--- qwt-6.0.2-orig/textengines/mathml/qwt_mml_document.cpp	2012-12-01 00:22:46.752106265 +1100
+++ qwt-6.0.2/textengines/mathml/qwt_mml_document.cpp	2013-01-31 14:29:30.590197611 +1100
@@ -4421,7 +4421,10 @@
         if ( ok )
             return value;
         else
-            qWarning( "Could not convert %s to form", value_str.toLatin1().data() );
+        {
+            QByteArray value_str_ba = value_str.toLatin1();
+            qWarning( "Could not convert %s to form", value_str_ba.data() );
+        }
 
     }
 
@@ -4658,7 +4661,10 @@
                 continue;
             }
             else
-                qWarning( "MmlMtableNode::layoutSymbol(): could not parse value %s%%", value.toLatin1().data() );
+            {
+                QByteArray value_ba = value.toLatin1();
+                qWarning( "MmlMtableNode::layoutSymbol(): could not parse value %s%%", value_ba.data() );
+            }
         }
 
         // Relatively sized column, but we failed to parse the factor. Treat is like an auto
@@ -5167,7 +5173,8 @@
     double factor = factor_str.toFloat( &float_ok );
     if ( !float_ok || factor < 0 )
     {
-        qWarning( "MmlMpaddedNode::interpretSpacing(): could not parse \"%s\"", value.toLatin1().data() );
+        QByteArray value_ba = value.toLatin1();
+        qWarning( "MmlMpaddedNode::interpretSpacing(): could not parse \"%s\"", value_ba.data() );
         return 0;
     }
 
@@ -5196,7 +5203,8 @@
         unit_size = QwtMmlNode::interpretSpacing( "1" + pseudo_unit, &unit_ok );
         if ( !unit_ok )
         {
-            qWarning( "MmlMpaddedNode::interpretSpacing(): could not parse \"%s\"", value.toLatin1().data() );
+            QByteArray value_ba = value.toLatin1();
+            qWarning( "MmlMpaddedNode::interpretSpacing(): could not parse \"%s\"", value_ba.data() );
             return 0;
         }
     }
@@ -5368,7 +5376,8 @@
             return ( int )( em * factor );
         else
         {
-            qWarning( "interpretSpacing(): could not parse \"%sem\"", value.toLatin1().data() );
+            QByteArray value_ba = value.toLatin1();
+            qWarning( "interpretSpacing(): could not parse \"%sem\"", value_ba.data() );
             if ( ok != 0 )
                 *ok = false;
             return 0;
@@ -5384,7 +5393,8 @@
             return ( int )( ex * factor );
         else
         {
-            qWarning( "interpretSpacing(): could not parse \"%sex\"", value.toLatin1().data() );
+            QByteArray value_ba = value.toLatin1();
+            qWarning( "interpretSpacing(): could not parse \"%sex\"", value_ba.data() );
             if ( ok != 0 )
                 *ok = false;
             return 0;
@@ -5406,7 +5416,8 @@
         }
         else
         {
-            qWarning( "interpretSpacing(): could not parse \"%scm\"", value.toLatin1().data() );
+            QByteArray value_ba = value.toLatin1();
+            qWarning( "interpretSpacing(): could not parse \"%scm\"", value_ba.data() );
             if ( ok != 0 )
                 *ok = false;
             return 0;
@@ -5428,7 +5439,8 @@
         }
         else
         {
-            qWarning( "interpretSpacing(): could not parse \"%smm\"", value.toLatin1().data() );
+            QByteArray value_ba = value.toLatin1();
+            qWarning( "interpretSpacing(): could not parse \"%smm\"", value_ba.data() );
             if ( ok != 0 )
                 *ok = false;
             return 0;
@@ -5450,7 +5462,8 @@
         }
         else
         {
-            qWarning( "interpretSpacing(): could not parse \"%sin\"", value.toLatin1().data() );
+            QByteArray value_ba = value.toLatin1();
+            qWarning( "interpretSpacing(): could not parse \"%sin\"", value_ba.data() );
             if ( ok != 0 )
                 *ok = false;
             return 0;
@@ -5466,7 +5479,8 @@
             return i;
         else
         {
-            qWarning( "interpretSpacing(): could not parse \"%spx\"", value.toLatin1().data() );
+            QByteArray value_ba = value.toLatin1();
+            qWarning( "interpretSpacing(): could not parse \"%spx\"", value_ba.data() );
             if ( ok != 0 )
                 *ok = false;
             return 0;
@@ -5478,7 +5492,8 @@
     if ( float_ok && i >= 0 )
         return i;
 
-    qWarning( "interpretSpacing(): could not parse \"%s\"", value.toLatin1().data() );
+    QByteArray value_ba = value.toLatin1();
+    qWarning( "interpretSpacing(): could not parse \"%s\"", value_ba.data() );
     if ( ok != 0 )
         *ok = false;
     return 0;
@@ -5503,7 +5518,8 @@
         return ( int )( base * factor / 100.0 );
     }
 
-    qWarning( "interpretPercentSpacing(): could not parse \"%s%%\"", value.toLatin1().data() );
+    QByteArray value_ba = value.toLatin1();
+    qWarning( "interpretPercentSpacing(): could not parse \"%s%%\"", value_ba.data() );
     if ( ok != 0 )
         *ok = false;
     return 0;
@@ -5528,7 +5544,8 @@
         return pt_size;
     }
 
