ICU 56 step 5: Apply the remaining local patches

README.chromium

 Name: icu
 URL: http://site.icu-project.org/
 Version: 56.1
 License: MIT
 Security Critical: yes
 
 ***NOTE***
 ICU is in the middle of being updated to 56.1 and does not work, yet.
 If you have an urgent fix to apply, contact jshin@chromium.org to
 create a branch for 54.1 to apply a fix on top of.
@@ skipping 24 matching lines @@
   - upstream bugs
     http://bugs.icu-project.org/trac/ticket/11986
     http://bugs.icu-project.org/trac/ticket/12031
     http://bugs.icu-project.org/trac/ticket/12030
     http://bugs.icu-project.org/trac/ticket/12041
 
   - patches/relative_date.patch from Android
     https://android.googlesource.com/platform/external/icu/+/f9ffd5b%5E%21
 
 3. Breakiterator patches
+  - patches/linebrk.patch
+      a. Drop *_loose.txt for all locales and use the corresponding normal.txt
+      b. Drop local patches we used to have for the following issues. They'll
+         be dealt with in the upstream (Unicode/CLDR).
+         http://unicode.org/cldr/trac/ticket/6557
+         http://unicode.org/cldr/trac/ticket/4200 (http://crbug.com/39779)
 
-  - Apply patches/brkitr.patch
+  - patches/wordbrk.patch
     * word.txt
       a. Move full stops (U+002E, U+FF0E) from MidNumLet to MidNum so that
          FQDN labels can be split at '.'
       b. Move fullwidth digits (U+FF10 - U+FF19) from Ideographic to Numeric.
          See http://unicode.org/cldr/trac/ticket/6555
-    * line.txt
-      a. Use Japanese rules for all locales because Japanese tailoring only
-         affects Japanese specific characters.
-         See http://unicode.org/cldr/trac/ticket/3974
-      b. Minor changes in CL, OP and IS definitions to handle 'comma-variants'
-         more consistenly.
-         See http://unicode.org/cldr/trac/ticket/6557
-      c. Fix line breaking for Chinese characters and quotation marks
-         See http://unicode.org/cldr/trac/ticket/4200 and
-             http://crbug.com/39779
 
   - Add a new file brklocal.mk (copied from brkfiles.mk) with line_ja.txt
     and word_POSIX.txt dropped from the build list.
 
   - Apply patches/khmer-dictbe.patch and put in a smaller Khmer dictionary
     (source/data/brkitr/khmerdict.txt) obtained from
     http://bugs.icu-project.org/trac/ticket/9451
 
   - Add several common Chinese words that were dropped previously to
     source/data/cjdict/brkitr/cjdict.txt
@@ skipping 22 matching lines @@
       scripts/{eucjp,sjis,big5,single_byte}_gen.sh
 
   - gb_table.patch
     1. Map \xA3\xA0 to U+3000 instead of U+E5E5 in gb18030 and windows-936 per
     the encoding spec (one-way mapping in toUnicode direction).
     2. Map \xA8\xBF to U+01F9 instead of U+E7C8. Add one-way map
     from U+1E3F to \xA8\xBC (windows-936/GBK).
        See https://www.w3.org/Bugs/Public/show_bug.cgi?id=28740#c3
 
   - uconv.patch
-    a. ISO-2022-JP-[1-4] is dropped.
-    b. SCSU, BOCU, ISCII, UTF-7, LMB, ibm42*, ISO-2022-{KR,CN*} and HZ-GB  :
-       converters and detectors are dropped leading to the ~100kB reduction
-       in the code size.
+    http://www.icu-project.org/trac/ticket/11296 (uconv.patch)
 
-  - Upstream bugs
-    http://www.icu-project.org/trac/ticket/11296 (uconv.patch)
-    http://www.icu-project.org/trac/ticket/10303 (html5 encoding tables)
-
-    uconv.patch was landed in the upstream and is in 55 RC with the build
+    It was landed in the upstream and is in 55 RC with the build
     config changed to UCONFIG_ONLY_HTML_CONVERSION.
 
 
 5. Locale changes
 
   - Locale build configuration files: To include the full locale data
     for Chrome's UI languages and the minimum locale data for other locales,
     add reslocal.mk or {trns,sprep,rbnf,coll}local.mk files to
     source/data/{coll,curr,lang.locale,curr,region,translit,zone,rbnf,sprep}.
 
@@ skipping 45 matching lines @@
      TRANSLIT_SOURCE=css3transform.txt
 
 8. Build-related changes
 
   - patches/wpo.patch
     upstream bugs : http://bugs.icu-project.org/trac/ticket/8043
                     http://bugs.icu-project.org/trac/ticket/5701
   - patches/vscomp.patch for building with Visual Studio on Windows.
      a. do not use WINDOWS_LOCALE_API in locmap.c
      b. do not redefine stringpiece::npos
-     c. Fix 'signed vs unsigned comparison' warning in
-        collationfastlatin.cpp. The upstream ToT does not have these lines
-        any more.
-     d. Add static_cast to avoid a possible data truncatiion warning
-        upstream bug (fixed in the upstream 55 RC)
-        http://bugs.icu-project.org/trac/ticket/11104
 
   - patches/data.build.patch :
       Remove unnecessary resources : unames, collator rule source
   - patches/data.build.win.patch :
       Windows-only data build patch.
   - patches/data_symb.patch :
       Put ICU_DATA_ENTRY_POINT(icudtXX_dat) in common when we use
       the icu data file or icudt.dll
 
 9. Pre-built data files are checked in with the following steps on Linux:
@@ skipping 61 matching lines @@
 
 15. Apply a timezone detection API fix
   - patches/tzdetect.patch
   - upstream bugs
     http://bugs.icu-project.org/trac/ticket/11623
 
 23. Fix 'bad cast' found in Transliterator with a cfi build
   - patches/xlit_badcast.patch
   - upstream bug (yet to be resolved)
     http://bugs.icu-project.org/trac/ticket/11937