Issue 1057 in lilypond: Expand issue #218 to provide a practical solution

[lilypond]

Status: Accepted
Owner: ----

New issue 1057 by lemzwerg: Expand issue #218 to provide a practical  
solution
http://code.google.com/p/lilypond/issues/detail?id=1057

The solution given in issue #218 is definitely too generic.  Look at the
attached example.  The `toward-stem-shift' applies to all Script grobs
which is clearly wrong.  In particular, accents shouldn't be shifted at
all.  Depending on the articulation symbol we need different values.

BTW, looking into the full score of `Wozzeck', I've noticed different
values of `toward-stem-shift', depending on the direction of the beam.  See
attached image.  I'm not sure whether this happens in polyphonic situations
only.

In summary, assuming we have a Script grob with glyph name `foo', we would
need properties `foo-upstem-shift' and `foo-downstem-shift'.  To make life
easier, we should probably provide `default-upstem-shift' and
`default-downstem-shift' which gets used for all glyphs which don't have an
explicitly set shift property.


Attachments:
        staccato.ly  835 bytes

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