message: fixup! [lookup][runtime] making first column of runtime tables customizable
diff: @@ -24,7 +24,7 @@ pub struct RuntimeTableSpec {
  pub enum RuntimeTableCfg<F> {
  /// An indexed runtime table has a counter (starting at zero) in its first column.
  Indexed(RuntimeTableSpec),
  - /// A custom runtime table has its first column fixed at setup time.
  + /// A custom runtime table can contain arbitrary values in its first column.
  Custom {
  /// The table ID.
  id: i32,
  