diff --git a/3party/icu/CMakeLists.txt b/3party/icu/CMakeLists.txt
index 85432e5fd6..df28d652ca 100644
--- a/3party/icu/CMakeLists.txt
+++ b/3party/icu/CMakeLists.txt
@@ -8,66 +8,17 @@ add_definitions(
   -DU_NO_DEFAULT_INCLUDE_UTF_HEADERS
   -DU_DISABLE_RENAMING)
 
-add_compile_options(
-  "-Wall"
-)
-
 set(CMAKE_PREFIX_PATH ./)
 
 include_directories(common i18n common/unicode ./)
 
 set(
   SRC
-  common/cmemory.c
-  common/cstring.c
-  common/cwchar.c
-  common/icudataver.c
-  common/locmap.c
-  common/propsvec.c
-  common/uarrsort.c
-  common/ubidi.c
-  common/ubidi_props.c
-  common/ubidiln.c
-  common/ubidiwrt.c
-  common/ucat.c
-  common/uchar.c
-  common/ucmndata.c
-  common/ucnv.c
-  common/ucnv_cb.c
-  common/ucnv_cnv.c
-  common/ucnv_ct.c
-  common/ucnv_err.c
-  common/ucnv_lmb.c
-  common/ucnv_set.c
-  common/ucnv_u16.c
-  common/ucnv_u32.c
-  common/ucnv_u7.c
-  common/ucnv_u8.c
-  common/ucnvdisp.c
-  common/ucnvhz.c
-  common/ucnvisci.c
-  common/ucnvlat1.c
-  common/ucnvscsu.c
-  common/udatamem.c
-  common/udataswp.c
-  common/uenum.c
-  common/uhash.c
-  common/uinvchar.c
-  common/ulist.c
-  common/uloc_tag.c
-  common/umapfile.c
-  common/umath.c
-  common/ures_cnv.c
-  common/usc_impl.c
-  common/uscript.c
-  common/ustrfmt.c
-  common/utf_impl.c
-  common/utrace.c
-  common/utypes.c
-  common/wintz.c
   common/appendable.cpp
   common/bmpset.cpp
+  common/bmpset.h
   common/brkeng.cpp
+  common/brkeng.h
   common/brkiter.cpp
   common/bytestream.cpp
   common/bytestrie.cpp
@@ -76,330 +27,277 @@ set(
   common/caniter.cpp
   common/chariter.cpp
   common/charstr.cpp
+  common/charstr.h
+  common/cmemory.c
+  common/cmemory.h
+  common/cpputils.h
   common/cstr.cpp
+  common/cstr.h
+  common/cstring.c
+  common/cstring.h
+  common/cwchar.c
+  common/cwchar.h
   common/dictbe.cpp
+  common/dictbe.h
   common/dictionarydata.cpp
+  common/dictionarydata.h
   common/dtintrv.cpp
   common/errorcode.cpp
   common/filteredbrk.cpp
   common/filterednormalizer2.cpp
+  common/hash.h
+  common/icudataver.c
   common/icuplug.cpp
+  common/icuplugimp.h
   common/listformatter.cpp
   common/loadednormalizer2impl.cpp
+  common/localsvc.h
   common/locavailable.cpp
   common/locbased.cpp
+  common/locbased.h
   common/locdispnames.cpp
   common/locdspnm.cpp
   common/locid.cpp
   common/loclikely.cpp
+  common/locmap.c
+  common/locmap.h
   common/locresdata.cpp
   common/locutil.cpp
+  common/locutil.h
+  common/messageimpl.h
   common/messagepattern.cpp
+  common/msvcres.h
+  common/mutex.h
+  common/norm2_nfc_data.h
+  common/norm2allmodes.h
   common/normalizer2.cpp
   common/normalizer2impl.cpp
+  common/normalizer2impl.h
   common/normlzr.cpp
   common/parsepos.cpp
   common/patternprops.cpp
+  common/patternprops.h
   common/pluralmap.cpp
+  common/pluralmap.h
   common/propname.cpp
+  common/propname.h
+  common/propname_data.h
+  common/propsvec.c
+  common/propsvec.h
   common/punycode.cpp
+  common/punycode.h
   common/putil.cpp
+  common/putilimp.h
   common/rbbi.cpp
+  common/rbbicst.pl
   common/rbbidata.cpp
+  common/rbbidata.h
   common/rbbinode.cpp
+  common/rbbinode.h
   common/rbbirb.cpp
+  common/rbbirb.h
+  common/rbbirpt.h
+  common/rbbirpt.txt
   common/rbbiscan.cpp
+  common/rbbiscan.h
   common/rbbisetb.cpp
+  common/rbbisetb.h
   common/rbbistbl.cpp
   common/rbbitblb.cpp
+  common/rbbitblb.h
   common/resbund.cpp
   common/resbund_cnv.cpp
   common/resource.cpp
+  common/resource.h
   common/ruleiter.cpp
+  common/ruleiter.h
   common/schriter.cpp
   common/serv.cpp
+  common/serv.h
   common/servlk.cpp
   common/servlkf.cpp
+  common/servloc.h
   common/servls.cpp
   common/servnotf.cpp
+  common/servnotf.h
   common/servrbf.cpp
   common/servslkf.cpp
   common/sharedobject.cpp
+  common/sharedobject.h
   common/simpleformatter.cpp
+  common/sprpimpl.h
   common/stringpiece.cpp
   common/stringtriebuilder.cpp
+  common/uarrsort.c
+  common/uarrsort.h
+  common/uassert.h
+  common/ubidi.c
+  common/ubidi_props.c
+  common/ubidi_props.h
+  common/ubidi_props_data.h
+  common/ubidiimp.h
+  common/ubidiln.c
+  common/ubidiwrt.c
   common/ubrk.cpp
+  common/ubrkimpl.h
   common/ucase.cpp
+  common/ucase.h
+  common/ucase_props_data.h
   common/ucasemap.cpp
   common/ucasemap_titlecase_brkiter.cpp
+  common/ucat.c
+  common/uchar.c
+  common/uchar_props_data.h
   common/ucharstrie.cpp
   common/ucharstriebuilder.cpp
   common/ucharstrieiterator.cpp
   common/uchriter.cpp
+  common/ucln.h
   common/ucln_cmn.cpp
+  common/ucln_cmn.h
+  common/ucln_imp.h
+  common/ucmndata.c
+  common/ucmndata.h
+  common/ucnv.c
   common/ucnv2022.cpp
   common/ucnv_bld.cpp
+  common/ucnv_bld.h
+  common/ucnv_cb.c
+  common/ucnv_cnv.c
+  common/ucnv_cnv.h
+  common/ucnv_ct.c
+  common/ucnv_err.c
   common/ucnv_ext.cpp
+  common/ucnv_ext.h
+  common/ucnv_imp.h
   common/ucnv_io.cpp
+  common/ucnv_io.h
+  common/ucnv_lmb.c
+  common/ucnv_set.c
+  common/ucnv_u16.c
+  common/ucnv_u32.c
+  common/ucnv_u7.c
+  common/ucnv_u8.c
   common/ucnvbocu.cpp
+  common/ucnvdisp.c
+  common/ucnvhz.c
+  common/ucnvisci.c
+  common/ucnvlat1.c
   common/ucnvmbcs.cpp
+  common/ucnvmbcs.h
+  common/ucnvscsu.c
   common/ucnvsel.cpp
+  common/ucol_data.h
   common/ucol_swp.cpp
+  common/ucol_swp.h
   common/ucurr.cpp
+  common/ucurrimp.h
   common/udata.cpp
+  common/udatamem.c
+  common/udatamem.h
+  common/udataswp.c
+  common/udataswp.h
+  common/uelement.h
+  common/uenum.c
+  common/uenumimp.h
+  common/uhash.c
+  common/uhash.h
   common/uhash_us.cpp
   common/uidna.cpp
   common/uinit.cpp
+  common/uinvchar.c
+  common/uinvchar.h
   common/uiter.cpp
+  common/ulist.c
+  common/ulist.h
   common/ulistformatter.cpp
   common/uloc.cpp
   common/uloc_keytype.cpp
+  common/uloc_tag.c
+  common/ulocimp.h
+  common/umapfile.c
+  common/umapfile.h
+  common/umath.c
   common/umutex.cpp
+  common/umutex.h
   common/unames.cpp
   common/unifiedcache.cpp
+  common/unifiedcache.h
   common/unifilt.cpp
   common/unifunct.cpp
   common/uniset.cpp
   common/uniset_closure.cpp
   common/uniset_props.cpp
   common/unisetspan.cpp
+  common/unisetspan.h
   common/unistr.cpp
   common/unistr_case.cpp
   common/unistr_case_locale.cpp
   common/unistr_cnv.cpp
   common/unistr_props.cpp
   common/unistr_titlecase_brkiter.cpp
+  common/unistrappender.h
