Merge pull request #1261 from laanwj/2012_05_escapecsv

Properly escape strings when exporting CSV

src/qt/csvmodelwriter.cpp

@@ -27,8 +27,9 @@ void CSVModelWriter::addColumn(const QString &title, int column, int role)
 
 static void writeValue(QTextStream &f, const QString &value)
 {
-    // TODO: quoting if " or \n in string
+    QString escaped = value;
-    f << "\"" << value << "\"";
+    escaped.replace('"', "\"\"");
+    f << "\"" << escaped << "\"";
 }
 
 static void writeSep(QTextStream &f)