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<h3 class="unnumberedsec">Internal context properties</h3>
<dl>
<dt><code>associatedVoiceContext</code> (context)<dd>The context object of the
<code>Voice</code> that has the melody for this <code>Lyrics</code>.
<br><dt><code>barCheckLastFail</code> (moment)<dd>Where in the measure did the last
barcheck fail?
<br><dt><code>beamMelismaBusy</code> (boolean)<dd>Signal if a beam is present.
<br><dt><code>breakableSeparationItem</code> (layout object)<dd>The breakable items in this
time step, for this staff.
<br><dt><code>busyGrobs</code> (list)<dd>A queue of <code>(</code><var>end-moment</var><code> .
</code><var>GROB</var><code>)</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.).
<br><dt><code>currentCommandColumn</code> (layout object)<dd>Grob that is X-parent to all
current breakable (clef, key signature, etc.) items.
<br><dt><code>currentMusicalColumn</code> (layout object)<dd>Grob that is X-parent to all
non-breakable items (note heads, lyrics, etc.).
<br><dt><code>dynamicAbsoluteVolumeFunction</code> (procedure)<dd>[DOCUMENT-ME]
<br><dt><code>finalizations</code> (list)<dd>A list of expressions to evaluate before
proceeding to next time step. This is an internal variable.
<br><dt><code>graceSettings</code> (list)<dd>Overrides for grace notes. This property
should be manipulated through the <code>add-grace-property</code> function.
<br><dt><code>hasStaffSpacing</code> (boolean)<dd>True if the current
<code>CommandColumn</code> contains items that will affect spacing.
<br><dt><code>instrumentSupport</code> (list of grobs)<dd>A list of grobs to attach the
instrument name to.
<br><dt><code>lastKeySignature</code> (list)<dd>Last key signature before a key
signature change.
<br><dt><code>localKeySignature</code> (list)<dd>The key signature at this point in the
measure. The format is the same as for <code>keySignature</code>, but can
also contain <code>((</code><var>octave</var><code> . </code><var>name</var><code>) . (</code><var>alter</var><code> .
</code><var>barnumber</var><code>))</code> pairs.
<br><dt><code>melismaBusy</code> (boolean)<dd>Signifies whether a melisma is active.
This can be used to signal melismas on top of those automatically
detected.
<br><dt><code>originalMiddleCPosition</code> (integer)<dd>Used for temporary overriding
middle C in octavation brackets.
<br><dt><code>quotedEventTypes</code> (list)<dd>A list of symbols, representing the
event types that should be duplicated for <code>\quote</code> commands.
<br><dt><code>rootSystem</code> (layout object)<dd>The System object.
<br><dt><code>scriptDefinitions</code> (list)<dd>The description of scripts. This is
used by the <code>Script_engraver</code> for typesetting note-superscripts
and subscripts. See <samp><span class="file">scm/script.scm</span></samp> for more information.
<br><dt><code>slurMelismaBusy</code> (boolean)<dd>Signal if a slur is present.
<br><dt><code>stavesFound</code> (list of grobs)<dd>A list of all staff-symbols found.
<br><dt><code>tieMelismaBusy</code> (boolean)<dd>Signal whether a tie is present.
</dl>
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