webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 322 insertions, 21 deletions

diff --git a/Source/WebCore/icu/unicode/uscript.h b/Source/WebCore/icu/unicode/uscript.h
index ee21c740d..57255c4f9 100644
--- a/Source/WebCore/icu/unicode/uscript.h
+++ b/Source/WebCore/icu/unicode/uscript.h
@@ -1,6 +1,6 @@
 /*
  **********************************************************************
- *   Copyright (C) 1997-2010, International Business Machines
+ *   Copyright (C) 1997-2013, International Business Machines
  *   Corporation and others.  All Rights Reserved.
  **********************************************************************
  *
@@ -44,182 +44,369 @@
  * @stable ICU 2.2
  */
 typedef enum UScriptCode {
+    /*
+     * Note: UScriptCode constants and their ISO script code comments
+     * are parsed by preparseucd.py.
+     * It matches lines like
+     *     USCRIPT_<Unicode Script value name> = <integer>,  / * <ISO script code> * /
+     */
+
+      /** @stable ICU 2.2 */
       USCRIPT_INVALID_CODE = -1,
+      /** @stable ICU 2.2 */
       USCRIPT_COMMON       =  0,  /* Zyyy */
+      /** @stable ICU 2.2 */
       USCRIPT_INHERITED    =  1,  /* Zinh */ /* "Code for inherited script", for non-spacing combining marks; also Qaai */
+      /** @stable ICU 2.2 */
       USCRIPT_ARABIC       =  2,  /* Arab */
+      /** @stable ICU 2.2 */
       USCRIPT_ARMENIAN     =  3,  /* Armn */
+      /** @stable ICU 2.2 */
       USCRIPT_BENGALI      =  4,  /* Beng */
+      /** @stable ICU 2.2 */
       USCRIPT_BOPOMOFO     =  5,  /* Bopo */
+      /** @stable ICU 2.2 */
       USCRIPT_CHEROKEE     =  6,  /* Cher */
+      /** @stable ICU 2.2 */
       USCRIPT_COPTIC       =  7,  /* Copt */
+      /** @stable ICU 2.2 */
       USCRIPT_CYRILLIC     =  8,  /* Cyrl */
+      /** @stable ICU 2.2 */
       USCRIPT_DESERET      =  9,  /* Dsrt */
+      /** @stable ICU 2.2 */
       USCRIPT_DEVANAGARI   = 10,  /* Deva */
+      /** @stable ICU 2.2 */
       USCRIPT_ETHIOPIC     = 11,  /* Ethi */
+      /** @stable ICU 2.2 */
       USCRIPT_GEORGIAN     = 12,  /* Geor */
+      /** @stable ICU 2.2 */
       USCRIPT_GOTHIC       = 13,  /* Goth */
+      /** @stable ICU 2.2 */
       USCRIPT_GREEK        = 14,  /* Grek */
+      /** @stable ICU 2.2 */
       USCRIPT_GUJARATI     = 15,  /* Gujr */
+      /** @stable ICU 2.2 */
       USCRIPT_GURMUKHI     = 16,  /* Guru */
+      /** @stable ICU 2.2 */
       USCRIPT_HAN          = 17,  /* Hani */
+      /** @stable ICU 2.2 */
       USCRIPT_HANGUL       = 18,  /* Hang */
+      /** @stable ICU 2.2 */
       USCRIPT_HEBREW       = 19,  /* Hebr */
+      /** @stable ICU 2.2 */
       USCRIPT_HIRAGANA     = 20,  /* Hira */
+      /** @stable ICU 2.2 */
       USCRIPT_KANNADA      = 21,  /* Knda */
+      /** @stable ICU 2.2 */
       USCRIPT_KATAKANA     = 22,  /* Kana */
+      /** @stable ICU 2.2 */
       USCRIPT_KHMER        = 23,  /* Khmr */
+      /** @stable ICU 2.2 */
       USCRIPT_LAO          = 24,  /* Laoo */
+      /** @stable ICU 2.2 */
       USCRIPT_LATIN        = 25,  /* Latn */
+      /** @stable ICU 2.2 */
       USCRIPT_MALAYALAM    = 26,  /* Mlym */
+      /** @stable ICU 2.2 */
       USCRIPT_MONGOLIAN    = 27,  /* Mong */
+      /** @stable ICU 2.2 */
       USCRIPT_MYANMAR      = 28,  /* Mymr */
+      /** @stable ICU 2.2 */
       USCRIPT_OGHAM        = 29,  /* Ogam */
+      /** @stable ICU 2.2 */
       USCRIPT_OLD_ITALIC   = 30,  /* Ital */
+      /** @stable ICU 2.2 */
       USCRIPT_ORIYA        = 31,  /* Orya */
+      /** @stable ICU 2.2 */
       USCRIPT_RUNIC        = 32,  /* Runr */
+      /** @stable ICU 2.2 */
       USCRIPT_SINHALA      = 33,  /* Sinh */
+      /** @stable ICU 2.2 */
       USCRIPT_SYRIAC       = 34,  /* Syrc */
+      /** @stable ICU 2.2 */
       USCRIPT_TAMIL        = 35,  /* Taml */
+      /** @stable ICU 2.2 */
       USCRIPT_TELUGU       = 36,  /* Telu */
+      /** @stable ICU 2.2 */
       USCRIPT_THAANA       = 37,  /* Thaa */
+      /** @stable ICU 2.2 */
       USCRIPT_THAI         = 38,  /* Thai */
+      /** @stable ICU 2.2 */
       USCRIPT_TIBETAN      = 39,  /* Tibt */
       /** Canadian_Aboriginal script. @stable ICU 2.6 */
       USCRIPT_CANADIAN_ABORIGINAL = 40,  /* Cans */
       /** Canadian_Aboriginal script (alias). @stable ICU 2.2 */
       USCRIPT_UCAS         = USCRIPT_CANADIAN_ABORIGINAL,
+      /** @stable ICU 2.2 */
       USCRIPT_YI           = 41,  /* Yiii */
+      /* New scripts in Unicode 3.2 */
+      /** @stable ICU 2.2 */
       USCRIPT_TAGALOG      = 42,  /* Tglg */
+      /** @stable ICU 2.2 */
       USCRIPT_HANUNOO      = 43,  /* Hano */
+      /** @stable ICU 2.2 */
       USCRIPT_BUHID        = 44,  /* Buhd */
+      /** @stable ICU 2.2 */
       USCRIPT_TAGBANWA     = 45,  /* Tagb */
 
