tdf#105483: let's put lowercase Greek letter in italic

and let uppercase one in non italic
See comments from tdf#52225 in addition to initial description of this one

+ adapt QA tests associated (keep on to test "0" case)

Change-Id: Ia84685fc5d336dd96b97d02c0e81f92e7966a6f1
Reviewed-on: https://gerrit.libreoffice.org/33480Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Takeshi Abe <tabe@fixedpoint.jp>

officecfg/registry/schema/org/openoffice/Office/Math.xcs

@@ -412,7 +412,7 @@
             </info>
           </maxInclusive>
         </constraints>
-        <value>0</value>
+        <value>2</value>
       </prop>
       <prop oor:name="ScaleNormalBracket" oor:type="xs:boolean" oor:nillable="false">
         <!-- OldPath: Math/StandardFormat -->

starmath/qa/cppunit/test_node.cxx

@@ -105,10 +105,10 @@ void NodeTest::testTdf52225()
     } while (false)
 
     SmFormat aFormat = mxDocShell->GetFormat();
-    CPPUNIT_ASSERT_EQUAL(sal_Int16(0), aFormat.GetGreekCharStyle()); // default format
+    CPPUNIT_ASSERT_EQUAL(sal_Int16(2), aFormat.GetGreekCharStyle()); // default format = 2
     CHECK_GREEK_SYMBOL("%ALPHA", 0x0391, false);
     CHECK_GREEK_SYMBOL("%iALPHA", 0x0391, true);
-    CHECK_GREEK_SYMBOL("%alpha", 0x03b1, false);
+    CHECK_GREEK_SYMBOL("%alpha", 0x03b1, true);
     CHECK_GREEK_SYMBOL("%ialpha", 0x03b1, true);
 
     // mode 1
@@ -119,12 +119,12 @@ void NodeTest::testTdf52225()
     CHECK_GREEK_SYMBOL("%beta", 0x03b2, true);
     CHECK_GREEK_SYMBOL("%ibeta", 0x03b2, true);
 
-    // mode 2
-    aFormat.SetGreekCharStyle(2);
+    // mode 0
+    aFormat.SetGreekCharStyle(0);
     mxDocShell->SetFormat(aFormat);
     CHECK_GREEK_SYMBOL("%GAMMA", 0x0393, false);
     CHECK_GREEK_SYMBOL("%iGAMMA", 0x0393, true);
-    CHECK_GREEK_SYMBOL("%gamma", 0x03b3, true);
+    CHECK_GREEK_SYMBOL("%gamma", 0x03b3, false);
     CHECK_GREEK_SYMBOL("%igamma", 0x03b3, true);
 
 #undef CHECK_GREEK_SYMBOL

starmath/qa/extras/mmlexport-test.cxx

@@ -132,13 +132,13 @@ void MathMLExportTest::testTdf101022()
     }                                                                   \
     while (false)
 
-    CHECK_MATHVARIANT(false, false); // default mode 0
+    CHECK_MATHVARIANT(false, true); // default mode 2
 
     mxDocShell->SetGreekCharStyle(1); // mode 1
     CHECK_MATHVARIANT(true, true);
 
-    mxDocShell->SetGreekCharStyle(2); // mode 2
-    CHECK_MATHVARIANT(false, true);
+    mxDocShell->SetGreekCharStyle(0); // mode 0
+    CHECK_MATHVARIANT(false, false);
 
 #undef CHECK_MATHVARIANT
 }