Index: oldactions.c
===================================================================
--- oldactions.c	(revision 31215)
+++ oldactions.c	(revision 31216)
@@ -371,6 +371,94 @@
 	return 1;
 }
 
+static const char pcb_acts_MinClearGap[] = "MinClearGap(delta)\n" "MinClearGap(Selected, delta)";
+static const char pcb_acth_MinClearGap[] = "Ensures that polygons are a minimum distance from objects.";
+/* DOC: mincleargap.html */
+static void minclr(pcb_data_t *data, rnd_coord_t value, int flags)
+{
+	PCB_SUBC_LOOP(data);
+	{
+		if (!PCB_FLAGS_TEST(flags, subc))
+			continue;
+		minclr(subc->data, value, 0);
+	}
+	PCB_END_LOOP;
+
+	PCB_PADSTACK_LOOP(data);
+	{
+		if (!PCB_FLAGS_TEST(flags, padstack))
+			continue;
+		if (padstack->Clearance < value) {
+			pcb_chg_obj_clear_size(PCB_OBJ_PSTK, padstack, 0, 0, value, 1);
+			pcb_undo_restore_serial();
+		}
+	}
+	PCB_END_LOOP;
+
+	PCB_LINE_ALL_LOOP(data);
+	{
+		if (!PCB_FLAGS_TEST(flags, line))
+			continue;
+		if ((line->Clearance != 0) && (line->Clearance < value)) {
+			pcb_chg_obj_clear_size(PCB_OBJ_LINE, layer, line, 0, value, 1);
+			pcb_undo_restore_serial();
+		}
+	}
+	PCB_ENDALL_LOOP;
+	PCB_ARC_ALL_LOOP(data);
+	{
+		if (!PCB_FLAGS_TEST(flags, arc))
+			continue;
+		if ((arc->Clearance != 0) && (arc->Clearance < value)) {
+			pcb_chg_obj_clear_size(PCB_OBJ_ARC, layer, arc, 0, value, 1);
+			pcb_undo_restore_serial();
+		}
+	}
+	PCB_ENDALL_LOOP;
+	PCB_POLY_ALL_LOOP(data);
+	{
+		if (!PCB_FLAGS_TEST(flags, polygon))
+			continue;
+		if ((polygon->Clearance != 0) && (polygon->Clearance < value)) {
+			pcb_chg_obj_clear_size(PCB_OBJ_POLY, layer, polygon, 0, value, 1);
+			pcb_undo_restore_serial();
+		}
+	}
+	PCB_ENDALL_LOOP;
+}
+
+static fgw_error_t pcb_act_MinClearGap(fgw_arg_t *res, int argc, fgw_arg_t *argv)
+{
+	pcb_board_t *pcb = PCB_ACT_BOARD;
+	const char *function;
+	const char *delta = NULL;
+	const char *units = NULL;
+	rnd_bool absolute;
+	rnd_coord_t value;
+	int flags;
+
+	RND_ACT_CONVARG(1, FGW_STR, MinClearGap, function = argv[1].val.str);
+	RND_ACT_MAY_CONVARG(2, FGW_STR, MinClearGap, delta = argv[2].val.str);
+	RND_ACT_MAY_CONVARG(3, FGW_STR, MinClearGap, delta = argv[3].val.str);
+
+	if (rnd_strcasecmp(function, "Selected") == 0)
+		flags = PCB_FLAG_SELECTED;
+	else {
+		units = delta;
+		delta = function;
+		flags = 0;
+	}
+	value = 2 * rnd_get_value(delta, units, &absolute, NULL);
+
+	pcb_undo_save_serial();
+	minclr(pcb->Data, value, flags);
+	pcb_undo_restore_serial();
+	pcb_undo_inc_serial();
+	RND_ACT_IRES(0);
+	return 0;
+}
+
+
 rnd_action_t oldactions_action_list[] = {
 	{"DumpLibrary", pcb_act_DumpLibrary, pcb_acth_DumpLibrary, pcb_acts_DumpLibrary},
 	{"Bell", pcb_act_Bell, pcb_acth_Bell, pcb_acts_Bell},
@@ -391,6 +479,7 @@
 	/* deprecated actions */
 	{"ToggleHideName", pcb_act_ToggleHideName, 0, 0},
 	{"MinMaskGap", pcb_act_MinMaskGap, 0, 0},
+	{"MinClearGap", pcb_act_MinClearGap, pcb_acth_MinClearGap, pcb_acts_MinClearGap},
 	{"ChangeHole", pcb_act_ChangeHole, 0, 0},
 	{"ChangePaste", pcb_act_ChangePaste, 0, 0},
 	{"ChangeSquare", pcb_act_ChangeSquare, 0, 0},