   common/unorm.cpp
   common/unormcmp.cpp
+  common/unormimp.h
   common/uobject.cpp
+  common/uposixdefs.h
   common/uprops.cpp
+  common/uprops.h
+  common/ures_cnv.c
   common/uresbund.cpp
   common/uresdata.cpp
+  common/uresdata.h
+  common/uresimp.h
+  common/ureslocs.h
+  common/usc_impl.c
+  common/usc_impl.h
+  common/uscript.c
   common/uscript_props.cpp
   common/uset.cpp
+  common/uset_imp.h
   common/uset_props.cpp
   common/usetiter.cpp
   common/ushape.cpp
   common/usprep.cpp
   common/ustack.cpp
   common/ustr_cnv.cpp
+  common/ustr_cnv.h
+  common/ustr_imp.h
   common/ustr_titlecase_brkiter.cpp
   common/ustr_wcs.cpp
   common/ustrcase.cpp
   common/ustrcase_locale.cpp
   common/ustrenum.cpp
+  common/ustrenum.h
+  common/ustrfmt.c
+  common/ustrfmt.h
   common/ustring.cpp
   common/ustrtrns.cpp
   common/utext.cpp
+  common/utf_impl.c
   common/util.cpp
+  common/util.h
   common/util_props.cpp
+  common/utrace.c
+  common/utracimp.h
   common/utrie.cpp
+  common/utrie.h
   common/utrie2.cpp
+  common/utrie2.h
   common/utrie2_builder.cpp
+  common/utrie2_impl.h
   common/uts46.cpp
+  common/utypeinfo.h
+  common/utypes.c
   common/uvector.cpp
+  common/uvector.h
   common/uvectr32.cpp
+  common/uvectr32.h
   common/uvectr64.cpp
-  i18n/decContext.c
-  i18n/decNumber.c
-  i18n/ulocdata.c
-  i18n/utmscale.c
-  i18n/affixpatternparser.cpp
-  i18n/alphaindex.cpp
-  i18n/anytrans.cpp
-  i18n/astro.cpp
-  i18n/basictz.cpp
-  i18n/bocsu.cpp
-  i18n/brktrans.cpp
-  i18n/buddhcal.cpp
-  i18n/calendar.cpp
-  i18n/casetrn.cpp
-  i18n/cecal.cpp
-  i18n/chnsecal.cpp
-  i18n/choicfmt.cpp
-  i18n/coleitr.cpp
-  i18n/coll.cpp
-  i18n/collation.cpp
-  i18n/collationbuilder.cpp
-  i18n/collationcompare.cpp
-  i18n/collationdata.cpp
-  i18n/collationdatabuilder.cpp
-  i18n/collationdatareader.cpp
-  i18n/collationdatawriter.cpp
-  i18n/collationfastlatin.cpp
-  i18n/collationfastlatinbuilder.cpp
-  i18n/collationfcd.cpp
-  i18n/collationiterator.cpp
-  i18n/collationkeys.cpp
-  i18n/collationroot.cpp
-  i18n/collationrootelements.cpp
-  i18n/collationruleparser.cpp
-  i18n/collationsets.cpp
-  i18n/collationsettings.cpp
-  i18n/collationtailoring.cpp
-  i18n/collationweights.cpp
-  i18n/compactdecimalformat.cpp
-  i18n/coptccal.cpp
-  i18n/cpdtrans.cpp
-  i18n/csdetect.cpp
-  i18n/csmatch.cpp
-  i18n/csr2022.cpp
-  i18n/csrecog.cpp
-  i18n/csrmbcs.cpp
-  i18n/csrsbcs.cpp
-  i18n/csrucode.cpp
-  i18n/csrutf8.cpp
-  i18n/curramt.cpp
-  i18n/currfmt.cpp
-  i18n/currpinf.cpp
-  i18n/currunit.cpp
-  i18n/dangical.cpp
-  i18n/datefmt.cpp
-  i18n/dayperiodrules.cpp
-  i18n/dcfmtsym.cpp
-  i18n/decfmtst.cpp
-  i18n/decimalformatpattern.cpp
-  i18n/decimfmt.cpp
-  i18n/decimfmtimpl.cpp
-  i18n/digitaffix.cpp
-  i18n/digitaffixesandpadding.cpp
-  i18n/digitformatter.cpp
-  i18n/digitgrouping.cpp
-  i18n/digitinterval.cpp
-  i18n/digitlst.cpp
-  i18n/dtfmtsym.cpp
-  i18n/dtitvfmt.cpp
-  i18n/dtitvinf.cpp
-  i18n/dtptngen.cpp
-  i18n/dtrule.cpp
-  i18n/esctrn.cpp
-  i18n/ethpccal.cpp
-  i18n/fmtable.cpp
-  i18n/fmtable_cnv.cpp
-  i18n/format.cpp
-  i18n/fphdlimp.cpp
-  i18n/fpositer.cpp
-  i18n/funcrepl.cpp
-  i18n/gender.cpp
-  i18n/gregocal.cpp
-  i18n/gregoimp.cpp
-  i18n/hebrwcal.cpp
-  i18n/identifier_info.cpp
-  i18n/indiancal.cpp
-  i18n/inputext.cpp
-  i18n/islamcal.cpp
-  i18n/japancal.cpp
-  i18n/measfmt.cpp
-  i18n/measunit.cpp
-  i18n/measure.cpp
-  i18n/msgfmt.cpp
-  i18n/name2uni.cpp
-  i18n/nfrs.cpp
-  i18n/nfrule.cpp
-  i18n/nfsubs.cpp
-  i18n/nortrans.cpp
-  i18n/nultrans.cpp
-  i18n/numfmt.cpp
-  i18n/numsys.cpp
-  i18n/olsontz.cpp
-  i18n/persncal.cpp
-  i18n/pluralaffix.cpp
-  i18n/plurfmt.cpp
-  i18n/plurrule.cpp
-  i18n/precision.cpp
-  i18n/quant.cpp
-  i18n/quantityformatter.cpp
-  i18n/rbnf.cpp
-  i18n/rbt.cpp
-  i18n/rbt_data.cpp
-  i18n/rbt_pars.cpp
-  i18n/rbt_rule.cpp
-  i18n/rbt_set.cpp
-  i18n/rbtz.cpp
-  i18n/regexcmp.cpp
-  i18n/regeximp.cpp
-  i18n/regexst.cpp
-  i18n/regextxt.cpp
-  i18n/region.cpp
-  i18n/reldatefmt.cpp
-  i18n/reldtfmt.cpp
-  i18n/rematch.cpp
-  i18n/remtrans.cpp
-  i18n/repattrn.cpp
-  i18n/rulebasedcollator.cpp
-  i18n/scientificnumberformatter.cpp
-  i18n/scriptset.cpp
-  i18n/search.cpp
-  i18n/selfmt.cpp
-  i18n/sharedbreakiterator.cpp
-  i18n/simpletz.cpp
-  i18n/smallintformatter.cpp
-  i18n/smpdtfmt.cpp
-  i18n/smpdtfst.cpp
-  i18n/sortkey.cpp
-  i18n/standardplural.cpp
-  i18n/strmatch.cpp
-  i18n/strrepl.cpp
-  i18n/stsearch.cpp
-  i18n/taiwncal.cpp
-  i18n/timezone.cpp
-  i18n/titletrn.cpp
-  i18n/tmunit.cpp
-  i18n/tmutamt.cpp
-  i18n/tmutfmt.cpp
-  i18n/tolowtrn.cpp
-  i18n/toupptrn.cpp
-  i18n/translit.cpp
-  i18n/transreg.cpp
-  i18n/tridpars.cpp
-  i18n/tzfmt.cpp
-  i18n/tzgnames.cpp
-  i18n/tznames.cpp
-  i18n/tznames_impl.cpp
-  i18n/tzrule.cpp
-  i18n/tztrans.cpp
-  i18n/ucal.cpp
-  i18n/ucln_in.cpp
-  i18n/ucol.cpp
-  i18n/ucol_res.cpp
-  i18n/ucol_sit.cpp
-  i18n/ucoleitr.cpp
-  i18n/ucsdet.cpp
-  i18n/udat.cpp
-  i18n/udateintervalformat.cpp
-  i18n/udatpg.cpp
-  i18n/ufieldpositer.cpp
-  i18n/uitercollationiterator.cpp
-  i18n/umsg.cpp
-  i18n/unesctrn.cpp
-  i18n/uni2name.cpp
-  i18n/unum.cpp
-  i18n/unumsys.cpp
-  i18n/upluralrules.cpp
-  i18n/uregex.cpp
-  i18n/uregexc.cpp
-  i18n/uregion.cpp
-  i18n/usearch.cpp
-  i18n/uspoof.cpp
-  i18n/uspoof_build.cpp
-  i18n/uspoof_conf.cpp
-  i18n/uspoof_impl.cpp
-  i18n/uspoof_wsconf.cpp
-  i18n/utf16collationiterator.cpp
-  i18n/utf8collationiterator.cpp
-  i18n/utrans.cpp
-  i18n/valueformatter.cpp
-  i18n/visibledigits.cpp
-  i18n/vtzone.cpp
-  i18n/vzone.cpp
-  i18n/windtfmt.cpp
-  i18n/winnmfmt.cpp
-  i18n/wintzimpl.cpp
-  i18n/zonemeta.cpp
-  i18n/zrule.cpp
-  i18n/ztrans.cpp
-  stubdata/stubdata.c
-
+  common/uvectr64.h
+  common/wintz.c
+  common/wintz.h
   common/unicode/appendable.h
   common/unicode/brkiter.h
   common/unicode/bytestream.h
@@ -491,107 +389,347 @@ set(
   common/unicode/utypes.h
   common/unicode/uvernum.h
   common/unicode/uversion.h
-  common/bmpset.h
-  common/brkeng.h
-  common/charstr.h
-  common/cmemory.h
-  common/common.rc
-  common/cpputils.h
-  common/cstr.h
-  common/cstring.h
-  common/cwchar.h
-  common/dictbe.h
-  common/dictionarydata.h
-  common/hash.h
-  common/icuplugimp.h
-  common/localsvc.h
-  common/locbased.h
-  common/locmap.h
