msk...@ansuz.sooke.bc.ca writes:
> On Fri, 8 Jan 2016, H. S. Teoh wrote:
>> > It's a shame that LilyPond's requirement to completely evaluate music
>> > expressions immediately, and therefore once and for all, forces this
>> > kind of thing on us. The natural thing to want to do would be to have
>
>> This is not really true. What I usually do is something like this:
>
>> \tag #'midi { a8 r b r c r }
>> \tag #'layout { a4-. b-. c-. }
>
>> The \tag #'layout and \tag #'midi lines basically behave like an if
>> (MIDI) block. This lets you intersperse layout-specific and
>> midi-specific stuff in the same place, so that you don't forget to
>> update one after editing the other.
>
> I've had trouble getting that to work in more complicated situations, such
> as when there's nesting involved. If I want a few notes different inside
> \foo (for instance, because of needing to split them into separate voices
> for typographical reasons while keeping them in a single voice for MIDI)
> but then I want to either repeat \foo in a volta for print, or write out
> the repeat to transpose one of them, then using the same tag for both
> conditionals is a problem. That can be worked around in turn by using
> more tags, but the complexity steadily increases, and all of it is work I
> think the computer should be doing, not the human.
You know the \tagGroup command, do you?
--
David Kastrup
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