-      /* New scripts in Unicode 4 @stable ICU 2.6 */
+      /* New scripts in Unicode 4 */
+      /** @stable ICU 2.6 */
       USCRIPT_BRAILLE      = 46,  /* Brai */
+      /** @stable ICU 2.6 */
       USCRIPT_CYPRIOT      = 47,  /* Cprt */
+      /** @stable ICU 2.6 */
       USCRIPT_LIMBU        = 48,  /* Limb */
+      /** @stable ICU 2.6 */
       USCRIPT_LINEAR_B     = 49,  /* Linb */
+      /** @stable ICU 2.6 */
       USCRIPT_OSMANYA      = 50,  /* Osma */
+      /** @stable ICU 2.6 */
       USCRIPT_SHAVIAN      = 51,  /* Shaw */
+      /** @stable ICU 2.6 */
       USCRIPT_TAI_LE       = 52,  /* Tale */
+      /** @stable ICU 2.6 */
       USCRIPT_UGARITIC     = 53,  /* Ugar */
 
       /** New script code in Unicode 4.0.1 @stable ICU 3.0 */
       USCRIPT_KATAKANA_OR_HIRAGANA = 54,/*Hrkt */
 
-      /* New scripts in Unicode 4.1 @stable ICU 3.4 */
+      /* New scripts in Unicode 4.1 */
+      /** @stable ICU 3.4 */
       USCRIPT_BUGINESE      = 55, /* Bugi */
+      /** @stable ICU 3.4 */
       USCRIPT_GLAGOLITIC    = 56, /* Glag */
+      /** @stable ICU 3.4 */
       USCRIPT_KHAROSHTHI    = 57, /* Khar */
+      /** @stable ICU 3.4 */
       USCRIPT_SYLOTI_NAGRI  = 58, /* Sylo */
+      /** @stable ICU 3.4 */
       USCRIPT_NEW_TAI_LUE   = 59, /* Talu */
+      /** @stable ICU 3.4 */
       USCRIPT_TIFINAGH      = 60, /* Tfng */
+      /** @stable ICU 3.4 */
       USCRIPT_OLD_PERSIAN   = 61, /* Xpeo */
 
-      /* New script codes from ISO 15924 @stable ICU 3.6 */
+      /* New script codes from ISO 15924 */
+      /** @stable ICU 3.6 */
       USCRIPT_BALINESE                      = 62, /* Bali */
+      /** @stable ICU 3.6 */
       USCRIPT_BATAK                         = 63, /* Batk */
+      /** @stable ICU 3.6 */
       USCRIPT_BLISSYMBOLS                   = 64, /* Blis */
+      /** @stable ICU 3.6 */
       USCRIPT_BRAHMI                        = 65, /* Brah */
+      /** @stable ICU 3.6 */
       USCRIPT_CHAM                          = 66, /* Cham */
+      /** @stable ICU 3.6 */
       USCRIPT_CIRTH                         = 67, /* Cirt */
+      /** @stable ICU 3.6 */
       USCRIPT_OLD_CHURCH_SLAVONIC_CYRILLIC  = 68, /* Cyrs */
+      /** @stable ICU 3.6 */
       USCRIPT_DEMOTIC_EGYPTIAN              = 69, /* Egyd */
+      /** @stable ICU 3.6 */
       USCRIPT_HIERATIC_EGYPTIAN             = 70, /* Egyh */
+      /** @stable ICU 3.6 */
       USCRIPT_EGYPTIAN_HIEROGLYPHS          = 71, /* Egyp */
+      /** @stable ICU 3.6 */
       USCRIPT_KHUTSURI                      = 72, /* Geok */
+      /** @stable ICU 3.6 */
       USCRIPT_SIMPLIFIED_HAN                = 73, /* Hans */
+      /** @stable ICU 3.6 */
       USCRIPT_TRADITIONAL_HAN               = 74, /* Hant */
+      /** @stable ICU 3.6 */
       USCRIPT_PAHAWH_HMONG                  = 75, /* Hmng */
+      /** @stable ICU 3.6 */
       USCRIPT_OLD_HUNGARIAN                 = 76, /* Hung */
