Index: trunk/scconfig/gen_conf.sh
===================================================================
--- trunk/scconfig/gen_conf.sh	(revision 2047)
+++ trunk/scconfig/gen_conf.sh	(revision 2048)
@@ -52,9 +52,23 @@
 		if (desc == "")
 			desc = "<" name ">"
 
+		flags = "";
+		while(match("@[a-zA-Z_]+", desc)) {
+			flag=substr(desc, RSTART, RLENGTH)
+			sub("[ \t]*" flag "[ \t]*", " ", desc)
+			sub("^@", "",flag)
+			flag="CFF_" toupper(flag)
+			if (flags == "")
+				flags = flag
+			else
+				flags = flags " | " flag
+		}
+		if (flags == "")
+			flags = 0;
+
 		path_tmp=path
 		sub("^/", "", path_tmp)
-		printf("conf_reg(%-36s %s %-16s %-25s %-25s %s)\n", id cm, (array ? "array, " : "scalar,"), type cm, q path_tmp q cm, q name q cm, q desc q)
+		printf("conf_reg(%-36s %s %-16s %-25s %-25s %s, %s)\n", id cm, (array ? "array, " : "scalar,"), type cm, q path_tmp q cm, q name q cm, q desc q, flags)
 		
 	}
 
Index: trunk/src/conf.c
===================================================================
--- trunk/src/conf.c	(revision 2047)
+++ trunk/src/conf.c	(revision 2048)
@@ -645,7 +645,7 @@
 	return !strcmp(a, b);
 }
 
-void conf_reg_field_(void *value, int array_size, conf_native_type_t type, const char *path, const char *desc)
+void conf_reg_field_(void *value, int array_size, conf_native_type_t type, const char *path, const char *desc, conf_flag_t flags)
 {
 	conf_native_t *node;
 
@@ -664,6 +664,7 @@
 	node->prop        = calloc(sizeof(confprop_t), array_size);
 	node->description = desc;
 	node->hash_path   = path;
+	node->flags       = flags;
 	vtp0_init(&(node->hid_data));
 
 	htsp_set(conf_fields, (char *)path, node);
Index: trunk/src/conf.h
===================================================================
--- trunk/src/conf.h	(revision 2047)
+++ trunk/src/conf.h	(revision 2048)
@@ -40,6 +40,10 @@
 	POL_invalid
 } conf_policy_t;
 
+typedef enum { /* bitfield */
+	CFF_USAGE = 1    /* settings should be printed in usage help */
+} conf_flag_t;
+
 typedef union conflist_u conflist_t;
 
 typedef char *      CFT_STRING;
@@ -88,6 +92,7 @@
 	const char *hash_path;     /* points to the hash key once its added in the hash (else: NULL) */
 	int array_size;
 	conf_native_type_t type;
+	conf_flag_t flags;
 	struct {
 		unsigned io_pcb_no_attrib:1;
 		unsigned read_only:1;         /* set by conf_core, has no lihata, should not be overwritten */
@@ -137,7 +142,7 @@
 void conf_update(const char *path);
 
 conf_native_t *conf_get_field(const char *path);
-void conf_reg_field_(void *value, int array_size, conf_native_type_t type, const char *path, const char *desc);
+void conf_reg_field_(void *value, int array_size, conf_native_type_t type, const char *path, const char *desc, conf_flag_t flags);
 
 void conf_unreg_fields(const char *prefix);
 
@@ -165,15 +170,15 @@
 /* Attempt to consume argv[] using conf_set_from_cli */
 void conf_parse_arguments(const char *prefix, int *argc, char ***argv);
 
-#define conf_reg_field_array(globvar, field, type_name, path, desc) \
-	conf_reg_field_((void *)&globvar.field, (sizeof(globvar.field) / sizeof(globvar.field[0])), type_name, path, desc)
+#define conf_reg_field_array(globvar, field, type_name, path, desc, flags) \
+	conf_reg_field_((void *)&globvar.field, (sizeof(globvar.field) / sizeof(globvar.field[0])), type_name, path, desc, flags)
 
-#define conf_reg_field_scalar(globvar, field, type_name, path, desc) \
-	conf_reg_field_((void *)&globvar.field, 1, type_name, path, desc)
+#define conf_reg_field_scalar(globvar, field, type_name, path, desc, flags) \
+	conf_reg_field_((void *)&globvar.field, 1, type_name, path, desc, flags)
 
 /* register a config field, array or scalar, selecting the right macro */
-#define conf_reg_field(globvar,   field,isarray,type_name,cpath,cname, desc) \
-	conf_reg_field_ ## isarray(globvar, field,type_name,cpath "/" cname, desc)
+#define conf_reg_field(globvar,   field,isarray,type_name,cpath,cname, desc, flags) \
+	conf_reg_field_ ## isarray(globvar, field,type_name,cpath "/" cname, desc, flags)
 
