[plt-scheme] Essentials of Prog. Lang. 6-grammar.scm bad scanner

From: Larry Evans (cppljevans at suddenlink.net)
Date: Tue Jun 17 06:46:38 EDT 2008

The 6-grammar.scm in


when opened (from File menu in DrScheme 4.0)
and then Run, produces the error:
{--- cut here ---

Welcome to DrScheme, version [3m].
Language: Essentials of Programming Languages (2nd ed.).
grammar.scm: 2000-12-15 15:18
. sllgen:make-define-datatypes: bad scanner specification in: 

}--- cut here ---

in the interactions window.  The language was
Essentials of Programming Languages(2nd Ed.)

Is this just error due to incompatibility between an old plt-scheme
and the 4.0 plt-scheme? IOW, should I just let the book authors know
about the error?

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