1The utf8data.h file in this directory is generated from the Unicode 2Character Database for version 12.1.0 of the Unicode standard. 3 4The full set of files can be found here: 5 6 http://www.unicode.org/Public/12.1.0/ucd/ 7 8Note! 9 10The URL's listed below are not stable. That's because Unicode 12.1.0 11has not been officially released yet; it is scheduled to be released 12on May 8, 2019. We taking Unicode 12.1.0 a few weeks early because it 13contains a new Japanese character which is required in order to 14specify Japenese dates after May 1, 2019, when Crown Prince Naruhito 15ascends to the Chrysanthemum Throne. (Isn't internationalization fun? 16The abdication of Emperor Akihito of Japan is requiring dozens of 17software packages to be updated with only a month's notice. :-) 18 19We will update the URL's (and any needed changes to the checksums) 20after the final Unicode 12.1.0 is released. 21 22Individual source links: 23 24 https://www.unicode.org/Public/12.1.0/ucd/CaseFolding-12.1.0d2.txt 25 https://www.unicode.org/Public/12.1.0/ucd/DerivedAge-12.1.0d3.txt 26 https://www.unicode.org/Public/12.1.0/ucd/extracted/DerivedCombiningClass-12.1.0d2.txt 27 https://www.unicode.org/Public/12.1.0/ucd/DerivedCoreProperties-12.1.0d2.txt 28 https://www.unicode.org/Public/12.1.0/ucd/NormalizationCorrections-12.1.0d1.txt 29 https://www.unicode.org/Public/12.1.0/ucd/NormalizationTest-12.1.0d3.txt 30 https://www.unicode.org/Public/12.1.0/ucd/UnicodeData-12.1.0d2.txt 31 32md5sums (verify by running "md5sum -c README.utf8data"): 33 34 900e76da1d822a160fd6b8c0b1d70094 CaseFolding.txt 35 131256380bff4fea8ad4a851616f2f10 DerivedAge.txt 36 e731a4089b30002144e107e3d6f8d1fa DerivedCombiningClass.txt 37 a47c9fbd7ff92a9b261ba9831e68778a DerivedCoreProperties.txt 38 fcab6dad15e440879d92f315978f93d3 NormalizationCorrections.txt 39 f9ff1c55a60decf436100f791b44aa98 NormalizationTest.txt 40 755f6af699f8c8d2d958da411f78f6c6 UnicodeData.txt 41 42sha1sums (verify by running "sha1sum -c README.utf8data"): 43 44 dc9245f6803c4ac99555c361f5052e0b13eb779b CaseFolding.txt 45 3281104f237184cdb5d869e86eb8573678ada7da DerivedAge.txt 46 2f5f995ccb96e0fa84b15151b35d5e2681535175 DerivedCombiningClass.txt 47 5b8698a3fcd5018e1987f296b02e2c17e696415e DerivedCoreProperties.txt 48 cd83935fbc012345d8792d2c704f69497e753835 NormalizationCorrections.txt 49 ea419aae505b337b0d99a83fa83fe58ddff7c19f NormalizationTest.txt 50 dc973c0fc93d6f09d9ab9f70d1c9f89c447f0526 UnicodeData.txt 51 52 53To update to the newer version of the Unicode standard, the latest 54released version of the UCD can be found here: 55 56 http://www.unicode.org/Public/UCD/latest/ 57 58Then, build under fs/unicode/ with REGENERATE_UTF8DATA=1: 59 60 make REGENERATE_UTF8DATA=1 fs/unicode/ 61 62After sanity checking the newly generated utf8data.h file (the 63version generated from the 12.1.0 UCD should be 4,109 lines long, and 64have a total size of 324k) and/or comparing it with the older version 65of utf8data.h_shipped, rename it to utf8data.h_shipped. 66 67If you are a kernel developer updating to a newer version of the 68Unicode Character Database, please update this README.utf8data file 69with the version of the UCD that was used, the md5sum and sha1sums of 70the *.txt files, before checking in the new versions of the utf8data.h 71and README.utf8data files. 72