Re: [HACKERS] Postgres' lexer - Mailing list pgsql-hackers

From Leon
Subject Re: [HACKERS] Postgres' lexer
Date
Msg-id 37BD2194.84398757@udmnet.ru
Whole thread Raw
In response to RE: [HACKERS] Postgres' lexer  ("Ansley, Michael" <Michael.Ansley@intec.co.za>)
List pgsql-hackers
Ansley, Michael wrote:
...
> >> And what this stands for:
> >>
> >> {identifier}/{space}*-{number}
> An identifier followed by any number of spaces, and then a minus, or a
> number.  Again, double check this with a reference of some sorts.

Well, I studied flex manpage from top to bottom, and almost everything
in Postgres's lexer makes sense. But these "followed by spaces and a
queer minused number" do not. Can someone tell me what do these 
minused single - digit numbers stand for?

-- 
Leon.
---------
"This may seem a bit weird, but that's okay, because it is weird." -
Perl manpage.




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