# A → β # β define(⟦ERROR⟧, ⟦ divert(0)dnl <$0_NAME> ⟦$1⟧ $2 $0_NAME> divert(-1) ⟧) # A → β define(⟦QUERY⟧, defn(⟦ERROR⟧)) define(⟦WARNING⟧, defn(⟦ERROR⟧)) divert(0)dnl divert(1)dnl divert(-1)