-    qWarning( "interpretPointSize(): could not parse \"%spt\"", value.toLatin1().data() );
+    QByteArray value_ba = value.toLatin1();
+    qWarning( "interpretPointSize(): could not parse \"%spt\"", value_ba.data() );
     if ( ok != 0 )
         *ok = false;
     return 0;
@@ -5737,7 +5754,8 @@
 */
 static const QwtMmlOperSpec *searchOperSpecData( const QString &name )
 {
-    const char *name_latin1 = name.toLatin1().data();
+    QByteArray name_latin1_ba = name.toLatin1();
+    const char *name_latin1 = name_latin1_ba.data();
 
     // binary search
     // establish invariant g_oper_spec_data[begin].name < name < g_oper_spec_data[end].name
@@ -5789,7 +5807,8 @@
         if ( spec == 0 )
             continue;
 
-        const char *name_latin1 = name.toLatin1().data();
+        QByteArray name_ba = name.toLatin1();
+        const char *name_latin1 = name_ba.data();
 
         // backtrack to the first instance of name
         while ( spec > g_oper_spec_data && qstrcmp( ( spec - 1 )->name, name_latin1 ) == 0 )
@@ -5918,7 +5937,8 @@
     if ( ok != 0 )
         *ok = false;
 
-    qWarning( "interpretMathVariant(): could not parse value: \"%s\"", value.toLatin1().data() );
+    QByteArray value_ba = value.toLatin1();
+    qWarning( "interpretMathVariant(): could not parse value: \"%s\"", value_ba.data() );
 
     return QwtMml::NormalMV;
 }
@@ -5938,7 +5958,8 @@
     if ( ok != 0 )
         *ok = false;
 
-    qWarning( "interpretForm(): could not parse value \"%s\"", value.toLatin1().data() );
+    QByteArray value_ba = value.toLatin1();
+    qWarning( "interpretForm(): could not parse value \"%s\"", value_ba.data() );
     return QwtMml::InfixForm;
 }
 
@@ -5959,7 +5980,8 @@
     if ( ok != 0 )
         *ok = false;
 
-    qWarning( "interpretColAlign(): could not parse value \"%s\"", value.toLatin1().data() );
+    QByteArray value_ba = value.toLatin1();
+    qWarning( "interpretColAlign(): could not parse value \"%s\"", value_ba.data() );
     return QwtMml::ColAlignCenter;
 }
 
@@ -5984,7 +6006,8 @@
     if ( ok != 0 )
         *ok = false;
 
-    qWarning( "interpretRowAlign(): could not parse value \"%s\"", value.toLatin1().data() );
+    QByteArray value_ba = value.toLatin1();
+    qWarning( "interpretRowAlign(): could not parse value \"%s\"", value_ba.data() );
     return QwtMml::RowAlignAxis;
 }
 
@@ -6018,7 +6041,8 @@
     if ( ok != 0 )
         *ok = false;
 
-    qWarning( "interpretFrameType(): could not parse value \"%s\"", value.toLatin1().data() );
+    QByteArray value_ba = value.toLatin1();
+    qWarning( "interpretFrameType(): could not parse value \"%s\"", value_ba.data() );
     return QwtMml::FrameNone;
 }
 
@@ -6030,7 +6054,8 @@
     QStringList l = value_list.split( ' ' );
     if ( l.count() != 2 )
     {
-        qWarning( "interpretFrameSpacing: could not parse value \"%s\"", value_list.toLatin1().data() );
+        QByteArray value_list_ba = value_list.toLatin1();
+        qWarning( "interpretFrameSpacing: could not parse value \"%s\"", value_list_ba.data() );
         if ( ok != 0 )
             *ok = false;
         return QwtMml::FrameSpacing( ( int )( 0.4 * em ), ( int )( 0.5 * ex ) );
@@ -6089,7 +6114,10 @@
         else if ( value == "bold" )
             fn.setBold( true );
         else
-            qWarning( "interpretDepreciatedFontAttr(): could not parse fontweight \"%s\"", value.toLatin1().data() );
+        {
+            QByteArray value_ba = value.toLatin1();
+            qWarning( "interpretDepreciatedFontAttr(): could not parse fontweight \"%s\"", value_ba.data() );
+        }
     }
 
     if ( font_attr.contains( "fontstyle" ) )
@@ -6100,7 +6128,10 @@
         else if ( value == "italic" )
             fn.setItalic( true );
         else
-            qWarning( "interpretDepreciatedFontAttr(): could not parse fontstyle \"%s\"", value.toLatin1().data() );
+        {
+            QByteArray value_ba = value.toLatin1();
+            qWarning( "interpretDepreciatedFontAttr(): could not parse fontstyle \"%s\"", value_ba.data() );
+        }
     }
 
     if ( font_attr.contains( "fontfamily" ) )
@@ -6150,7 +6181,8 @@
 
     if ( ok != 0 )
         *ok = false;
-    qWarning( "interpretMathSize(): could not parse mathsize \"%s\"", value.toLatin1().data() );
+    QByteArray value_ba = value.toLatin1();
+    qWarning( "interpretMathSize(): could not parse mathsize \"%s\"", value_ba.data() );
     return fn;
 }