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Re: X-aligning problems with chords containing unisons

From: James Lowe
Subject: Re: X-aligning problems with chords containing unisons
Date: Tue, 11 Sep 2018 13:47:34 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1


On 02/09/18 11:13, Torsten Hämmerle wrote:
Hi all,

Chords containing unison highest/lowest notes will sometimes produce wrong
positioning of articulation marks, dynamics, slurs, etc.
These grobs should be centred on the notehead that is on the correct side of
the stem (as Gould put it).

Technically, the "correct" side of the stem is determined by the first note
in the chord, i.e. the note opposite the stem's direction.

If this extremal note happens to have a unison sibling, LilyPond currently
will pick the wrong notehead in some cases (stem up), thus causing a wrong
positioning of articulations, dynamics, slurs, …  The spacing will be
widened up a bit, too, as a chord-building side-effect.


The misplaced grobs are coloured in red and below, there's my proposed
solution for correct positioning.

That's a nice little bug for the issue tracker, isn't it?

for those that don't follow 'dev'

This is



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