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<title>Bison 3.0.2: Tracing</title>
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Previous: <a href="Xml.html#Xml" accesskey="p" rel="prev">Xml</a>, Up: <a href="Debugging.html#Debugging" accesskey="u" rel="up">Debugging</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index-of-Terms.html#Index-of-Terms" title="Index" rel="index">Index</a>]</p>
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<a name="Tracing-Your-Parser"></a>
<h3 class="section">8.4 Tracing Your Parser</h3>
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<p>When a Bison grammar compiles properly but parses “incorrectly”, the
<code>yydebug</code> parser-trace feature helps figuring out why.
</p>
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<tr><td align="left" valign="top">• <a href="Enabling-Traces.html#Enabling-Traces" accesskey="1">Enabling Traces</a>:</td><td> </td><td align="left" valign="top">Activating run-time trace support
</td></tr>
<tr><td align="left" valign="top">• <a href="Mfcalc-Traces.html#Mfcalc-Traces" accesskey="2">Mfcalc Traces</a>:</td><td> </td><td align="left" valign="top">Extending <code>mfcalc</code> to support traces
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<tr><td align="left" valign="top">• <a href="The-YYPRINT-Macro.html#The-YYPRINT-Macro" accesskey="3">The YYPRINT Macro</a>:</td><td> </td><td align="left" valign="top">Obsolete interface for semantic value reports
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