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Re: Can alternateTextSpannerEngraver now completely replace Text_spanner
From: |
David Nalesnik |
Subject: |
Re: Can alternateTextSpannerEngraver now completely replace Text_spanner_engraver in a public release? |
Date: |
Wed, 13 Feb 2019 09:06:03 -0600 |
David,
On Wed, Feb 13, 2019 at 8:35 AM David Kastrup <address@hidden> wrote:
>
> David Nalesnik <address@hidden> writes:
>
> > On Wed, Feb 13, 2019 at 7:49 AM Trevor Bača <address@hidden> wrote:
> >>
> >> Could somebody else possibly provide James a patch of David N.'s
> >> alternateTextSpannerEngraver?
> >>
> >> Trevor.
> >
> > The issue which would come up is that it is written in Scheme, rather
> > than C++. This has implications for documentation.
>
> It does? What kind of documentation cannot be achieved in Scheme that
> would be possible in C++?
>
> Here is some page from the Internals reference:
>
> File: lilypond-internals.info, Node: Merge_rests_engraver, Next:
> Metronome_mark_engraver, Prev: Mensural_ligature_engraver, Up: Engravers
> and Performers
>
> 2.2.71 Merge_rests_engraver
> ---------------------------
>
> Engraver to merge rests in multiple voices on the same staff. This
> works by gathering all rests at a time step. If they are all of the
> same length and there are at least two they are moved to the correct
> location as if there were one voice.
>
> Properties (read)
>
> ‘suspendRestMerging’ (boolean)
> When using the Merge_rest_engraver do not merge rests when
> this is set to true.
>
> ‘Merge_rests_engraver’ is not part of any context.
>
>
> This is an engraver written in Scheme.
Ah, OK, thanks for the update. I must be thinking of a past state of affairs.
David N