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<HR><H2>[COLD] Parser instability</H2>
<H3>daemon@ATHENA.MIT.EDU (Mon Apr  7 03:05:30 1997
)</H3>
<PRE>
Date: Mon, 07 Apr 1997 00:04:47 -0700
To: coldstuff@cold.org
From: Jeff Kesselman &lt;jeffk@tenetwork.com&gt;

I've foudn a number of places in my debuygging where code of teh form

if (expression)
   statement;

Fails and

if (expression) {
  statement;
}

Works correctly. i havent found a pattern yet of exactly what kind of
stamenets cause these problems.

This however reinforces a beleif of mien that the entire parser aught to be
re-written.  At the same time the issues of &lt;cr&gt; not being a proper white
space character in the outer-syntax could also be addressed...

If someone wanted to write a BNF, and write the action routines, ild be
willing to do a parser in PCCTS.  This has the additional advanatge of,
since PCCTS is LL(k) as oppsoed to ACC being LALR, of meanign it woudl
generate more intelligent syntax error messages.

JK

</PRE>
