From: Peter Suk <peter.kwangjun.suk@...>
Date: 2005-04-28T07:29:31+09:00
Subject: Re: Is Ruby grammar context free?


On Apr 27, 2005, at 2:19 PM, Eric Schwartz wrote:

> Peter Suk <peter.kwangjun.suk@mac.com> writes:
>>
>> c is matched with d.  If there is no c, there is no d, and vice versa.
>> But if there is a c, there is a d.
>
> But they're both optional-- you can generate the string 'aa bb' from
> your grammar, which is all I was saying.  It's probably irrelevant,
> but then again, I mentioned that in the first place.

Oh, I thought you were saying, it was *only* that language.

--Peter


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