static void apply_mtledit(Scene *scn, const MaterialEdit &med);
static void apply_mtledit(Material *mtl, const MaterialEdit &med);
static struct ts_attr *attr_inscope(struct ts_node *node, const char *name);
static void apply_mtledit(Scene *scn, const MaterialEdit &med);
static void apply_mtledit(Material *mtl, const MaterialEdit &med);
static struct ts_attr *attr_inscope(struct ts_node *node, const char *name);