-  common/locutil.h
-  common/messageimpl.h
-  common/msvcres.h
-  common/mutex.h
-  common/norm2_nfc_data.h
-  common/norm2allmodes.h
-  common/normalizer2impl.h
-  common/patternprops.h
-  common/pluralmap.h
-  common/propname.h
-  common/propname_data.h
-  common/propsvec.h
-  common/punycode.h
-  common/putilimp.h
-  common/rbbidata.h
-  common/rbbinode.h
-  common/rbbirb.h
-  common/rbbirpt.h
-  common/rbbiscan.h
-  common/rbbisetb.h
-  common/rbbitblb.h
-  common/resource.h
-  common/ruleiter.h
-  common/serv.h
-  common/servloc.h
-  common/servnotf.h
-  common/sharedobject.h
-  common/sprpimpl.h
-  common/uarrsort.h
-  common/uassert.h
-  common/ubidi_props.h
-  common/ubidi_props_data.h
-  common/ubidiimp.h
-  common/ubrkimpl.h
-  common/ucase.h
-  common/ucase_props_data.h
-  common/uchar_props_data.h
-  common/ucln.h
-  common/ucln_cmn.h
-  common/ucln_imp.h
-  common/ucmndata.h
-  common/ucnv_bld.h
-  common/ucnv_cnv.h
-  common/ucnv_ext.h
-  common/ucnv_imp.h
-  common/ucnv_io.h
-  common/ucnvmbcs.h
-  common/ucol_data.h
-  common/ucol_swp.h
-  common/ucurrimp.h
-  common/udatamem.h
-  common/udataswp.h
-  common/uelement.h
-  common/uenumimp.h
-  common/uhash.h
-  common/uinvchar.h
-  common/ulist.h
-  common/ulocimp.h
-  common/umapfile.h
-  common/umutex.h
-  common/unifiedcache.h
-  common/unisetspan.h
-  common/unistrappender.h
-  common/unormimp.h
-  common/uposixdefs.h
-  common/uprops.h
-  common/uresdata.h
-  common/uresimp.h
-  common/ureslocs.h
-  common/usc_impl.h
-  common/uset_imp.h
-  common/ustr_cnv.h
-  common/ustr_imp.h
-  common/ustrenum.h
-  common/ustrfmt.h
-  common/util.h
-  common/utracimp.h
-  common/utrie.h
-  common/utrie2.h
-  common/utrie2_impl.h
-  common/utypeinfo.h
-  common/uvector.h
-  common/uvectr32.h
-  common/uvectr64.h
-  common/wintz.h
+  i18n/affixpatternparser.cpp
+  i18n/affixpatternparser.h
+  i18n/alphaindex.cpp
+  i18n/anytrans.cpp
+  i18n/anytrans.h
+  i18n/astro.cpp
+  i18n/astro.h
+  i18n/basictz.cpp
+  i18n/bocsu.cpp
+  i18n/bocsu.h
+  i18n/brktrans.cpp
+  i18n/brktrans.h
+  i18n/buddhcal.cpp
+  i18n/buddhcal.h
+  i18n/calendar.cpp
+  i18n/casetrn.cpp
+  i18n/casetrn.h
+  i18n/cecal.cpp
+  i18n/cecal.h
+  i18n/chnsecal.cpp
+  i18n/chnsecal.h
+  i18n/choicfmt.cpp
+  i18n/coleitr.cpp
+  i18n/coll.cpp
+  i18n/collation.cpp
+  i18n/collation.h
+  i18n/collationbuilder.cpp
+  i18n/collationbuilder.h
+  i18n/collationcompare.cpp
+  i18n/collationcompare.h
+  i18n/collationdata.cpp
+  i18n/collationdata.h
+  i18n/collationdatabuilder.cpp
+  i18n/collationdatabuilder.h
+  i18n/collationdatareader.cpp
+  i18n/collationdatareader.h
+  i18n/collationdatawriter.cpp
+  i18n/collationdatawriter.h
+  i18n/collationfastlatin.cpp
+  i18n/collationfastlatin.h
+  i18n/collationfastlatinbuilder.cpp
+  i18n/collationfastlatinbuilder.h
+  i18n/collationfcd.cpp
+  i18n/collationfcd.h
+  i18n/collationiterator.cpp
+  i18n/collationiterator.h
+  i18n/collationkeys.cpp
+  i18n/collationkeys.h
+  i18n/collationroot.cpp
+  i18n/collationroot.h
+  i18n/collationrootelements.cpp
+  i18n/collationrootelements.h
+  i18n/collationruleparser.cpp
+  i18n/collationruleparser.h
+  i18n/collationsets.cpp
+  i18n/collationsets.h
+  i18n/collationsettings.cpp
+  i18n/collationsettings.h
+  i18n/collationtailoring.cpp
+  i18n/collationtailoring.h
+  i18n/collationweights.cpp
+  i18n/collationweights.h
+  i18n/collunsafe.h
+  i18n/compactdecimalformat.cpp
+  i18n/coptccal.cpp
+  i18n/coptccal.h
+  i18n/cpdtrans.cpp
+  i18n/cpdtrans.h
+  i18n/csdetect.cpp
+  i18n/csdetect.h
+  i18n/csmatch.cpp
+  i18n/csmatch.h
+  i18n/csr2022.cpp
+  i18n/csr2022.h
+  i18n/csrecog.cpp
+  i18n/csrecog.h
+  i18n/csrmbcs.cpp
+  i18n/csrmbcs.h
+  i18n/csrsbcs.cpp
+  i18n/csrsbcs.h
+  i18n/csrucode.cpp
+  i18n/csrucode.h
+  i18n/csrutf8.cpp
+  i18n/csrutf8.h
+  i18n/curramt.cpp
+  i18n/currfmt.cpp
+  i18n/currfmt.h
+  i18n/currpinf.cpp
+  i18n/currunit.cpp
+  i18n/dangical.cpp
+  i18n/dangical.h
+  i18n/datefmt.cpp
+  i18n/dayperiodrules.cpp
+  i18n/dayperiodrules.h
+  i18n/dcfmtimp.h
+  i18n/dcfmtsym.cpp
+  i18n/decContext.c
+  i18n/decContext.h
+  i18n/decfmtst.cpp
+  i18n/decfmtst.h
+  i18n/decimalformatpattern.cpp
+  i18n/decimalformatpattern.h
+  i18n/decimalformatpatternimpl.h
+  i18n/decimfmt.cpp
+  i18n/decimfmtimpl.cpp
+  i18n/decimfmtimpl.h
+  i18n/decNumber.c
+  i18n/decNumber.h
+  i18n/decNumberLocal.h
+  i18n/digitaffix.cpp
+  i18n/digitaffix.h
+  i18n/digitaffixesandpadding.cpp
+  i18n/digitaffixesandpadding.h
+  i18n/digitformatter.cpp
+  i18n/digitformatter.h
+  i18n/digitgrouping.cpp
+  i18n/digitgrouping.h
+  i18n/digitinterval.cpp
+  i18n/digitinterval.h
+  i18n/digitlst.cpp
+  i18n/digitlst.h
+  i18n/dtfmtsym.cpp
+  i18n/dtitv_impl.h
+  i18n/dtitvfmt.cpp
+  i18n/dtitvinf.cpp
+  i18n/dtptngen.cpp
+  i18n/dtptngen_impl.h
+  i18n/dtrule.cpp
+  i18n/esctrn.cpp
+  i18n/esctrn.h
+  i18n/ethpccal.cpp
+  i18n/ethpccal.h
+  i18n/fmtable.cpp
+  i18n/fmtable_cnv.cpp
+  i18n/fmtableimp.h
+  i18n/format.cpp
+  i18n/fphdlimp.cpp
+  i18n/fphdlimp.h
+  i18n/fpositer.cpp
+  i18n/funcrepl.cpp
+  i18n/funcrepl.h
+  i18n/gender.cpp
+  i18n/gregocal.cpp
+  i18n/gregoimp.cpp
+  i18n/gregoimp.h
+  i18n/hebrwcal.cpp
+  i18n/hebrwcal.h
+  i18n/identifier_info.cpp
+  i18n/identifier_info.h
+  i18n/indiancal.cpp
+  i18n/indiancal.h
+  i18n/inputext.cpp
+  i18n/inputext.h
+  i18n/islamcal.cpp
+  i18n/islamcal.h
+  i18n/japancal.cpp
+  i18n/japancal.h
+  i18n/measfmt.cpp
+  i18n/measunit.cpp
+  i18n/measure.cpp
+  i18n/msgfmt.cpp
+  i18n/msgfmt_impl.h
+  i18n/name2uni.cpp
+  i18n/name2uni.h
+  i18n/nfrlist.h
+  i18n/nfrs.cpp
+  i18n/nfrs.h
+  i18n/nfrule.cpp
+  i18n/nfrule.h
+  i18n/nfsubs.cpp
+  i18n/nfsubs.h
+  i18n/nortrans.cpp
+  i18n/nortrans.h
+  i18n/nultrans.cpp
+  i18n/nultrans.h
+  i18n/numfmt.cpp
+  i18n/numsys.cpp
+  i18n/numsys_impl.h
+  i18n/olsontz.cpp
+  i18n/olsontz.h
+  i18n/persncal.cpp
+  i18n/persncal.h
+  i18n/pluralaffix.cpp
+  i18n/pluralaffix.h
+  i18n/plurfmt.cpp
+  i18n/plurrule.cpp
+  i18n/plurrule_impl.h
+  i18n/precision.cpp
+  i18n/precision.h
+  i18n/quant.cpp
+  i18n/quant.h
+  i18n/quantityformatter.cpp
+  i18n/quantityformatter.h
+  i18n/rbnf.cpp
+  i18n/rbt.cpp
+  i18n/rbt.h
+  i18n/rbt_data.cpp
+  i18n/rbt_data.h
+  i18n/rbt_pars.cpp
+  i18n/rbt_pars.h
+  i18n/rbt_rule.cpp
+  i18n/rbt_rule.h
