private void SaveSettings()
		{
			var path = m_saveSettingsFileBox.Text.Trim();
			//if (!string.IsNullOrEmpty(path))
			//    FwRegistryHelper.FieldWorksRegistryKey.SetValue(kSfmImportSettingsRegistryKeyName, path);
			if (string.IsNullOrEmpty(path))
				return;
			var mappingsToSave = new List<InterlinearMapping>(m_mappings);
			// We will save our current mappings and any others from the file we loaded (may be useful if these
			// settings are later applied to another file).
			if (m_oldMappings != null)
			{
				var currentMarkers = new HashSet<string>(from map in m_mappings select map.Marker);
				foreach (var mapping in m_oldMappings)
				{
					if (!currentMarkers.Contains(mapping.Marker))
						mappingsToSave.Add(mapping);
				}
			}
			try
			{
				XmlSerializer serializer = new XmlSerializer(mappingsToSave.GetType());
				using (var writer = new StreamWriter(path))
				{
					serializer.Serialize(writer, mappingsToSave);
					writer.Close();
				}
			}
			catch (IOException ex)
			{
				var msg = string.Format(ITextStrings.ksErrorWritingSettings, path, ex.Message);
				MessageBox.Show(this, msg, ITextStrings.ksError, MessageBoxButtons.OK, MessageBoxIcon.Warning);
				return;
			}
		}