+      /** @stable ICU 3.6 */
       USCRIPT_HARAPPAN_INDUS                = 77, /* Inds */
+      /** @stable ICU 3.6 */
       USCRIPT_JAVANESE                      = 78, /* Java */
+      /** @stable ICU 3.6 */
       USCRIPT_KAYAH_LI                      = 79, /* Kali */
+      /** @stable ICU 3.6 */
       USCRIPT_LATIN_FRAKTUR                 = 80, /* Latf */
+      /** @stable ICU 3.6 */
       USCRIPT_LATIN_GAELIC                  = 81, /* Latg */
+      /** @stable ICU 3.6 */
       USCRIPT_LEPCHA                        = 82, /* Lepc */
+      /** @stable ICU 3.6 */
       USCRIPT_LINEAR_A                      = 83, /* Lina */
       /** @stable ICU 4.6 */
       USCRIPT_MANDAIC                       = 84, /* Mand */
       /** @stable ICU 3.6 */
       USCRIPT_MANDAEAN                      = USCRIPT_MANDAIC,
+      /** @stable ICU 3.6 */
       USCRIPT_MAYAN_HIEROGLYPHS             = 85, /* Maya */
       /** @stable ICU 4.6 */
       USCRIPT_MEROITIC_HIEROGLYPHS          = 86, /* Mero */
       /** @stable ICU 3.6 */
       USCRIPT_MEROITIC                      = USCRIPT_MEROITIC_HIEROGLYPHS,
+      /** @stable ICU 3.6 */
       USCRIPT_NKO                           = 87, /* Nkoo */
+      /** @stable ICU 3.6 */
       USCRIPT_ORKHON                        = 88, /* Orkh */
+      /** @stable ICU 3.6 */
       USCRIPT_OLD_PERMIC                    = 89, /* Perm */
+      /** @stable ICU 3.6 */
       USCRIPT_PHAGS_PA                      = 90, /* Phag */
+      /** @stable ICU 3.6 */
       USCRIPT_PHOENICIAN                    = 91, /* Phnx */
-      USCRIPT_PHONETIC_POLLARD              = 92, /* Plrd */
+      /** @stable ICU 52 */
+      USCRIPT_MIAO                          = 92, /* Plrd */
+      /** @stable ICU 3.6 */
+      USCRIPT_PHONETIC_POLLARD              = USCRIPT_MIAO,
+      /** @stable ICU 3.6 */
       USCRIPT_RONGORONGO                    = 93, /* Roro */
+      /** @stable ICU 3.6 */
       USCRIPT_SARATI                        = 94, /* Sara */
+      /** @stable ICU 3.6 */
       USCRIPT_ESTRANGELO_SYRIAC             = 95, /* Syre */
+      /** @stable ICU 3.6 */
       USCRIPT_WESTERN_SYRIAC                = 96, /* Syrj */
+      /** @stable ICU 3.6 */
       USCRIPT_EASTERN_SYRIAC                = 97, /* Syrn */
+      /** @stable ICU 3.6 */
       USCRIPT_TENGWAR                       = 98, /* Teng */
+      /** @stable ICU 3.6 */
       USCRIPT_VAI                           = 99, /* Vaii */
+      /** @stable ICU 3.6 */
       USCRIPT_VISIBLE_SPEECH                = 100,/* Visp */
+      /** @stable ICU 3.6 */
       USCRIPT_CUNEIFORM                     = 101,/* Xsux */
+      /** @stable ICU 3.6 */
       USCRIPT_UNWRITTEN_LANGUAGES           = 102,/* Zxxx */
+      /** @stable ICU 3.6 */
       USCRIPT_UNKNOWN                       = 103,/* Zzzz */ /* Unknown="Code for uncoded script", for unassigned code points */
 
