Re: FYI: Missing \n

[Joel E. Denny]

On Wed, 17 Jan 2007, Akim Demaille wrote:

> I think Bison should warn about unused symbols on stderr too: indeed,
> in the *.output file it does report that "expression" was unused, but
> there was no reason to read that file.

Sometimes it's convenient to define tokens that don't actually appear in 
the grammar.  The scanner can use them to induce syntax errors.  Maybe 
such tokens should be declared specially.