tdf#97315 add Basque [eu-ES] and map [eu] to [eu-ES]

Change-Id: I89641fa82f0d0129aeff0d86a10be26cdc721dfc

i18nlangtag/qa/cppunit/test_languagetag.cxx

@@ -684,6 +684,7 @@ static bool checkMapping( const OUString& rStr1, const OUString& rStr2 )
     if (rStr1 == "ku-SY"       ) return rStr2 == "kmr-Latn-SY";
     if (rStr1 == "ku-IQ"       ) return rStr2 == "ckb-IQ";
     if (rStr1 == "ku-IR"       ) return rStr2 == "ckb-IR";
+    if (rStr1 == "eu"          ) return rStr2 == "eu-ES";
     return rStr1 == rStr2;
 }
 

i18nlangtag/source/isolang/isolang.cxx

@@ -239,7 +239,8 @@ static IsoLanguageCountryEntry const aImplIsoLangEntries[] =
     { LANGUAGE_USER_ARABIC_SOMALIA,         "ar", "SO", 0     },
     { LANGUAGE_USER_ARABIC_SUDAN,           "ar", "SD", 0     },
     { LANGUAGE_ARABIC_PRIMARY_ONLY,         "ar", ""  , 0     },
-    { LANGUAGE_BASQUE,                      "eu", ""  , 0     },
+    { LANGUAGE_BASQUE,                      "eu", "ES", 0     },
+    { LANGUAGE_BASQUE,                      "eu", ""  , kSAME },    // our earlier definition
     { LANGUAGE_BULGARIAN,                   "bg", "BG", 0     },
     { LANGUAGE_CZECH,                       "cs", "CZ", 0     },
     { LANGUAGE_CZECH,                       "cz", ""  , kSAME },
@@ -1114,7 +1115,6 @@ css::lang::Locale MsLangId::Conversion::lookupFallbackLocale(
                 switch (pEntry->mnLang)
                 {
                     // These are known to have no country assigned.
-                    case LANGUAGE_BASQUE:
                     case LANGUAGE_USER_ESPERANTO:
                     case LANGUAGE_USER_INTERLINGUA:
                     case LANGUAGE_USER_INTERLINGUE:

i18npool/source/localedata/data/eu_ES.xml

@@ -24,8 +24,8 @@
       <DefaultName>Basque</DefaultName>
     </Language>
     <Country>
-      <CountryID/>
-      <DefaultName/>
+      <CountryID>ES</CountryID>
+      <DefaultName>Spain</DefaultName>
     </Country>
   </LC_INFO>
   <LC_CTYPE>

i18npool/source/localedata/localedata.cxx

@@ -152,7 +152,7 @@ static const struct {
     { "sr_CS",  lcl_DATA_EURO },
     { "hr_HR",  lcl_DATA_EURO },
     { "bs_BA",  lcl_DATA_EURO },
-    { "eu",     lcl_DATA_EURO },
+    { "eu_ES",  lcl_DATA_EURO },
     { "fo_FO",  lcl_DATA_EURO },
     { "ga_IE",  lcl_DATA_EURO },
     { "gd_GB",  lcl_DATA_EURO },