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<h2 class="section">2.4 Internal context properties</h2>


<dl compact="compact">
<dt> <code>associatedVoiceContext</code> (context)</dt>
<dd><p>The context object of the
<code>Voice</code> that has the melody for this <code>Lyrics</code>.
</p></dd>
<dt> <code>barCheckLastFail</code> (moment)</dt>
<dd><p>Where in the measure did the last
barcheck fail?
</p></dd>
<dt> <code>beamMelismaBusy</code> (boolean)</dt>
<dd><p>Signal if a beam is present.
</p></dd>
<dt> <code>busyGrobs</code> (list)</dt>
<dd><p>A queue of <code>(<var>end-moment</var> .
<var>grob</var>)</code> cons cells.  This is for internal (C++) use only.  This
property contains the grobs which are still busy (e.g. note heads,
spanners, etc.).
</p></dd>
<dt> <code>currentCommandColumn</code> (graphical (layout) object)</dt>
<dd><p>Grob that is X-parent to all
current breakable (clef, key signature, etc.) items.
</p></dd>
<dt> <code>currentMusicalColumn</code> (graphical (layout) object)</dt>
<dd><p>Grob that is X-parent to all
non-breakable items (note heads, lyrics, etc.).
</p></dd>
<dt> <code>dynamicAbsoluteVolumeFunction</code> (procedure)</dt>
<dd><p>A procedure that takes
one argument, the text value of a dynamic event, and returns the absolute
volume of that dynamic event.
</p></dd>
<dt> <code>EventClasses</code> (list)</dt>
<dd><p>The initial list of event classes.
</p></dd>
<dt> <code>finalizations</code> (list)</dt>
<dd><p>A list of expressions to evaluate before
proceeding to next time step.  This is an internal variable.
</p></dd>
<dt> <code>graceSettings</code> (list)</dt>
<dd><p>Overrides for grace notes.  This property
should be manipulated through the <code>add-grace-property</code> function.
</p></dd>
<dt> <code>hasStaffSpacing</code> (boolean)</dt>
<dd><p>True if the current
<code>CommandColumn</code> contains items that will affect spacing.
</p></dd>
<dt> <code>lastKeySignature</code> (list)</dt>
<dd><p>Last key signature before a key
signature change.
</p></dd>
<dt> <code>localKeySignature</code> (list)</dt>
<dd><p>The key signature at this point in the
measure.  The format is the same as for <code>keySignature</code>, but can
also contain <code>((<var>octave</var> . <var>name</var>) . (<var>alter</var>
<var>barnumber</var> . <var>measureposition</var>))</code> pairs.
</p></dd>
<dt> <code>melismaBusy</code> (boolean)</dt>
<dd><p>Signifies whether a melisma is active.
This can be used to signal melismas on top of those automatically
detected.
</p></dd>
<dt> <code>quotedCueEventTypes</code> (list)</dt>
<dd><p>A list of symbols, representing the
event types that should be duplicated for <code>\cueDuring</code> commands.
</p></dd>
<dt> <code>quotedEventTypes</code> (list)</dt>
<dd><p>A list of symbols, representing the
event types that should be duplicated for <code>\quoteDuring</code> commands.
This is also a fallback for <code>\cueDuring</code> if <code>quotedCueEventTypes</code>
is not set
</p></dd>
<dt> <code>rootSystem</code> (graphical (layout) object)</dt>
<dd><p>The System object.
</p></dd>
<dt> <code>scriptDefinitions</code> (list)</dt>
<dd><p>The description of scripts.  This is
used by the <code>Script_engraver</code> for typesetting note-superscripts
and subscripts.  See &lsquo;<tt>scm/script.scm</tt>&rsquo; for more information.
</p></dd>
<dt> <code>slurMelismaBusy</code> (boolean)</dt>
<dd><p>Signal if a slur is present.
</p></dd>
<dt> <code>stavesFound</code> (list of grobs)</dt>
<dd><p>A list of all staff-symbols found.
</p></dd>
<dt> <code>tieMelismaBusy</code> (boolean)</dt>
<dd><p>Signal whether a tie is present.
</p></dd>
</dl>



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