Positioning grace notes with floating space: Difference between revisions

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VisualWikitext

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 Setting the property <code>strict-grace-spacing</code> makes the musical columns for grace notes ‘floating’, i.e., decoupled from the non-grace notes: first the normal notes are spaced, then the (musical columns of the) graces are put left of the musical columns for the main notes.
+Due to [https://gitlab.com/lilypond/lilypond/-/issues/6876 issue #6876], however, accidentals are ignored if this property is set.  This snippet gives a workaround to circumvent the problem.
+Another unfortunate side effect of this property is that LilyPond does not check whether there is enough horizontal space for grace notes (this is tracked as [https://gitlab.com/lilypond/lilypond/-/issues/2630 issue #2630]).  You have to make sure that enough space is available, for example, by using <code>\newSpacingSection</code> together with a proper value for the <code>base-shortest-duration</code> of the <code>SpacingSpanner</code> grob.
 <lilypond version="2.24">
-\relative c'' {
+shiftedGrace =
-  <<
+#(define-music-function (offset music) (number? ly:music?)
-    \override Score.SpacingSpanner.strict-grace-spacing = ##t
+   #{
-    \new Staff \new Voice {
+     \override NoteHead.X-offset = #(- offset 0.85)
-      \afterGrace c4 { c16[ c8 c16] }
+     \override Stem.X-offset = #offset
-      c8[ \grace { b16 d } c8]
+     \grace { $music }
-      c4 r
+     \revert NoteHead.X-offset
-    }
+     \revert Stem.X-offset
-    \new Staff {
+   #})
-      c16 c c c c c c c c4 r
-     }
+\relative c'' <<
-   >>
+  { g4 \shiftedGrace #-1.3 a32 \shiftedGrace #-0.5 { bes c d } es4 }
+  { f,32 e d c f e d c f4 }
+>>
+\layout {
+  \context {
+    \Score
+     \override SpacingSpanner.strict-grace-spacing = ##t
+   }
 }
 </lilypond>
 [[Category:Rhythms]]
+[[Category:Scheme]]
+[[Category:Workaround]]
 [[Category:Included in the official documentation]]
 [[Category:Snippet]]