-      /* New script codes from ISO 15924 @stable ICU 3.8 */
+      /* New script codes from ISO 15924 */
+      /** @stable ICU 3.8 */
       USCRIPT_CARIAN                        = 104,/* Cari */
+      /** @stable ICU 3.8 */
       USCRIPT_JAPANESE                      = 105,/* Jpan */
+      /** @stable ICU 3.8 */
       USCRIPT_LANNA                         = 106,/* Lana */
+      /** @stable ICU 3.8 */
       USCRIPT_LYCIAN                        = 107,/* Lyci */
+      /** @stable ICU 3.8 */
       USCRIPT_LYDIAN                        = 108,/* Lydi */
+      /** @stable ICU 3.8 */
       USCRIPT_OL_CHIKI                      = 109,/* Olck */
+      /** @stable ICU 3.8 */
       USCRIPT_REJANG                        = 110,/* Rjng */
+      /** @stable ICU 3.8 */
       USCRIPT_SAURASHTRA                    = 111,/* Saur */
+      /** @stable ICU 3.8 */
       USCRIPT_SIGN_WRITING                  = 112,/* Sgnw */
+      /** @stable ICU 3.8 */
       USCRIPT_SUNDANESE                     = 113,/* Sund */
+      /** @stable ICU 3.8 */
       USCRIPT_MOON                          = 114,/* Moon */
+      /** @stable ICU 3.8 */
       USCRIPT_MEITEI_MAYEK                  = 115,/* Mtei */
 