+  i18n/rbt_set.cpp
+  i18n/rbt_set.h
+  i18n/rbtz.cpp
+  i18n/regexcmp.cpp
+  i18n/regexcmp.h
+  i18n/regexcst.h
+  i18n/regexcst.pl
+  i18n/regexcst.txt
+  i18n/regeximp.cpp
+  i18n/regeximp.h
+  i18n/regexst.cpp
+  i18n/regexst.h
+  i18n/regextxt.cpp
+  i18n/regextxt.h
+  i18n/region.cpp
+  i18n/region_impl.h
+  i18n/reldatefmt.cpp
+  i18n/reldtfmt.cpp
+  i18n/reldtfmt.h
+  i18n/rematch.cpp
+  i18n/remtrans.cpp
+  i18n/remtrans.h
+  i18n/repattrn.cpp
+  i18n/rulebasedcollator.cpp
+  i18n/scientificnumberformatter.cpp
+  i18n/scriptset.cpp
+  i18n/scriptset.h
+  i18n/search.cpp
+  i18n/selfmt.cpp
+  i18n/selfmtimpl.h
+  i18n/sharedbreakiterator.cpp
+  i18n/sharedbreakiterator.h
+  i18n/sharedcalendar.h
+  i18n/shareddateformatsymbols.h
+  i18n/sharednumberformat.h
+  i18n/sharedpluralrules.h
+  i18n/significantdigitinterval.h
+  i18n/simpletz.cpp
+  i18n/smallintformatter.cpp
+  i18n/smallintformatter.h
+  i18n/smpdtfmt.cpp
+  i18n/smpdtfst.cpp
+  i18n/smpdtfst.h
+  i18n/sortkey.cpp
+  i18n/standardplural.cpp
+  i18n/standardplural.h
+  i18n/strmatch.cpp
+  i18n/strmatch.h
+  i18n/strrepl.cpp
+  i18n/strrepl.h
+  i18n/stsearch.cpp
+  i18n/taiwncal.cpp
+  i18n/taiwncal.h
+  i18n/timezone.cpp
+  i18n/titletrn.cpp
+  i18n/titletrn.h
+  i18n/tmunit.cpp
+  i18n/tmutamt.cpp
+  i18n/tmutfmt.cpp
+  i18n/tolowtrn.cpp
+  i18n/tolowtrn.h
+  i18n/toupptrn.cpp
+  i18n/toupptrn.h
+  i18n/translit.cpp
+  i18n/transreg.cpp
+  i18n/transreg.h
+  i18n/tridpars.cpp
+  i18n/tridpars.h
+  i18n/tzfmt.cpp
+  i18n/tzgnames.cpp
+  i18n/tzgnames.h
+  i18n/tznames.cpp
+  i18n/tznames_impl.cpp
+  i18n/tznames_impl.h
+  i18n/tzrule.cpp
+  i18n/tztrans.cpp
+  i18n/ucal.cpp
+  i18n/ucln_in.cpp
+  i18n/ucln_in.h
+  i18n/ucol.cpp
+  i18n/ucol_imp.h
+  i18n/ucol_res.cpp
+  i18n/ucol_sit.cpp
+  i18n/ucoleitr.cpp
+  i18n/ucsdet.cpp
+  i18n/udat.cpp
+  i18n/udateintervalformat.cpp
+  i18n/udatpg.cpp
+  i18n/ufieldpositer.cpp
+  i18n/uitercollationiterator.cpp
+  i18n/uitercollationiterator.h
+  i18n/ulocdata.c
+  i18n/umsg.cpp
+  i18n/umsg_imp.h
+  i18n/unesctrn.cpp
+  i18n/unesctrn.h
+  i18n/uni2name.cpp
+  i18n/uni2name.h
+  i18n/unum.cpp
+  i18n/unumsys.cpp
+  i18n/upluralrules.cpp
+  i18n/uregex.cpp
+  i18n/uregexc.cpp
+  i18n/uregion.cpp
+  i18n/usearch.cpp
+  i18n/uspoof.cpp
+  i18n/uspoof_build.cpp
+  i18n/uspoof_conf.cpp
+  i18n/uspoof_conf.h
+  i18n/uspoof_impl.cpp
+  i18n/uspoof_impl.h
+  i18n/uspoof_wsconf.cpp
+  i18n/uspoof_wsconf.h
+  i18n/usrchimp.h
+  i18n/utf16collationiterator.cpp
+  i18n/utf16collationiterator.h
+  i18n/utf8collationiterator.cpp
+  i18n/utf8collationiterator.h
+  i18n/utmscale.c
+  i18n/utrans.cpp
+  i18n/valueformatter.cpp
+  i18n/valueformatter.h
+  i18n/visibledigits.cpp
+  i18n/visibledigits.h
+  i18n/vtzone.cpp
+  i18n/vzone.cpp
+  i18n/vzone.h
+  i18n/windtfmt.cpp
+  i18n/windtfmt.h
+  i18n/winnmfmt.cpp
+  i18n/winnmfmt.h
+  i18n/wintzimpl.cpp
+  i18n/wintzimpl.h
+  i18n/zonemeta.cpp
+  i18n/zonemeta.h
+  i18n/zrule.cpp
+  i18n/zrule.h
+  i18n/ztrans.cpp
+  i18n/ztrans.h
   i18n/unicode/alphaindex.h
   i18n/unicode/basictz.h
   i18n/unicode/calendar.h
@@ -670,147 +808,7 @@ set(
   i18n/unicode/utmscale.h
   i18n/unicode/utrans.h
   i18n/unicode/vtzone.h
-  i18n/affixpatternparser.h
-  i18n/anytrans.h
-  i18n/astro.h
-  i18n/bocsu.h
-  i18n/brktrans.h
-  i18n/buddhcal.h
-  i18n/casetrn.h
-  i18n/cecal.h
-  i18n/chnsecal.h
-  i18n/collation.h
-  i18n/collationbuilder.h
-  i18n/collationcompare.h
-  i18n/collationdata.h
-  i18n/collationdatabuilder.h
-  i18n/collationdatareader.h
-  i18n/collationdatawriter.h
-  i18n/collationfastlatin.h
-  i18n/collationfastlatinbuilder.h
-  i18n/collationfcd.h
-  i18n/collationiterator.h
-  i18n/collationkeys.h
-  i18n/collationroot.h
-  i18n/collationrootelements.h
-  i18n/collationruleparser.h
-  i18n/collationsets.h
-  i18n/collationsettings.h
-  i18n/collationtailoring.h
-  i18n/collationweights.h
-  i18n/collunsafe.h
-  i18n/coptccal.h
-  i18n/cpdtrans.h
-  i18n/csdetect.h
-  i18n/csmatch.h
-  i18n/csr2022.h
-  i18n/csrecog.h
-  i18n/csrmbcs.h
-  i18n/csrsbcs.h
-  i18n/csrucode.h
-  i18n/csrutf8.h
-  i18n/currfmt.h
-  i18n/dangical.h
-  i18n/dayperiodrules.h
-  i18n/dcfmtimp.h
-  i18n/decContext.h
-  i18n/decfmtst.h
-  i18n/decimalformatpattern.h
-  i18n/decimalformatpatternimpl.h
-  i18n/decimfmtimpl.h
-  i18n/decNumber.h
-  i18n/decNumberLocal.h
-  i18n/digitaffix.h
-  i18n/digitaffixesandpadding.h
-  i18n/digitformatter.h
-  i18n/digitgrouping.h
-  i18n/digitinterval.h
-  i18n/digitlst.h
-  i18n/dtitv_impl.h
-  i18n/dtptngen_impl.h
-  i18n/esctrn.h
-  i18n/ethpccal.h
-  i18n/fmtableimp.h
-  i18n/fphdlimp.h
-  i18n/funcrepl.h
-  i18n/gregoimp.h
-  i18n/hebrwcal.h
-  i18n/identifier_info.h
-  i18n/indiancal.h
-  i18n/inputext.h
-  i18n/islamcal.h
-  i18n/japancal.h
-  i18n/msgfmt_impl.h
-  i18n/name2uni.h
-  i18n/nfrlist.h
-  i18n/nfrs.h
-  i18n/nfrule.h
-  i18n/nfsubs.h
-  i18n/nortrans.h
-  i18n/nultrans.h
-  i18n/numsys_impl.h
-  i18n/olsontz.h
-  i18n/persncal.h
-  i18n/pluralaffix.h
-  i18n/plurrule_impl.h
-  i18n/precision.h
-  i18n/quant.h
-  i18n/quantityformatter.h
-  i18n/rbt.h
-  i18n/rbt_data.h
-  i18n/rbt_pars.h
-  i18n/rbt_rule.h
-  i18n/rbt_set.h
-  i18n/regexcmp.h
-  i18n/regexcst.h
-  i18n/regeximp.h
-  i18n/regexst.h
-  i18n/regextxt.h
-  i18n/region_impl.h
-  i18n/reldtfmt.h
-  i18n/remtrans.h
-  i18n/scriptset.h
-  i18n/selfmtimpl.h
-  i18n/sharedbreakiterator.h
-  i18n/sharedcalendar.h
-  i18n/shareddateformatsymbols.h
-  i18n/sharednumberformat.h
-  i18n/sharedpluralrules.h
-  i18n/significantdigitinterval.h
-  i18n/smallintformatter.h
-  i18n/smpdtfst.h
-  i18n/standardplural.h
-  i18n/strmatch.h
-  i18n/strrepl.h
-  i18n/taiwncal.h
-  i18n/titletrn.h
-  i18n/tolowtrn.h
-  i18n/toupptrn.h
-  i18n/transreg.h
-  i18n/tridpars.h
-  i18n/tzgnames.h
-  i18n/tznames_impl.h
-  i18n/ucln_in.h
-  i18n/ucol_imp.h
-  i18n/uitercollationiterator.h
-  i18n/umsg_imp.h
-  i18n/unesctrn.h
-  i18n/uni2name.h
-  i18n/uspoof_conf.h
-  i18n/uspoof_impl.h
-  i18n/uspoof_wsconf.h
-  i18n/usrchimp.h
-  i18n/utf16collationiterator.h
-  i18n/utf8collationiterator.h
-  i18n/valueformatter.h
-  i18n/visibledigits.h
-  i18n/vzone.h
-  i18n/windtfmt.h
-  i18n/winnmfmt.h
-  i18n/wintzimpl.h
-  i18n/zonemeta.h
-  i18n/zrule.h
-  i18n/ztrans.h
+  stubdata/stubdata.c
 )
 