 /* convert a policy text to policy value - return POL_invalid on error */
 conf_policy_t conf_policy_parse(const char *s);
Index: trunk/src/conf_core.c
===================================================================
--- trunk/src/conf_core.c	(revision 2047)
+++ trunk/src/conf_core.c	(revision 2048)
@@ -4,8 +4,8 @@
 
 void conf_core_init()
 {
-#define conf_reg(field,isarray,type_name,cpath,cname,desc) \
-	conf_reg_field(conf_core, field,isarray,type_name,cpath,cname,desc);
+#define conf_reg(field,isarray,type_name,cpath,cname,desc,flags) \
+	conf_reg_field(conf_core, field,isarray,type_name,cpath,cname,desc,flags);
 #include "conf_core_fields.h"
 }
 
Index: trunk/src_plugins/djopt/djopt.c
===================================================================
--- trunk/src_plugins/djopt/djopt.c	(revision 2047)
+++ trunk/src_plugins/djopt/djopt.c	(revision 2048)
@@ -2696,8 +2696,8 @@
 #include "dolists.h"
 pcb_uninit_t hid_djopt_init(void)
 {
-#define conf_reg(field,isarray,type_name,cpath,cname,desc) \
-	conf_reg_field(conf_djopt, field,isarray,type_name,cpath,cname,desc);
+#define conf_reg(field,isarray,type_name,cpath,cname,desc,flags) \
+	conf_reg_field(conf_djopt, field,isarray,type_name,cpath,cname,desc,flags);
 #include "djopt_conf_fields.h"
 
 	REGISTER_ACTIONS(djopt_action_list, djopt_cookie)
Index: trunk/src_plugins/hid_gtk/gtkhid-main.c
===================================================================
--- trunk/src_plugins/hid_gtk/gtkhid-main.c	(revision 2047)
+++ trunk/src_plugins/hid_gtk/gtkhid-main.c	(revision 2048)
@@ -1998,8 +1998,8 @@
 
 	hid_register_hid(&ghid_hid);
 
-#define conf_reg(field,isarray,type_name,cpath,cname,desc) \
-	conf_reg_field(conf_hid_gtk, field,isarray,type_name,cpath,cname,desc);
+#define conf_reg(field,isarray,type_name,cpath,cname,desc,flags) \
+	conf_reg_field(conf_hid_gtk, field,isarray,type_name,cpath,cname,desc,flags);
 #include "hid_gtk_conf_fields.h"
 
 	return NULL;
Index: trunk/src_plugins/import_sch/import_sch.c
===================================================================
--- trunk/src_plugins/import_sch/import_sch.c	(revision 2047)
+++ trunk/src_plugins/import_sch/import_sch.c	(revision 2048)
@@ -453,8 +453,8 @@
 	char *tmp;
 
 	REGISTER_ACTIONS(import_sch_action_list, import_sch_cookie)
-#define conf_reg(field,isarray,type_name,cpath,cname,desc) \
-	conf_reg_field(conf_import_sch, field,isarray,type_name,cpath,cname,desc);
+#define conf_reg(field,isarray,type_name,cpath,cname,desc,flags) \
+	conf_reg_field(conf_import_sch, field,isarray,type_name,cpath,cname,desc,flags);
 #include "import_sch_conf_fields.h"
 
 	/* Compatibility: get some settings from the env */
Index: trunk/src_plugins/mincut/rats_mincut.c
===================================================================
--- trunk/src_plugins/mincut/rats_mincut.c	(revision 2047)
+++ trunk/src_plugins/mincut/rats_mincut.c	(revision 2048)
@@ -413,8 +413,8 @@
 {
 	stub_rat_found_short = rat_found_short;
 	stub_rat_proc_shorts = rat_proc_shorts;
-#define conf_reg(field,isarray,type_name,cpath,cname,desc) \
-	conf_reg_field(conf_mincut, field,isarray,type_name,cpath,cname,desc);
+#define conf_reg(field,isarray,type_name,cpath,cname,desc,flags) \
+	conf_reg_field(conf_mincut, field,isarray,type_name,cpath,cname,desc,flags);
 #include "rats_mincut_conf_fields.h"
 	return hid_mincut_uninit;
 }
Index: trunk/src_plugins/vendordrill/vendor.c
===================================================================
--- trunk/src_plugins/vendordrill/vendor.c	(revision 2047)
+++ trunk/src_plugins/vendordrill/vendor.c	(revision 2048)
@@ -751,8 +751,8 @@
 #include "dolists.h"
 pcb_uninit_t hid_vendordrill_init(void)
 {
-#define conf_reg(field,isarray,type_name,cpath,cname,desc) \
-	conf_reg_field(conf_vendor, field,isarray,type_name,cpath,cname,desc);
+#define conf_reg(field,isarray,type_name,cpath,cname,desc,flags) \
+	conf_reg_field(conf_vendor, field,isarray,type_name,cpath,cname,desc,flags);
 #include "vendor_conf_fields.h"
 
 	stub_vendorDrillMap = vendorDrillMap;