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AUTHORS
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2016-11-11 16:23:40
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NEWS
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2022-10-16 02:43:16
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README
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editing: NEWS
New in 1.1: * The data tables and algorithms have been updated to Unicode version 15.0.0. New in 1.0: * The license has changed from "LGPLv3+ or GPLv2" to "LGPLv3+ or GPLv2+". * The data tables and algorithms have been updated to Unicode version 14.0.0. * The functions u8_uctomb, u16_uctomb, u32_uctomb now support strings larger than 2 GiB by taking an 'n' argument of type ptrdiff_t (instead of int). * The functions u*_possible_linebreaks and u*_width_linebreaks now make it easier to work with strings that contain CR-LF sequences: In this case, in the returned array, it will return UC_BREAK_CR_BEFORE_LF followed by UC_BREAK_MANDATORY (instead of twice UC_BREAK_MANDATORY). * There are new properties for recognizing pictographic symbols and regional indicators: - UC_PROPERTY_EMOJI uc_is_property_emoji - UC_PROPERTY_EMOJI_PRESENTATION uc_is_property_emoji_presentation - UC_PROPERTY_EMOJI_MODIFIER uc_is_property_emoji_modifier - UC_PROPERTY_EMOJI_MODIFIER_BASE uc_is_property_emoji_modifier_base - UC_PROPERTY_EMOJI_COMPONENT uc_is_property_emoji_component - UC_PROPERTY_EXTENDED_PICTOGRAPHIC uc_is_property_extended_pictographic - UC_PROPERTY_REGIONAL_INDICATOR uc_is_property_regional_indicator * Fixed multithread-safety bugs on Cygwin, native Windows, and Haiku. New in 0.9.10: * The functions u8_casing_prefix_context, u8_casing_prefixes_context, u8_casing_suffix_context, u8_casing_suffixes_context, u16_casing_prefix_context, u16_casing_prefixes_context, u16_casing_suffix_context, u16_casing_suffixes_context, u32_casing_prefix_context, u32_casing_prefixes_context, u32_casing_suffix_context, u32_casing_suffixes_context, that are documented since version 0.9.1, are now actually implemented. New in 0.9.9: * Fixed a multithread-safety bug. New in 0.9.8: * The data tables and line breaking algorithm have been updated to Unicode version 9.0.0. * In the include file unigbrk.h, the function uc_grapheme_breaks has been added to accommodate the new UAX#29 rules involving 3 or more consecutive characters. New in 0.9.7: * The license has changed from LGPLv3+ to "LGPLv3+ or GPLv2" New in 0.9.6: * The data tables and line breaking algorithm have been updated to Unicode version 8.0.0. New in 0.9.5: * The data tables and line breaking algorithm have been updated to Unicode version 7.0.0. * In the include file uniname.h, the function unicode_name_character has been extended to look for name aliases. New in 0.9.4: * The data tables and line breaking algorithm have been updated to Unicode version 6.0.0. * A new include file unigbrk.h is provided. It declares functions for grapheme cluster breaking, that is, determining the boundaries between graphemes. See the documentation chapter "Grapheme cluster breaks in strings" for details. * In the include file unictype.h, constants are defined for the group of general categories LC ("Cased Letter"). * In the include file unictype.h, functions for associating canonical combining classes with names have been added: uc_combining_class_name uc_combining_class_long_name uc_combining_class_byname * In the include file unictype.h, functions for the Arabic joining type and the Arabic joining group have been added: uc_joining_type_name uc_joining_type_long_name uc_joining_type_byname uc_joining_type uc_joining_group_name uc_joining_group_byname uc_joining_group * In the include file unictype.h, functions for new predefined properties have been added: uc_is_property_cased uc_is_property_case_ignorable uc_is_property_changes_when_lowercased uc_is_property_changes_when_uppercased uc_is_property_changes_when_titlecased uc_is_property_changes_when_casefolded uc_is_property_changes_when_casemapped But it's recommended to use the case mapping functions from unicase.h instead. * In the include file unictype.h, the functions for bidi class, formerly known as bidirectional category, have been renamed: uc_bidi_category_name -> uc_bidi_class_name uc_bidi_category_byname -> uc_bidi_class_byname uc_bidi_category -> uc_bidi_class uc_is_bidi_category -> uc_is_bidi_class The old function names still exist, but are obsolete. * In the include file unictype.h, functions for returning long names of property values have been added: uc_general_category_long_name uc_bidi_class_long_name The functions uc_general_category_byname uc_bidi_class_byname have been extended to recognize long names as well as short names. * It is now easier to detect the subminor version: The value of the variable _libunistring_version and of the macro _LIBUNISTRING_VERSION now includes also the subminor version. * The functions u8_mbtouc and u8_mbtouc_unsafe now handle ill-formed UTF-8 input in a better way, that is more compliant with W3C recommendations. * The functions u8_strcoll, u16_strcoll, u32_strcoll now produce results that are less dependent on the iconv implementation in use. * The functions u8_strstr, u16_strstr, u32_strstr now perform in O(n) time worst-case, where n is the sum of the lengths of the argument strings. New in 0.9.3: * Bug fixes in unistr.h functions: - The functions u16_to_u32, u16_to_u8, u8_to_u32, u8_to_u16 now fail when the argument is not valid. Previously, they returned a converted string where invalid parts were each replaced with U+FFFD. - The function u8_mbsnlen now counts an incomplete character at the end of the argument string as 1 character. Previously, it could count as 2 or 3 characters. - The return value of the u8_stpncpy, u16_stpncpy, u32_stpncpy functions was incorrect. - The u8_strcoll, u16_strcoll, u32_strcoll now try harder to give a non-zero return value. * Portability to MacOS X 10.6 and Cygwin 1.7. New in 0.9.2: * The function uc_locale_language now uses the locale of the current thread, if a thread-specific locale has been set. New in 0.9.1: * In the include file unicase.h, functions for case mapping of substrings have been added. New in 0.9: * The new include file unicase.h implements case folding. * The new include file uninorm.h implements normalization. * The new include file uniwbrk.h implements word break determination. * The library source code is now part of gnulib.
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