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Re: glissando lines and accidentals

From: Aaron Hill
Subject: Re: glissando lines and accidentals
Date: Tue, 11 Aug 2020 03:31:18 -0700
User-agent: Roundcube Webmail/1.4.2

On 2020-08-11 2:15 am, Werner LEMBERG wrote:

look at this example:

  { <e' c''>2\glissando <d' bes'> }

Due to the flat, the lower glissando line is far too short.  I
consider this a bug.

LilyPond already provides the `end-on-accidental` property (which is
set to #t by default).  For chords, however, this should be only
applied to glissando lines that actually have accidentals.

I think a fix should be added to the C++ code; unfortunately, this is
beyond my capabilities right now.  Is there a solution to circumvent
this temporarily?

\version "2.20.0"

  \override Glissando.before-line-breaking =
  #(lambda (grob)
    (let* ((nh (ly:spanner-bound grob RIGHT))
           (acc (ly:grob-object nh 'accidental-grob)))
        '(bound-details right end-on-accidental)
        (ly:grob? acc))))

  <e' c''>2\glissando <d' bes'>

-- Aaron Hill

Attachment: gliss-accid.cropped.png
Description: PNG image

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