Re: \tempo feature requests

[Palmer Ralph]

On Mon, Oct 9, 2017 at 5:44 AM, Malte Meyn <address@hidden> wrote:

> Hi list,
>
> could the snippets http://lsr.di.unimi.it/LSR/Item?id=1008 and
> http://lsr.di.unimi.it/LSR/Item?id=574 become part of LilyPond? Maybe
> with all or some of the following additions/changes:
>
> Snippet 1008:
> • To make it backwards-compatible don’t change the default sizes; maybe
> introduce a grob property which scales the notes.
> • IMO coloring (only) the number is very special and could be omitted.
> • Offer three values for tempoShowParentheses: #t, #f and 'if-no-text (the
> latter mimicking the current default behaviour).
> • Add ASCII/scheme symbol shorthands for non-ASCII symbols like ≈ and ≙.
>
> Snippet 574:
> • Either introduce a new command \tempoEquiv which takes two durations
> • or extend \tempo. Suggested backwards-compatible syntax:
>         \tempo [string] [duration [~ duration] [= number [- number]]]
> Examples:
>         \tempo "Allegro"
>         \tempo 4 = 120 - 126
>         \tempo 4 ~ 2
>         \tempo "L’istesso tempo" 4 ~ 4. = 120-126
> The latter should output “L’istesso tempo (𝅘𝅥 = 𝅘𝅥𝅭 = 120 – 126)”
> • Add MIDI support: if a number is given, use this. If only an equivalence
> like 4 ~ 4. is given, compute the new tempoWholesPerMinute from the old
> one. (Is this possible?)
>
> Any opinions?
>
> Cheers,
> Malte
>

Malte - this has been entered as an enhancement request. Issue #5219.

Ralph