Re: probable error

[Joel E. Denny]

On Thu, 13 Jan 2011, Angelo Borsotti wrote:

> I was having a look to the Bison sources, in particular to gram.h, where the
> internal
> representation of the grammar is described. This file tells that the array
> RULES
> holds one element for each rule, starting at index 1, which is that of an
> enclosing
> rule added automatically by Bison. Index 0 is unused.
> However, in file gram.c, grammar_dump visits that array from index 0
> (included).
> Is this an error?

No.  That documentation means to describe rule numbers when stored as item 
numbers.  It does not mean to describe indices of the rules array.