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Re: Why token are numbered from 258?
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From: |
Christian Schoenebeck |
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Subject: |
Re: Why token are numbered from 258? |
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Date: |
Thu, 07 Feb 2019 20:34:32 +0100 |
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User-agent: |
KMail |
On Donnerstag, 7. Februar 2019 11:33:38 CET Peng Yu wrote:
> I don't quite understand why tokens are numbered starting from 258.
> What are 256 and 257 for? Thanks.
It's been a while, but as far as I can remember those extra 2 are always
automatically used for the special built-in terminals YYEOF and YYEMPTY.
Best regards,
Christian Schoenebeck