- fn(data, e->left.sym->name);
- fn(data, "=");
- fn(data, e->right.sym->name);
+ if (e->left.sym->name)
+ fn(data, e->left.sym, e->left.sym->name);
+ else
+ fn(data, NULL, "<choice>");
+ fn(data, NULL, "=");
+ fn(data, e->right.sym, e->right.sym->name);