[racket] function of | in reader

A "|" never delimits in the sense of ending a symbol. For example,

 2|b|1

reads the same as

 2b1

because the symbol continues after each "|".

Is that the sense of "delimit" that you mean?

At Sun, 26 Jun 2011 09:40:09 -0400, Neil Van Dyke wrote:
> To amend that question: When reading Racket code, will "|" *always* 
> delimit either a symbol or a substring of a symbol?
> 
> Neil Van Dyke wrote at 06/26/2011 06:04 AM:
> > When reading Racket code, will "|" *always* delimit a symbol, or can 
> > it cause something other than a symbol to be read?
> >
> > I thought "|" always delimited a symbol, but if so, then the 
> > documentation at 
> > 
> "http://doc.racket-lang.org/reference/reader.html#(part._default-readtable-dispa
> tch)" 
> > seems obtuse:
> >
> >> | starts a subsequence of characters to be included verbatim in the 
> >> delimited sequence (i.e., they are never treated as delimiters, and 
> >> they are not case-folded when case-insensitivity is enabled); the 
> >> subsequence is terminated by another |, and neither the initial nor 
> >> terminating | is part of the subsequence.
> 
> -- 
> http://www.neilvandyke.org/
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