Index: obj_common.c
===================================================================
--- obj_common.c	(revision 31094)
+++ obj_common.c	(revision 31095)
@@ -161,6 +161,8 @@
 	}
 }
 
+#define istrue(s) ((*(s) == '1') || (*(s) == 'y') || (*(s) == 'Y') || (*(s) == 't') || (*(s) == 'T'))
+
 void pcb_obj_attrib_post_change(rnd_attribute_list_t *list, const char *name, const char *value)
 {
 	pcb_any_obj_t *obj = (pcb_any_obj_t *)(((char *)list) - offsetof(pcb_any_obj_t, Attributes));
@@ -206,6 +208,10 @@
 		if (strcmp(arg, "role") == 0)
 			obj->extobj_role = value;
 	}
+	else if ((obj->type == PCB_OBJ_TEXT) && (strcmp(name, "tight_clearance") == 0)) {
+		pcb_text_t *t = (pcb_text_t *)obj;
+		t->tight_clearance = value == NULL ? 0 : istrue(value);
+	}
 }
 
 const char *pcb_obj_id_invalid(const char *id)