-      /* New script codes from ISO 15924 @stable ICU 4.0 */
+      /* New script codes from ISO 15924 */
+      /** @stable ICU 4.0 */
       USCRIPT_IMPERIAL_ARAMAIC              = 116,/* Armi */
+      /** @stable ICU 4.0 */
       USCRIPT_AVESTAN                       = 117,/* Avst */
+      /** @stable ICU 4.0 */
       USCRIPT_CHAKMA                        = 118,/* Cakm */
+      /** @stable ICU 4.0 */
       USCRIPT_KOREAN                        = 119,/* Kore */
+      /** @stable ICU 4.0 */
       USCRIPT_KAITHI                        = 120,/* Kthi */
+      /** @stable ICU 4.0 */
       USCRIPT_MANICHAEAN                    = 121,/* Mani */
+      /** @stable ICU 4.0 */
       USCRIPT_INSCRIPTIONAL_PAHLAVI         = 122,/* Phli */
+      /** @stable ICU 4.0 */
       USCRIPT_PSALTER_PAHLAVI               = 123,/* Phlp */
+      /** @stable ICU 4.0 */
       USCRIPT_BOOK_PAHLAVI                  = 124,/* Phlv */
+      /** @stable ICU 4.0 */
       USCRIPT_INSCRIPTIONAL_PARTHIAN        = 125,/* Prti */
+      /** @stable ICU 4.0 */
       USCRIPT_SAMARITAN                     = 126,/* Samr */
+      /** @stable ICU 4.0 */
       USCRIPT_TAI_VIET                      = 127,/* Tavt */
+      /** @stable ICU 4.0 */
       USCRIPT_MATHEMATICAL_NOTATION         = 128,/* Zmth */
+      /** @stable ICU 4.0 */
       USCRIPT_SYMBOLS                       = 129,/* Zsym */
 
-      /* New script codes from ISO 15924 @stable ICU 4.4 */
+      /* New script codes from ISO 15924 */
+      /** @stable ICU 4.4 */
       USCRIPT_BAMUM                         = 130,/* Bamu */
+      /** @stable ICU 4.4 */
       USCRIPT_LISU                          = 131,/* Lisu */
+      /** @stable ICU 4.4 */
       USCRIPT_NAKHI_GEBA                    = 132,/* Nkgb */
+      /** @stable ICU 4.4 */
       USCRIPT_OLD_SOUTH_ARABIAN             = 133,/* Sarb */
 
-      /* New script codes from ISO 15924 @stable ICU 4.6 */
+      /* New script codes from ISO 15924 */
+      /** @stable ICU 4.6 */
       USCRIPT_BASSA_VAH                     = 134,/* Bass */
+      /** @stable ICU 4.6 */
       USCRIPT_DUPLOYAN_SHORTAND             = 135,/* Dupl */
+      /** @stable ICU 4.6 */
       USCRIPT_ELBASAN                       = 136,/* Elba */
+      /** @stable ICU 4.6 */
       USCRIPT_GRANTHA                       = 137,/* Gran */
+      /** @stable ICU 4.6 */
       USCRIPT_KPELLE                        = 138,/* Kpel */
+      /** @stable ICU 4.6 */
       USCRIPT_LOMA                          = 139,/* Loma */
+      /** @stable ICU 4.6 */
       USCRIPT_MENDE                         = 140,/* Mend */
+      /** @stable ICU 4.6 */
       USCRIPT_MEROITIC_CURSIVE              = 141,/* Merc */
+      /** @stable ICU 4.6 */
       USCRIPT_OLD_NORTH_ARABIAN             = 142,/* Narb */
+      /** @stable ICU 4.6 */
       USCRIPT_NABATAEAN                     = 143,/* Nbat */
+      /** @stable ICU 4.6 */
       USCRIPT_PALMYRENE                     = 144,/* Palm */
+      /** @stable ICU 4.6 */
       USCRIPT_SINDHI                        = 145,/* Sind */
+      /** @stable ICU 4.6 */
       USCRIPT_WARANG_CITI                   = 146,/* Wara */
 
