Even if it not for the SLIF user, I tend to say that looking to the libmarpa 
API documentation 
<http://jeffreykegler.github.io/Marpa-web-site/libmarpa_api/cpan_indexed/> 
is really worth doing it: it is pedagogic and expresses clearly the types 
(symbols and rules are explicitely different calls producing different 
types), and the architectures (grammar, recognizer, progress, bocage, 
etc...) - reading it helped to understand some design decisions for the 
SLIF.
JD.

Le mercredi 18 juin 2014 18:02:31 UTC+2, Jeffrey Kegler a écrit :
>
> Also on slide 2: The LHS of a production is not really its name, it's a 
> symbol.  That is, "A ::= B" says that symbol A derives (or produces or 
> can be rewritten to) symbol B.  "A" is sometimes used to "name" the 
> rule, to be sure, but it's dangerous to think of it as the rule's name.   
> One reason it is dangerous is that several rules can have the same LHS: 
>
>

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