svl/qa/unit/svl.cxx             |   15 ++++++++++++++-
 sw/source/filter/ww8/ww8atr.cxx |    5 +++++
 2 files changed, 19 insertions(+), 1 deletion(-)

New commits:
commit 5c7f4b83c207b909312ed5a28282015fdcdd12da
Author:     Michael Stahl <[email protected]>
AuthorDate: Thu May 19 13:23:33 2022 +0200
Commit:     Michael Stahl <[email protected]>
CommitDate: Fri May 27 10:59:52 2022 +0200

    sw: language fallback in MSWordExportBase::GetNumberFormat()
    
    There is this number format:
    
        <number:date-style style:name="N36" number:automatic-order="true">
          <number:day number:style="long"/>
          <number:text>.</number:text>
          <number:month number:style="long"/>
          <number:text>.</number:text>
          <number:year number:style="long"/>
        </number:date-style>
    
    in a paragraph which has fo:language="zxx", so the field has
    LANGUAGE_NONE.
    
    MSWordExportBase::GetNumberFormat() exports as: DATE \@"dd/MM/yyyy"
    
    But should be: DATE \@"dd.MM.yyyy"
    
    Follow Eike's suggestion to use the number format's language in case the
    field doesn't have one.
    
    Change-Id: I596bea5daa75c717931b3c5d5506103b87b8ee08
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/134638
    Tested-by: Jenkins
    Reviewed-by: Michael Stahl <[email protected]>

diff --git a/svl/qa/unit/svl.cxx b/svl/qa/unit/svl.cxx
index 523e998c60c1..f125305783c5 100644
--- a/svl/qa/unit/svl.cxx
+++ b/svl/qa/unit/svl.cxx
@@ -93,7 +93,7 @@ public:
     CPPUNIT_TEST(testExcelExportFormats);
     CPPUNIT_TEST_SUITE_END();
 
-private:
+protected:
     uno::Reference< uno::XComponentContext > m_xContext;
     void checkPreviewString(SvNumberFormatter& aFormatter,
                             const OUString& sCode,
@@ -1920,6 +1920,19 @@ void Test::testExcelExportFormats()
     CPPUNIT_ASSERT_EQUAL( OUString("[$R-1C09]\\ #,##0.0;[$R-1C09]\\-#,##0.0"), 
aCode);
 }
 
+CPPUNIT_TEST_FIXTURE(Test, testLanguageNone)
+{
+    SvNumberFormatter aFormatter(m_xContext, LANGUAGE_ENGLISH_US);
+    NfKeywordTable keywords;
+    aFormatter.FillKeywordTableForExcel(keywords);
+    OUString code("TT.MM.JJJJ");
+    sal_uInt32 nKey = aFormatter.GetEntryKey(code, LANGUAGE_GERMAN);
+    CPPUNIT_ASSERT(nKey != NUMBERFORMAT_ENTRY_NOT_FOUND);
+    SvNumberformat const*const pFormat = aFormatter.GetEntry(nKey);
+    LocaleDataWrapper ldw(m_xContext, LanguageTag(pFormat->GetLanguage()));
+    CPPUNIT_ASSERT_EQUAL(OUString("dd.mm.yyyy"), 
pFormat->GetMappedFormatstring(keywords, ldw));
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(Test);
 
 }
diff --git a/sw/source/filter/ww8/ww8atr.cxx b/sw/source/filter/ww8/ww8atr.cxx
index b5f354e46d84..78bbb5219e57 100644
--- a/sw/source/filter/ww8/ww8atr.cxx
+++ b/sw/source/filter/ww8/ww8atr.cxx
@@ -2601,6 +2601,11 @@ bool MSWordExportBase::GetNumberFormat(const SwField& 
rField, OUString& rStr)
     if( pNumFormat )
     {
         LanguageType nLng = rField.GetLanguage();
+        SAL_WARN_IF(nLng == LANGUAGE_DONTKNOW, "sw.ww8", "unexpected 
LANGUAGE_DONTKNOW");
+        if (nLng == LANGUAGE_NONE || nLng == LANGUAGE_DONTKNOW)
+        {
+            nLng = pNumFormat->GetLanguage();
+        }
         LocaleDataWrapper aLocDat(pNFormatr->GetComponentContext(),
                                   LanguageTag(nLng));
 

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