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From: mac <acolvin@efunct.com>
Newsgroups: comp.compilers
Subject: Re: XPL Analyzer
Date: Thu, 8 Jun 2017 17:13:53 -0000 (UTC)
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Xref: csiph.com comp.compilers:1890

My experience using a port of XPL back in the day was that it generated
these horrible syntax error messages, usually beginning <BOUND HEAD>(...