first problem resolved: url bar is no more red if bookmarkfile is empty, and empty or duplicate bookmarks are removed from the list; refs #147

src/browser.hxx

@@ -878,6 +878,8 @@ class Browser: public QMainWindow, protected Ui::Browser {
       if (qobject_cast<QComboBox*>(_url))
         for (int i(0); i<qobject_cast<QComboBox*>(_url)->count(); ++i)
           urls<<qobject_cast<QComboBox*>(_url)->itemText(i);
+      urls.removeAll("");
+      urls.removeDuplicates();
       if (_bookmarkfile.writeable()) {
         LOG<<"write to bookmark file";
         _bookmarkfile.write(urls);
@@ -915,6 +917,8 @@ class Browser: public QMainWindow, protected Ui::Browser {
         LOG<<"load from settings";
         urls = _settings()->value("Window/Urls").toStringList();
       }
+      urls.removeAll("");
+      urls.removeDuplicates();
       if (qobject_cast<QComboBox*>(_url)) {
         QString ci(qobject_cast<QComboBox*>(_url)->currentText());
         qobject_cast<QComboBox*>(_url)->clear();