 add_library(${PROJECT_NAME} ${SRC})
diff --git a/coding/CMakeLists.txt b/coding/CMakeLists.txt
index 52ae94df7b..908c2d0fb6 100644
--- a/coding/CMakeLists.txt
+++ b/coding/CMakeLists.txt
@@ -71,8 +71,8 @@ set(
   succinct_mapper.hpp
   traffic.cpp
   traffic.hpp
-  transliterator.cpp
-  transliterator.hpp
+  transliteration.cpp
+  transliteration.hpp
   uri.cpp
   uri.hpp
   url_encode.hpp
diff --git a/coding/multilang_utf8_string.cpp b/coding/multilang_utf8_string.cpp
index 369ffdb9a0..9e3211501a 100644
--- a/coding/multilang_utf8_string.cpp
+++ b/coding/multilang_utf8_string.cpp
@@ -10,37 +10,71 @@ namespace
 // Note, that it's not feasible to increase languages number here due to
 // our current encoding (6 bit to store language code).
 StringUtf8Multilang::Languages const g_languages = {{
-    {"default", "Native for each country", "Any-Latin"},
-    {"en", "English", ""}, {"ja", "日本語", ""}, {"fr", "Français", ""},
-    {"ko_rm", "Korean (Romanized)", "Korean-Latin/BGN"}, {"ar", "العربية", "Any-Latin"},
-    {"de", "Deutsch", ""}, {"int_name", "International (Latin)", "Any-Latin"},
-    {"ru", "Русский", "Russian-Latin/BGN"}, {"sv", "Svenska", "Any-Latin"},
-    {"zh", "中文", "Any-Latin"}, {"fi", "Suomi", "Any-Latin"},
-    {"be", "Беларуская", "Belarusian-Latin/BGN"}, {"ka", "ქართული", "Georgian-Latin"},
-    {"ko", "한국어", "Hangul-Latin/BGN"}, {"he", "עברית", "Hebrew-Latin/BGN"}, {"nl", "Nederlands", ""},
-    {"ga", "Gaeilge", "Any-Latin"}, {"ja_rm", "Japanese (Romanized)", "Any-Latin"},
-    {"el", "Ελληνικά", "Greek-Latin"}, {"it", "Italiano", ""}, {"es", "Español", ""},
-    {"zh_pinyin", "Chinese (Pinyin)", "Any-Latin"}, {"th", "ไทย", "Thai-Latin"},
-    {"cy", "Cymraeg", "Any-Latin"}, {"sr", "Српски", "Serbian-Latin/BGN"},
-    {"uk", "Українська", "Ukrainian-Latin/BGN"}, {"ca", "Català", "Any-Latin"},
-    {"hu", "Magyar", "Any-Latin"}, {"hsb", "Hornjoserbšćina", "Any-Latin"},
-    {"eu", "Euskara", "Any-Latin"}, {"fa", "فارسی", "Any-Latin"}, {"br", "Breton", "Any-Latin"},
-    {"pl", "Polski", "Any-Latin"}, {"hy", "Հայերէն", "Armenian-Latin"},
-    {"kn", "ಕನ್ನಡ", "Kannada-Latin"}, {"sl", "Slovenščina", "Any-Latin"},
-    {"ro", "Română", "Any-Latin"}, {"sq", "Shqipe", "Any-Latin"},
-    {"am", "አማርኛ", "Amharic-Latin/BGN"}, {"fy", "Frysk", "Any-Latin"},
-    {"cs", "Čeština", "Any-Latin"}, {"gd", "Gàidhlig", "Any-Latin"},
-    {"sk", "Slovenčina", "Any-Latin"}, {"af", "Afrikaans", "Any-Latin"},
-    {"ja_kana", "日本語(カタカナ)", "Katakana-Latin"}, {"lb", "Luxembourgish", "Any-Latin"},
-    {"pt", "Português", "Any-Latin"}, {"hr", "Hrvatski", "Any-Latin"},
-    {"fur", "Friulian", "Any-Latin"}, {"vi", "Tiếng Việt", "Any-Latin"},
-    {"tr", "Türkçe", "Any-Latin"}, {"bg", "Български", "Bulgarian-Latin/BGN"},
-    {"eo", "Esperanto", "Any-Latin"}, {"lt", "Lietuvių", "Any-Latin"}, {"la", "Latin", ""},
-    {"kk", "Қазақ", "Kazakh-Latin/BGN"}, {"gsw", "Schwiizertüütsch", "Any-Latin"},
-    {"et", "Eesti", "Any-Latin"}, {"ku", "Kurdish", "Any-Latin"},
-    {"mn", "Mongolian", "Mongolian-Latin/BGN"}, {"mk", "Македонски", "Macedonian-Latin/BGN"},
-    {"lv", "Latviešu", "Any-Latin"}, {"hi", "हिन्दी", "Any-Latin"}
-  }};
+  {"default", "Native for each country", "Any-Latin"},
+  {"en", "English", ""},
+  {"ja", "日本語", ""},
+  {"fr", "Français", ""},
+  {"ko_rm", "Korean (Romanized)", "Korean-Latin/BGN"},
+  {"ar", "العربية", "Any-Latin"},
+  {"de", "Deutsch", ""},
+  {"int_name", "International (Latin)", "Any-Latin"},
+  {"ru", "Русский", "Russian-Latin/BGN"},
+  {"sv", "Svenska", "Any-Latin"},
+  {"zh", "中文", "Any-Latin"},
+  {"fi", "Suomi", "Any-Latin"},
+  {"be", "Беларуская", "Belarusian-Latin/BGN"},
+  {"ka", "ქართული", "Georgian-Latin"},
+  {"ko", "한국어", "Hangul-Latin/BGN"},
+  {"he", "עברית", "Hebrew-Latin/BGN"},
+  {"nl", "Nederlands", ""},
+  {"ga", "Gaeilge", "Any-Latin"},
+  {"ja_rm", "Japanese (Romanized)", "Any-Latin"},
+  {"el", "Ελληνικά", "Greek-Latin"},
+  {"it", "Italiano", ""},
+  {"es", "Español", ""},
+  {"zh_pinyin", "Chinese (Pinyin)", "Any-Latin"},
+  {"th", "ไทย", "Thai-Latin"},
+  {"cy", "Cymraeg", "Any-Latin"},
+  {"sr", "Српски", "Serbian-Latin/BGN"},
+  {"uk", "Українська", "Ukrainian-Latin/BGN"},
+  {"ca", "Català", "Any-Latin"},
+  {"hu", "Magyar", "Any-Latin"},
+  {"hsb", "Hornjoserbšćina", "Any-Latin"},
+  {"eu", "Euskara", "Any-Latin"},
+  {"fa", "فارسی", "Any-Latin"},
+  {"br", "Breton", "Any-Latin"},
+  {"pl", "Polski", "Any-Latin"},
+  {"hy", "Հայերէն", "Armenian-Latin"},
+  {"kn", "ಕನ್ನಡ", "Kannada-Latin"},
+  {"sl", "Slovenščina", "Any-Latin"},
+  {"ro", "Română", "Any-Latin"},
+  {"sq", "Shqipe", "Any-Latin"},
+  {"am", "አማርኛ", "Amharic-Latin/BGN"},
+  {"fy", "Frysk", "Any-Latin"},
+  {"cs", "Čeština", "Any-Latin"},
+  {"gd", "Gàidhlig", "Any-Latin"},
+  {"sk", "Slovenčina", "Any-Latin"},
+  {"af", "Afrikaans", "Any-Latin"},
+  {"ja_kana", "日本語(カタカナ)", "Katakana-Latin"},
+  {"lb", "Luxembourgish", "Any-Latin"},
+  {"pt", "Português", "Any-Latin"},
+  {"hr", "Hrvatski", "Any-Latin"},
+  {"fur", "Friulian", "Any-Latin"},
+  {"vi", "Tiếng Việt", "Any-Latin"},
+  {"tr", "Türkçe", "Any-Latin"},
+  {"bg", "Български", "Bulgarian-Latin/BGN"},
+  {"eo", "Esperanto", "Any-Latin"},
+  {"lt", "Lietuvių", "Any-Latin"},
+  {"la", "Latin", ""},
+  {"kk", "Қазақ", "Kazakh-Latin/BGN"},
+  {"gsw", "Schwiizertüütsch", "Any-Latin"},
+  {"et", "Eesti", "Any-Latin"},
+  {"ku", "Kurdish", "Any-Latin"},
+  {"mn", "Mongolian", "Mongolian-Latin/BGN"},
+  {"mk", "Македонски", "Macedonian-Latin/BGN"},
+  {"lv", "Latviešu", "Any-Latin"},
+  {"hi", "हिन्दी", "Any-Latin"}
+}};
 