+      /** @stable ICU 4.8 */
+      USCRIPT_AFAKA                         = 147,/* Afak */
+      /** @stable ICU 4.8 */
+      USCRIPT_JURCHEN                       = 148,/* Jurc */
+      /** @stable ICU 4.8 */
+      USCRIPT_MRO                           = 149,/* Mroo */
+      /** @stable ICU 4.8 */
+      USCRIPT_NUSHU                         = 150,/* Nshu */
+      /** @stable ICU 4.8 */
+      USCRIPT_SHARADA                       = 151,/* Shrd */
+      /** @stable ICU 4.8 */
+      USCRIPT_SORA_SOMPENG                  = 152,/* Sora */
+      /** @stable ICU 4.8 */
+      USCRIPT_TAKRI                         = 153,/* Takr */
+      /** @stable ICU 4.8 */
+      USCRIPT_TANGUT                        = 154,/* Tang */
+      /** @stable ICU 4.8 */
+      USCRIPT_WOLEAI                        = 155,/* Wole */
+
+      /** @stable ICU 49 */
+      USCRIPT_ANATOLIAN_HIEROGLYPHS         = 156,/* Hluw */
+      /** @stable ICU 49 */
+      USCRIPT_KHOJKI                        = 157,/* Khoj */
+      /** @stable ICU 49 */
+      USCRIPT_TIRHUTA                       = 158,/* Tirh */
+
+      /** @stable ICU 52 */
+      USCRIPT_CAUCASIAN_ALBANIAN            = 159,/* Aghb */
+      /** @stable ICU 52 */
+      USCRIPT_MAHAJANI                      = 160,/* Mahj */
+
       /* Private use codes from Qaaa - Qabx are not supported */
-      USCRIPT_CODE_LIMIT    = 147
+
+      /** @stable ICU 2.2 */
+      USCRIPT_CODE_LIMIT    = 161
 } UScriptCode;
 
 /**
@@ -277,9 +464,9 @@ U_STABLE UScriptCode  U_EXPORT2
 uscript_getScript(UChar32 codepoint, UErrorCode *err);
 
 /**
- * Is code point c used in script sc?
- * That is, does code point c have the Script property value sc,
- * or do code point c's Script_Extensions include script code sc?
+ * Do the Script_Extensions of code point c contain script sc?
+ * If c does not have explicit Script_Extensions, then this tests whether
+ * c has the Script property value sc.
  *
  * Some characters are commonly used in multiple scripts.
  * For more information, see UAX #24: http://www.unicode.org/reports/tr24/.
@@ -288,15 +475,22 @@ uscript_getScript(UChar32 codepoint, UErrorCode *err);
  * in future versions of the Unicode Standard, and thus in ICU.
  * @param c code point
  * @param sc script code
- * @return TRUE if Script(c)==sc or sc is in Script_Extensions(c)
- * @draft ICU 4.6
+ * @return TRUE if sc is in Script_Extensions(c)
+ * @stable ICU 49
  */
-U_DRAFT UBool U_EXPORT2
+U_STABLE UBool U_EXPORT2
 uscript_hasScript(UChar32 c, UScriptCode sc);
 
