VikTrwLayer *vtl, VikTrack *track, /* both passed to acquire, although for many filters only one ness */
const gchar *menu_title, vik_datasource_inputtype_t inputtype )
{
VikTrwLayer *vtl, VikTrack *track, /* both passed to acquire, although for many filters only one ness */
const gchar *menu_title, vik_datasource_inputtype_t inputtype )
{