 static_assert(g_languages.size() == StringUtf8Multilang::kMaxSupportedLanguages,
               "With current encoding we are limited to 64 languages max.");
diff --git a/coding/transliteration.cpp b/coding/transliteration.cpp
index c1a9ab1138..e30a03820a 100644
--- a/coding/transliteration.cpp
+++ b/coding/transliteration.cpp
@@ -15,11 +15,12 @@ Transliteration::~Transliteration()
   // but it should be called only once for performance reasons.
   // The primary benefit is to eliminate reports of memory or resource leaks originating
   // in ICU code from the results generated by heap analysis tools.
+  // http://www.icu-project.org/apiref/icu4c/uclean_8h.html#a93f27d0ddc7c196a1da864763f2d8920
   m_transliterators.clear();
   u_cleanup();
 }
 
-Transliteration & Transliteration::GetInstance()
+Transliteration & Transliteration::Instance()
 {
   static Transliteration instance;
   return instance;
@@ -45,21 +46,25 @@ void Transliteration::Init(std::string const & icuDataDir)
   }
 }
 
-std::string Transliteration::Transliterate(std::string const & str, int8_t langCode) const
+bool Transliteration::Transliterate(std::string const & str, int8_t langCode, std::string & out) const
 {
+  if (str.empty())
+    return false;
+
   auto const transliteratorId = StringUtf8Multilang::GetTransliteratorIdByCode(langCode);
   auto const & it = m_transliterators.find(transliteratorId);
   if (it == m_transliterators.end())
   {
     LOG(LWARNING, ("Transliteration failed, unknown transliterator \"", transliteratorId, "\""));
-    return "";
+    return false;
   }
 
   UnicodeString ustr(str.c_str());
   it->second->transliterate(ustr);
 
-  std::string resultStr;
-  ustr.toUTF8String(resultStr);
+  if (ustr.isEmpty())
+    return false;
 
-  return resultStr;
+  ustr.toUTF8String(out);
+  return true;
 }
diff --git a/coding/transliteration.hpp b/coding/transliteration.hpp
index 04dd75b6c3..cc3f97eb4d 100644
--- a/coding/transliteration.hpp
+++ b/coding/transliteration.hpp
@@ -14,11 +14,11 @@ class Transliteration
 public:
   ~Transliteration();
 
-  static Transliteration & GetInstance();
+  static Transliteration & Instance();
 
   void Init(std::string const & icuDataDir);
 
-  std::string Transliterate(std::string const & str, int8_t langCode) const;
+  bool Transliterate(std::string const & str, int8_t langCode, std::string & out) const;
 
 private:
   Transliteration() = default;
diff --git a/generator/srtm_coverage_checker/srtm_coverage_checker.pro b/generator/srtm_coverage_checker/srtm_coverage_checker.pro
index 7099b7b5a9..3f15a6665a 100644
--- a/generator/srtm_coverage_checker/srtm_coverage_checker.pro
+++ b/generator/srtm_coverage_checker/srtm_coverage_checker.pro
@@ -7,8 +7,8 @@ CONFIG -= app_bundle
 TEMPLATE = app
 
 ROOT_DIR = ../..
-DEPENDENCIES = generator map routing routing_common search storage icu indexer platform editor geometry coding base \
-               osrm jansson protobuf succinct stats_client pugixml minizip gflags stats_client
+DEPENDENCIES = generator map routing routing_common search storage indexer platform editor geometry coding base \
+               osrm jansson protobuf succinct stats_client pugixml minizip gflags stats_client icu
 
 include($$ROOT_DIR/common.pri)
 
diff --git a/indexer/feature_utils.cpp b/indexer/feature_utils.cpp
index 6cc905e586..235811225a 100644
--- a/indexer/feature_utils.cpp
+++ b/indexer/feature_utils.cpp
@@ -37,22 +37,18 @@ bool GetTransliteratedName(feature::RegionData const & regionData, StringUtf8Mul
 
   string srcName;
   for (auto const code : mwmLangCodes)
-  {
-    if (src.GetString(code, srcName))
-    {
-      out = Transliteration::GetInstance().Transliterate(srcName, code);
-      if (!out.empty())
-        return true;
-    }
-  }
+    if (src.GetString(code, srcName) && Transliteration::Instance().Transliterate(srcName, code, out))
+      return true;
+
+  // If default name is available, interpret it as a name for the first mwm language.
   if (!mwmLangCodes.empty() && src.GetString(StringUtf8Multilang::kDefaultCode, srcName))
-    out = Transliteration::GetInstance().Transliterate(srcName, mwmLangCodes[0]);
-  return !out.empty();
+    return Transliteration::Instance().Transliterate(srcName, mwmLangCodes[0], out);
+
+  return false;
 }
 
 bool GetBestName(StringUtf8Multilang const & src, vector<int8_t> const & priorityList, string & out)
 {
-  out.clear();
   auto bestIndex = priorityList.size();
 
   auto const findAndSet = [](vector<int8_t> const & langs, int8_t const code, string const & name,
@@ -72,7 +68,6 @@ bool GetBestName(StringUtf8Multilang const & src, vector<int8_t> const & priorit
       return false;
 
     findAndSet(priorityList, code, name, bestIndex, out);
-
     return true;
   });
 
