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custos-interface
Engrave custodes
adjust-if-on-staffline (boolean)
- If this grob is on a staff line, adjust its appearance, so that it better fits into the staff. E.g., if set true on stem grobs, flares of mensural flags will always be aligned with the staff lines, regardless if the associated note head is printed on a staff line or inbetween.
neutral-direction (direction)
- Where to go if we're on the neutral position of the staff (by default, the middle of the staff; see also grob-property neutral-position). [Ross] has the following to say about this: Some engravers consider the middle line neutral, and take the option of using either up- or down-stems for notes that fall on it. However, more up-to-date engraving no longer permits an option; now a down-stem is always appropriate.
neutral-position (number)
- Position (in half staff spaces) where to flip the direction of stems: by default, custodes above this position get their stems downwards; custodes below this position get their stems upwards. A value of 0 designates the center of the staff. Use property neutral-direction to control the behaviour of stems on the neutral position itself. (Note: currently, neutral-position is supported only for custodes; for stems of note heads, neutral-position is currently fixed to 0, i.e. the middle of the staff.)
style (symbol)
- a string determining what style of glyph is typeset. Valid choices depend on the function that is reading this property. .
This grob interface is used in the following graphical objects: Custos
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