 /**
  * Writes code point c's Script_Extensions as a list of UScriptCode values
- * to the output scripts array.
+ * to the output scripts array and returns the number of script codes.
+ * - If c does have Script_Extensions, then the Script property value
+ *   (normally Common or Inherited) is not included.
+ * - If c does not have Script_Extensions, then the one Script code is written to the output array.
+ * - If c is not a valid code point, then the one USCRIPT_UNKNOWN code is written.
+ * In other words, if the return value is 1,
+ * then the output array contains exactly c's single Script code.
+ * If the return value is n>=2, then the output array contains c's n Script_Extensions script codes.
  *
  * Some characters are commonly used in multiple scripts.
  * For more information, see UAX #24: http://www.unicode.org/reports/tr24/.
@@ -314,13 +508,120 @@ uscript_hasScript(UChar32 c, UScriptCode sc);
  *                  pass the U_SUCCESS() test, or else the function returns
  *                  immediately. Check for U_FAILURE() on output or use with
  *                  function chaining. (See User Guide for details.)
- * @return number of script codes in c's Script_Extensions,
+ * @return number of script codes in c's Script_Extensions, or 1 for the single Script value,
  *         written to scripts unless U_BUFFER_OVERFLOW_ERROR indicates insufficient capacity
- * @draft ICU 4.6
+ * @stable ICU 49
  */
-U_DRAFT int32_t U_EXPORT2
+U_STABLE int32_t U_EXPORT2
 uscript_getScriptExtensions(UChar32 c,
                             UScriptCode *scripts, int32_t capacity,
-                            UErrorCode *pErrorCode);
+                            UErrorCode *errorCode);
+
+#ifndef U_HIDE_DRAFT_API
+
+/**
+ * Script usage constants.
+ * See UAX #31 Unicode Identifier and Pattern Syntax.
+ * http://www.unicode.org/reports/tr31/#Table_Candidate_Characters_for_Exclusion_from_Identifiers
+ *
+ * @draft ICU 51
+ */
+typedef enum UScriptUsage {
+    /** Not encoded in Unicode. @draft ICU 51 */
+    USCRIPT_USAGE_NOT_ENCODED,
+    /** Unknown script usage. @draft ICU 51 */
+    USCRIPT_USAGE_UNKNOWN,
+    /** Candidate for Exclusion from Identifiers. @draft ICU 51 */
+    USCRIPT_USAGE_EXCLUDED,
+    /** Limited Use script. @draft ICU 51 */
+    USCRIPT_USAGE_LIMITED_USE,
+    /** Aspirational Use script. @draft ICU 51 */
+    USCRIPT_USAGE_ASPIRATIONAL,
+    /** Recommended script. @draft ICU 51 */
+    USCRIPT_USAGE_RECOMMENDED
+} UScriptUsage;
+
+/**
+ * Writes the script sample character string.
+ * This string normally consists of one code point but might be longer.
+ * The string is empty if the script is not encoded.
+ *
+ * @param script script code
+ * @param dest output string array
+ * @param capacity number of UChars in the dest array
+ * @param pErrorCode standard ICU in/out error code, must pass U_SUCCESS() on input
+ * @return the string length, even if U_BUFFER_OVERFLOW_ERROR
+ * @draft ICU 51
+ */
+U_DRAFT int32_t U_EXPORT2
+uscript_getSampleString(UScriptCode script, UChar *dest, int32_t capacity, UErrorCode *pErrorCode);
+
+#if U_SHOW_CPLUSPLUS_API
+
+U_NAMESPACE_BEGIN
+class UnicodeString;
+U_NAMESPACE_END
+
+/**
+ * Returns the script sample character string.
+ * This string normally consists of one code point but might be longer.
+ * The string is empty if the script is not encoded.
+ *
+ * @param script script code
+ * @return the sample character string
+ * @draft ICU 51
+ */
+U_COMMON_API icu::UnicodeString U_EXPORT2
+uscript_getSampleUnicodeString(UScriptCode script);
+
+#endif
+
+/**
+ * Returns the script usage according to UAX #31 Unicode Identifier and Pattern Syntax.
+ * Returns USCRIPT_USAGE_NOT_ENCODED if the script is not encoded in Unicode.
+ *
+ * @param script script code
+ * @return script usage
+ * @see UScriptUsage
+ * @draft ICU 51
+ */
+U_DRAFT UScriptUsage U_EXPORT2
+uscript_getUsage(UScriptCode script);
+
+/**
+ * Returns TRUE if the script is written right-to-left.
+ * For example, Arab and Hebr.
+ *
+ * @param script script code
+ * @return TRUE if the script is right-to-left
+ * @draft ICU 51
+ */
+U_DRAFT UBool U_EXPORT2
+uscript_isRightToLeft(UScriptCode script);
+
+/**
+ * Returns TRUE if the script allows line breaks between letters (excluding hyphenation).
+ * Such a script typically requires dictionary-based line breaking.
+ * For example, Hani and Thai.
+ *
+ * @param script script code
+ * @return TRUE if the script allows line breaks between letters
+ * @draft ICU 51
+ */
+U_DRAFT UBool U_EXPORT2
+uscript_breaksBetweenLetters(UScriptCode script);
+
+/**
+ * Returns TRUE if in modern (or most recent) usage of the script case distinctions are customary.
+ * For example, Latn and Cyrl.
+ *
+ * @param script script code
+ * @return TRUE if the script is cased
+ * @draft ICU 51
+ */
+U_DRAFT UBool U_EXPORT2
+uscript_isCased(UScriptCode script);
+
+#endif  /* U_HIDE_DRAFT_API */
 
 #endif