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2.2.84 Paper_column_engraver
Take care of generating columns.
This engraver decides whether a column is breakable. The default is that a column is always breakable. However, every Bar_engraver that does not have a barline at a certain point will set forbidBreaks in the score context to stop line breaks. In practice, this means that you can make a break point by creating a bar line (assuming that there are no beams or notes that prevent a break point).
Music types accepted:
Properties (read)
forbidBreak(boolean)If set to
#t, prevent a line break at this point.
Properties (write)
currentCommandColumn(graphical (layout) object)Grob that is X-parent to all current breakable (clef, key signature, etc.) items.
currentMusicalColumn(graphical (layout) object)Grob that is X-parent to all non-breakable items (note heads, lyrics, etc.).
forbidBreak(boolean)If set to
#t, prevent a line break at this point.
This engraver creates the following layout object(s):
NonMusicalPaperColumn and PaperColumn.
Paper_column_engraver is part of the following context(s): Score.
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