[plt-scheme] recovering the read input?

From: YC (yinso.chen at gmail.com)
Date: Thu Aug 14 15:37:07 EDT 2008

Hi -

is there a way to get back the read inputs from `(read)`?  Basically, both
strings "(foo a b)" and "(foo      a         b)" produces the same list by
`read`, but they are diferent inputs.  Is there a way to get the original
input after the data have been consumed by `read`?

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