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<a name="Navigating-the-program-reference"></a>
Next: <a rel="next" accesskey="n" href="Layout-interfaces.html#Layout-interfaces">Layout interfaces</a>,
Up: <a rel="up" accesskey="u" href="Explaining-the-Internals-Reference.html#Explaining-the-Internals-Reference">Explaining the Internals Reference</a>
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<h4 class="subsection">5.2.1 Navigating the program reference</h4>
<!-- TODO remove this (it's in the LM) -->
<!-- Replace with more factual directions -->
<p>Suppose we want to move the fingering indication in the fragment
below:
<blockquote>
<pre class="verbatim">
c-2
\stemUp
f
</pre>
<p>
<a href="../9b/lily-d5be84bf.ly">
<img align="middle"
border="0" src="../9b/lily-d5be84bf.png" alt="[image of music]">
</a>
</p>
</blockquote>
<p>If you visit the documentation on fingering instructions (in
<a href="Fingering-instructions.html#Fingering-instructions">Fingering instructions</a>), you will notice:
<blockquote>
<strong>See also</strong>
<p>Internals Reference: <a name="index-Fingering-2646"></a><a href="../lilypond-internals/Fingering.html#Fingering">Fingering</a>.
</blockquote>
<!-- outdated info; probably will delete. -->
<p>Follow the link to <a name="index-Fingering-2647"></a><a href="../lilypond-internals/Fingering.html#Fingering">Fingering</a>. At the top of the
page, you will see
<blockquote>
Fingering objects are created by: <a name="index-Fingering_005fengraver-2648"></a><a href="../lilypond-internals/Fingering_005fengraver.html#Fingering_005fengraver">Fingering_engraver</a> and
<a name="index-New_005ffingering_005fengraver-2649"></a><a href="../lilypond-internals/New_005ffingering_005fengraver.html#New_005ffingering_005fengraver">New_fingering_engraver</a>.
</blockquote>
<p>By following related links inside the program reference, we can follow the
flow of information within the program:
<ul>
<li><a name="index-Fingering-2650"></a><a href="../lilypond-internals/Fingering.html#Fingering">Fingering</a>:
<a name="index-Fingering-2651"></a><a href="../lilypond-internals/Fingering.html#Fingering">Fingering</a> objects are created by:
<a name="index-Fingering_005fengraver-2652"></a><a href="../lilypond-internals/Fingering_005fengraver.html#Fingering_005fengraver">Fingering_engraver</a>
<li><a name="index-Fingering_005fengraver-2653"></a><a href="../lilypond-internals/Fingering_005fengraver.html#Fingering_005fengraver">Fingering_engraver</a>:
Music types accepted: <a name="index-fingering_002devent-2654"></a><a href="../lilypond-internals/fingering_002devent.html#fingering_002devent">fingering-event</a>
<li><a name="index-fingering_002devent-2655"></a><a href="../lilypond-internals/fingering_002devent.html#fingering_002devent">fingering-event</a>:
Music event type <code>fingering-event</code> is in Music expressions named
<a name="index-FingeringEvent-2656"></a><a href="../lilypond-internals/FingeringEvent.html#FingeringEvent">FingeringEvent</a>
</ul>
<p>This path goes against the flow of information in the program: it
starts from the output, and ends at the input event. You could
also start at an input event, and read with the flow of
information, eventually ending up at the output object(s).
<p>The program reference can also be browsed like a normal document. It
contains chapters on
<a name="index-Music-definitions-2657"></a><a href="../lilypond-internals/Music-definitions.html#Music-definitions">Music definitions</a>,
on <a name="index-Translation-2658"></a><a href="../lilypond-internals/Translation.html#Translation">Translation</a>, and the <a name="index-Backend-2659"></a><a href="../lilypond-internals/Backend.html#Backend">Backend</a>. Every
chapter lists all the definitions used and all properties that may be
tuned.
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<p>
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This page is for LilyPond-2.11.57 (development-branch).
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