Index: trunk/src_3rd/rnd_inclib/lib_bom/lib_bom.c
===================================================================
--- trunk/src_3rd/rnd_inclib/lib_bom/lib_bom.c	(revision 38519)
+++ trunk/src_3rd/rnd_inclib/lib_bom/lib_bom.c	(revision 38520)
@@ -102,6 +102,8 @@
 	templ->needs_escape = get_templ(templates, tid, "needs_escape");
 	templ->skip_if_empty= get_templ(templates, tid, "skip_if_empty");
 	templ->skip_if_nonempty = get_templ(templates, tid, "skip_if_nonempty");
+	templ->list_sep     = get_templ(templates, tid, "list_sep");
+
 }
 
 /*** subst ***/
@@ -284,6 +286,9 @@
 	ctx->needs_escape = templ->needs_escape;
 	ctx->templ = templ;
 	ctx->f = f;
+	ctx->list_sep = templ->list_sep;
+	if (ctx->list_sep == NULL)
+		ctx->list_sep = " ";
 }
 
 static void bom_print_add(bom_subst_ctx_t *ctx, bom_obj_t *obj, const char *name)
@@ -336,7 +341,7 @@
 	}
 	else {
 		i->cnt++;
-		gds_append(&i->name_list, ' ');
+		gds_append_str(&i->name_list, ctx->list_sep);
 	}
 
 	gds_append_str(&i->name_list, name);
Index: trunk/src_3rd/rnd_inclib/lib_bom/lib_bom.h
===================================================================
--- trunk/src_3rd/rnd_inclib/lib_bom/lib_bom.h	(revision 38519)
+++ trunk/src_3rd/rnd_inclib/lib_bom/lib_bom.h	(revision 38520)
@@ -42,6 +42,7 @@
 	const char *escape; /* escape character */
 	const char *skip_if_empty; /* if this template is not empty: render the template for each item and do not include the item if the rendered string is empty */
 	const char *skip_if_nonempty; /* if this template is not empty: render the template for each item and do not include the item if the rendered string is not empty */
+	const char *list_sep; /* separator sequence used when building a list */
 } bom_template_t;
 
 static vts0_t bom_fmt_names; /* array of const char * long name of each format, pointing into the conf database */
@@ -81,6 +82,9 @@
 	vtp0_t arr;
 	const bom_template_t *templ;
 	FILE *f;
+
+	/* separator sequence used when printing lists */
+	const char *list_sep;
 } bom_subst_ctx_t;
 
 /* Export a file; call begin, then loop over all items and call _add, then call
Index: trunk/src_plugins/export_bom/export_bom.conf
===================================================================
--- trunk/src_plugins/export_bom/export_bom.conf	(revision 38519)
+++ trunk/src_plugins/export_bom/export_bom.conf	(revision 38520)
@@ -19,6 +19,7 @@
 geda.footer = {}
 geda.needs_escape = {"}
 geda.skip_if_nonempty = {%subc.a.dnp%}
+geda.list_sep = { }
 
 ### conf file footer (compacted)
 } } } } }