@@ -83,7 +78,7 @@ bool GetBestName(StringUtf8Multilang const & src, vector<int8_t> const & priorit
     out = out.substr(0, out.find_first_of(','));
   }
 
-  return !out.empty();
+  return bestIndex < priorityList.size();
 }
 }  // namespace
 
@@ -236,11 +231,12 @@ void GetPreferredNames(RegionData const & regionData, StringUtf8Multilang const
   if (src.IsEmpty())
     return;
 
-  if (!GetBestName(src, {deviceLang, StrUtf8::kInternationalCode, StrUtf8::kEnglishCode}, primary) &&
-      allowTranslit)
-  {
+  vector<int8_t> const primaryCodes = {deviceLang,
+                                       StrUtf8::kInternationalCode,
+                                       StrUtf8::kEnglishCode};
+
+  if (!GetBestName(src, primaryCodes, primary) && allowTranslit)
     GetTransliteratedName(regionData, src, primary);
-  }
 
   vector<int8_t> secondaryCodes = {StrUtf8::kDefaultCode,
                                    StrUtf8::kInternationalCode};
@@ -276,7 +272,7 @@ void GetReadableName(RegionData const & regionData, StringUtf8Multilang const &
     codes = {deviceLang, StrUtf8::kInternationalCode, StrUtf8::kEnglishCode};
 
   if (GetBestName(src, codes, out))
-      return;
+    return;
 
   if (allowTranslit && GetTransliteratedName(regionData, src, out))
     return;
@@ -290,5 +286,4 @@ void GetReadableName(RegionData const & regionData, StringUtf8Multilang const &
 
   GetMwmLangName(regionData, src, out);
 }
-
 } // namespace feature
diff --git a/indexer/feature_utils.hpp b/indexer/feature_utils.hpp
index f627e284ec..7f4f055147 100644
--- a/indexer/feature_utils.hpp
+++ b/indexer/feature_utils.hpp
@@ -18,8 +18,8 @@ namespace feature
   /// Primary name using priority:
   /// - device language name;
   /// - international name;
-  /// - english name.
-  /// - transliterated name.
+  /// - english name;
+  /// - transliterated name (if allowed).
   /// Secondary name using priority:
   /// - default name;
   /// - international name;
@@ -35,13 +35,13 @@ namespace feature
   /// - default name;
   /// - international name;
   /// - english name;
-  /// - transliterated name;
+  /// - transliterated name (if allowed);
   /// - country language name.
   /// When MWM does not contain user's language, the priority is the following:
   /// - device language name;
   /// - international name;
   /// - english name;
-  /// - transliterated name;
+  /// - transliterated name (if allowed);
   /// - default name;
   /// - country language name.
   void GetReadableName(RegionData const & regionData, StringUtf8Multilang const & src,
diff --git a/map/framework.cpp b/map/framework.cpp
index e9f67426d8..b4ab9227dc 100644
--- a/map/framework.cpp
+++ b/map/framework.cpp
@@ -131,7 +131,9 @@ char const kTrafficEnabledKey[] = "TrafficEnabled";
 char const kTrafficSimplifiedColorsKey[] = "TrafficSimplifiedColors";
 char const kLargeFontsSize[] = "LargeFontsSize";
 
+#if defined(OMIM_OS_ANDROID)
 char const kICUDataFile[] = "icudt57l.dat";
+#endif
 
 double const kDistEqualQueryMeters = 100.0;
 double const kLargeFontsScaleFactor = 1.6;
@@ -195,7 +197,7 @@ string MakeSearchBookingUrl(Index const & index, booking::Api const & bookingApi
 {
   search::ReverseGeocoder const coder(index);
   string hotelName;
-  ft.GetReadableName(hotelName);
+  ft.GetReadableName(false /* allowTranslit */, hotelName);
 
   auto const lang = StringUtf8Multilang::GetLangIndex(languages::GetCurrentNorm());
   string city = cityFinder.GetCityName(ft.GetCenter(), lang);
@@ -498,16 +500,8 @@ Framework::Framework()
 
   m_cityFinder = make_unique<CityFinder>(m_model.GetIndex());
 
-#ifdef OMIM_OS_ANDROID
-  ZipFileReader::UnzipFile(GetPlatform().ResourcesDir(),
-                           std::string("assets/") + kICUDataFile,
-                           GetPlatform().WritableDir() + kICUDataFile);
-
-  Transliteration::GetInstance().Init(GetPlatform().WritableDir());
-#else
-  Transliteration::GetInstance().Init(GetPlatform().ResourcesDir());
-#endif
-
+  InitTransliteration();
+  LOG(LDEBUG, ("Transliterators initialized"));
 }
 
 Framework::~Framework()
@@ -1432,6 +1426,25 @@ void Framework::InitSearchEngine()
   }
 }
 
+void Framework::InitTransliteration()
+{
+#if defined(OMIM_OS_ANDROID)
+  try
+  {
+    ZipFileReader::UnzipFile(GetPlatform().ResourcesDir(),
+                             std::string("assets/") + kICUDataFile,
+                             GetPlatform().WritableDir() + kICUDataFile);
+  }
+  catch (Reader::OpenException const & e)
+  {
+    LOG(LWARNING, ("Can't get transliteration data file \"", kICUDataFile, "\", reason:", e.what()));
+  }
+  Transliteration::GetInstance().Init(GetPlatform().WritableDir());
+#else
+  Transliteration::Instance().Init(GetPlatform().ResourcesDir());
+#endif
+}
+
 storage::TCountryId Framework::GetCountryIndex(m2::PointD const & pt) const
 {
   return m_infoGetter->GetRegionCountryId(pt);
@@ -2135,7 +2148,6 @@ void Framework::SetMapSelectionListeners(TActivateMapSelectionFn const & activat
 void Framework::ActivateMapSelection(bool needAnimation, df::SelectionShape::ESelectedObject selectionType,
                                      place_page::Info const & info)
 {
-
   ASSERT_NOT_EQUAL(selectionType, df::SelectionShape::OBJECT_EMPTY, ("Empty selections are impossible."));
   m_selectedFeature = info.GetID();
   CallDrapeFunction(bind(&df::DrapeEngine::SelectObject, _1, selectionType, info.GetMercator(), info.GetID(),
diff --git a/map/framework.hpp b/map/framework.hpp
index bda5373a16..26ba606fa3 100644
--- a/map/framework.hpp
+++ b/map/framework.hpp
@@ -195,6 +195,8 @@ protected:
 
   void CallDrapeFunction(TDrapeFunction const & fn) const;
 
+  void InitTransliteration();
+
 public:
   Framework();
   virtual ~Framework();
diff --git a/map/map_tests/CMakeLists.txt b/map/map_tests/CMakeLists.txt
index 5c0e47a99b..199d2a1e5e 100644
--- a/map/map_tests/CMakeLists.txt
+++ b/map/map_tests/CMakeLists.txt
@@ -15,6 +15,7 @@ set(
   gps_track_test.cpp
   kmz_unarchive_test.cpp
   mwm_url_tests.cpp
+  transliteration_test.cpp
   working_time_tests.cpp
 )
 
diff --git a/map/map_tests/transliteration_test.cpp b/map/map_tests/transliteration_test.cpp
index 6ffbf9bc6e..87693a559f 100644
--- a/map/map_tests/transliteration_test.cpp
+++ b/map/map_tests/transliteration_test.cpp
@@ -5,32 +5,43 @@
 
 #include "platform/platform.hpp"
 
+namespace
+{
+void TestTransliteration(Transliteration const & translit, std::string const & locale,
+                         std::string const & original, std::string const & expected)
+{
+  std::string out;
+  translit.Transliterate(original, StringUtf8Multilang::GetLangIndex(locale), out);
+  TEST_EQUAL(expected, out, ());
+}
+}  // namespace
+
 // This test is inside of the map_tests because it uses Platform for obtaining the resource directory.
 UNIT_TEST(Transliteration_CompareSamples)
 {
-  Transliteration & translit = Transliteration::GetInstance();
+  Transliteration & translit = Transliteration::Instance();
   translit.Init(GetPlatform().ResourcesDir());
 
