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From: Julian Lawrence Jenkins <julianj@cse.unsw.edu.au>
To: Terry Lambert <terry@lambert.org>
Date: Fri, 29 Nov 1996 10:58:32 +1100 (EST)
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cc: "Jordan K. Hubbard" <jkh@time.cdrom.com>, hackers@freebsd.org
Subject: Re: Lex/Yacc question
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On Thu, 28 Nov 1996, Terry Lambert wrote:

> I've written a number of parsers, too.  Nonen of them needed:
> 
> 	KEYWORD rest of stuff to end of line

Try:

> %s HELO
>
> %%
>
> helo		BEGIN HELO;
> <HELO>.*\n		{BEGIN INITIAL; printf("\n\n%s\n\n", yytext);}

This works in flex, dont know about other lexes.

It defines a state and will only recognise lines preceded with <state>
when in that state.

Kaveman