haskell / happy

The Happy parser generator for Haskell
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conflicts between documentation #194

Open leo-mao opened 3 years ago

leo-mao commented 3 years ago

In section 6.5 of documentation it says module trailer is optional while in fact we have a mandatory error function to define in module trailer isn't it? E.g. happyError on line 64 in /examples/Calc.ly?. How could module trailer be optional?