Index: trunk/src/layer_grp.h
===================================================================
--- trunk/src/layer_grp.h	(revision 22852)
+++ trunk/src/layer_grp.h	(revision 22853)
@@ -113,6 +113,9 @@
    (.grp = -1), else layers are deleted too */
 int pcb_layergrp_del(pcb_board_t *pcb, pcb_layergrp_id_t gid, int del_layers);
 
+/* Remove a layer from a group */
+int pcb_layergrp_del_layer(pcb_board_t *pcb, pcb_layergrp_id_t gid, pcb_layer_id_t lid);
+
 /* Duplicate a layer group (with no layers); if auto_substrate is set, insert
    a substrate layer automatically if needed */
 pcb_layergrp_id_t pcb_layergrp_dup(pcb_board_t *pcb, pcb_layergrp_id_t gid, int auto_substrate);