{ 0, 0, 100, NULL, (void*) &filterPtr, "", NULL, TextBox, "" },
{ 4, SAME_ROW, 0, NULL, (void*) &GL_Button, NULL, NULL, Button, N_("find position") },
{ 2, SAME_ROW, 0, NULL, (void*) &GL_Button, NULL, NULL, Button, N_("narrow") }, // buttons referred to by ID in value (=first) field!
{ 0, 0, 100, NULL, (void*) &filterPtr, "", NULL, TextBox, "" },
{ 4, SAME_ROW, 0, NULL, (void*) &GL_Button, NULL, NULL, Button, N_("find position") },
{ 2, SAME_ROW, 0, NULL, (void*) &GL_Button, NULL, NULL, Button, N_("narrow") }, // buttons referred to by ID in value (=first) field!