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From: | lilypond |
Subject: | Re: [Lilypond-auto] Issue 3744 in lilypond: Patch: Create Score context before starting iteration. |
Date: | Sat, 21 Dec 2013 18:56:38 +0000 |
Comment #4 on issue 3744 by address@hidden: Patch: Create Score context before starting iteration.
http://code.google.com/p/lilypond/issues/detail?id=3744\new Score works because ly_interpret_music_expression calls construct_children before starting iteration, apparently to create the initial contexts. Context_specced_music_iterator creates its context then, and other iterators recurse on their music, but Sequential_iterator only recurses on its first child instead of the whole first timestep, so things like { | c8 } don't create contexts.
Maybe create_children could be made reliable and run at the beginning of each timestep, so contexts would never be created in the middle of a timestep.
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