-  TEST_EQUAL("ạlʿrbyẗ", translit.Transliterate("العربية", StringUtf8Multilang::GetLangIndex("ar")), ());
-  TEST_EQUAL("Russkiy", translit.Transliterate("Русский", StringUtf8Multilang::GetLangIndex("ru")), ());
-  TEST_EQUAL("zhōng wén", translit.Transliterate("中文", StringUtf8Multilang::GetLangIndex("zh")), ());
-  TEST_EQUAL("Byelaruskaya", translit.Transliterate("Беларуская", StringUtf8Multilang::GetLangIndex("be")), ());
-  TEST_EQUAL("kartuli", translit.Transliterate("ქართული", StringUtf8Multilang::GetLangIndex("ka")), ());
-  TEST_EQUAL("hangug-eo", translit.Transliterate("한국어", StringUtf8Multilang::GetLangIndex("ko")), ());
-  TEST_EQUAL("‘vryt", translit.Transliterate("עברית", StringUtf8Multilang::GetLangIndex("he")), ());
-  TEST_EQUAL("Ellēniká", translit.Transliterate("Ελληνικά", StringUtf8Multilang::GetLangIndex("el")), ());
-  TEST_EQUAL("pīn yīn", translit.Transliterate("拼音", StringUtf8Multilang::GetLangIndex("zh_pinyin")), ());
-  TEST_EQUAL("thịy", translit.Transliterate("ไทย", StringUtf8Multilang::GetLangIndex("th")), ());
-  TEST_EQUAL("Srpski", translit.Transliterate("Српски", StringUtf8Multilang::GetLangIndex("sr")), ());
-  TEST_EQUAL("Ukrayinsʹka", translit.Transliterate("Українська", StringUtf8Multilang::GetLangIndex("uk")), ());
-  TEST_EQUAL("fạrsy̰", translit.Transliterate("فارسی", StringUtf8Multilang::GetLangIndex("fa")), ());
-  TEST_EQUAL("Hayerēn", translit.Transliterate("Հայերէն", StringUtf8Multilang::GetLangIndex("hy")), ());
-  TEST_EQUAL("kannaḍa", translit.Transliterate("ಕನ್ನಡ", StringUtf8Multilang::GetLangIndex("kn")), ());
-  TEST_EQUAL("āmarinya", translit.Transliterate("አማርኛ", StringUtf8Multilang::GetLangIndex("am")), ());
-  TEST_EQUAL("katakana", translit.Transliterate("カタカナ", StringUtf8Multilang::GetLangIndex("ja_kana")), ());
-  TEST_EQUAL("Bŭlgarski", translit.Transliterate("Български", StringUtf8Multilang::GetLangIndex("bg")), ());
-  TEST_EQUAL("Qazaq", translit.Transliterate("Қазақ", StringUtf8Multilang::GetLangIndex("kk")), ());
-  TEST_EQUAL("Mongol hel", translit.Transliterate("Монгол хэл", StringUtf8Multilang::GetLangIndex("mn")), ());
-  TEST_EQUAL("Makedonski", translit.Transliterate("Македонски", StringUtf8Multilang::GetLangIndex("mk")), ());
-  TEST_EQUAL("hindī", translit.Transliterate("हिन्दी", StringUtf8Multilang::GetLangIndex("hi")), ());
+  TestTransliteration(translit, "ar", "العربية", "ạlʿrbyẗ");
+  TestTransliteration(translit, "ru", "Русский", "Russkiy");
+  TestTransliteration(translit, "zh", "中文", "zhōng wén");
+  TestTransliteration(translit, "be", "Беларуская", "Byelaruskaya");
+  TestTransliteration(translit, "ka", "ქართული", "kartuli");
+  TestTransliteration(translit, "ko", "한국어", "hangug-eo");
+  TestTransliteration(translit, "he", "עברית", "‘vryt");
+  TestTransliteration(translit, "el", "Ελληνικά", "Ellēniká");
+  TestTransliteration(translit, "zh_pinyin", "拼音", "pīn yīn");
+  TestTransliteration(translit, "th", "ไทย", "thịy");
+  TestTransliteration(translit, "sr", "Српски", "Srpski");
+  TestTransliteration(translit, "uk", "Українська", "Ukrayinsʹka");
+  TestTransliteration(translit, "fa", "فارسی", "fạrsy̰");
+  TestTransliteration(translit, "hy", "Հայերէն", "Hayerēn");
+  TestTransliteration(translit, "kn", "ಕನ್ನಡ", "kannaḍa");
+  TestTransliteration(translit, "am", "አማርኛ", "āmarinya");
+  TestTransliteration(translit, "ja_kana", "カタカナ", "katakana");
+  TestTransliteration(translit, "bg", "Български", "Bŭlgarski");
+  TestTransliteration(translit, "kk", "Қазақ", "Qazaq");
+  TestTransliteration(translit, "mn", "Монгол хэл", "Mongol hel");
+  TestTransliteration(translit, "mk", "Македонски", "Makedonski");
+  TestTransliteration(translit, "hi", "हिन्दी", "hindī");
 }
diff --git a/map/style_tests/CMakeLists.txt b/map/style_tests/CMakeLists.txt
index a6ee3465cd..e7a334023b 100644
--- a/map/style_tests/CMakeLists.txt
+++ b/map/style_tests/CMakeLists.txt
@@ -25,11 +25,11 @@ omim_link_libraries(
   oauthcpp
   platform
   jansson
-  icu
   geometry
   coding
   base
   protobuf
+  icu
   stats_client
   ${LIBZ}
 )
diff --git a/xcode/map/map.xcodeproj/project.pbxproj b/xcode/map/map.xcodeproj/project.pbxproj
index 00602eea2d..b9b7433df3 100644
--- a/xcode/map/map.xcodeproj/project.pbxproj
+++ b/xcode/map/map.xcodeproj/project.pbxproj
@@ -91,6 +91,7 @@
 		67F183811BD5049500AB1840 /* libagg.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 67F1837D1BD5049500AB1840 /* libagg.a */; };
 		67F183831BD5049500AB1840 /* libminizip.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 67F1837F1BD5049500AB1840 /* libminizip.a */; };
 		67F183841BD5049500AB1840 /* libtess2.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 67F183801BD5049500AB1840 /* libtess2.a */; };
+		BB421D6C1E8C0031005BFA4D /* transliteration_test.cpp in Sources */ = {isa = PBXBuildFile; fileRef = BB421D6A1E8C0026005BFA4D /* transliteration_test.cpp */; };
 		F63421F81DF9BF9100A96868 /* reachable_by_taxi_checker.cpp in Sources */ = {isa = PBXBuildFile; fileRef = F63421F61DF9BF9100A96868 /* reachable_by_taxi_checker.cpp */; };
 		F63421F91DF9BF9100A96868 /* reachable_by_taxi_checker.hpp in Headers */ = {isa = PBXBuildFile; fileRef = F63421F71DF9BF9100A96868 /* reachable_by_taxi_checker.hpp */; };
 		F6B283031C1B03320081957A /* gps_track_collection.cpp in Sources */ = {isa = PBXBuildFile; fileRef = F6B282FB1C1B03320081957A /* gps_track_collection.cpp */; };
@@ -210,6 +211,7 @@
 		67F183801BD5049500AB1840 /* libtess2.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; name = libtess2.a; path = "../../../omim-xcode-build/Debug/libtess2.a"; sourceTree = "<group>"; };
 		67F183851BD504ED00AB1840 /* libsystem_configuration.tbd */ = {isa = PBXFileReference; lastKnownFileType = "sourcecode.text-based-dylib-definition"; name = libsystem_configuration.tbd; path = usr/lib/system/libsystem_configuration.tbd; sourceTree = SDKROOT; };
 		67F183871BD5050900AB1840 /* SystemConfiguration.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = SystemConfiguration.framework; path = System/Library/Frameworks/SystemConfiguration.framework; sourceTree = SDKROOT; };
+		BB421D6A1E8C0026005BFA4D /* transliteration_test.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = transliteration_test.cpp; sourceTree = "<group>"; };
 		F63421F61DF9BF9100A96868 /* reachable_by_taxi_checker.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = reachable_by_taxi_checker.cpp; sourceTree = "<group>"; };
 		F63421F71DF9BF9100A96868 /* reachable_by_taxi_checker.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = reachable_by_taxi_checker.hpp; sourceTree = "<group>"; };
 		F6B282FB1C1B03320081957A /* gps_track_collection.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = gps_track_collection.cpp; sourceTree = "<group>"; };
@@ -295,6 +297,7 @@
 		674A29CA1B26FCC0001A525C /* map_tests */ = {
 			isa = PBXGroup;
 			children = (
+				BB421D6A1E8C0026005BFA4D /* transliteration_test.cpp */,
 				679624A01D1017C200AE4E3C /* address_tests.cpp */,
 				679624A11D1017C200AE4E3C /* feature_getters_tests.cpp */,
 				679624A21D1017C200AE4E3C /* gps_track_collection_test.cpp */,
@@ -552,6 +555,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				67F183761BD5045700AB1840 /* bookmarks_test.cpp in Sources */,
+				BB421D6C1E8C0031005BFA4D /* transliteration_test.cpp in Sources */,
 				67F183771BD5045700AB1840 /* ge0_parser_tests.cpp in Sources */,
 				679624B21D1017DB00AE4E3C /* mwm_set_test.cpp in Sources */,
 				67F183781BD5045700AB1840 /* geourl_test.cpp in Sources */,