m_preferences.insert( PreferenceEntries::value_type( name, PreferenceEntry( importer, exporter ) ) );
PreferenceCache::iterator i = m_cache.find( name );
if ( i != m_cache.end() ) {
m_preferences.insert( PreferenceEntries::value_type( name, PreferenceEntry( importer, exporter ) ) );
PreferenceCache::iterator i = m_cache.find( name );
if ( i != m_cache.end() ) {