 
+ * @see UChar32 
+ * @stable ICU 2.4 
+ */ 
+#define U_SENTINEL (-1) 
+ 
+#include "unicode/urename.h" 
+ 
+#endif