Re: content versus presentation in music and Lilypond (was Re: forcing TimeSignature visibility)

[Mark Knoop]

At 19:58 on 13 Apr 2015, Mark Knoop wrote:
>At 13:59 on 13 Apr 2015, Kieren MacMillan wrote:
>>The “presentation layer” comprises, in part, choices that must be made
>>to physically represent the content on the page, given the page
>>geometry, clarity considerations, etc. In this Piano/Conductor
>>engraving/presentation, m. 4 immediately follows a line break; since
>>the voice staff appears here for the first time (because of
>>“frenching” the score), the time signature (2/2) must be included at
>>the beginning of the system; however, to make it clear that the piano
>>music is still in 12/8, its time signature must be re-displayed, even
>>though it hasn’t changed since the last visible time signature (in m.
>>1); finally, to make it crystal clear that this is not a change but
>>simply a reminder, the piano time signature should be enclosed in
>>parentheses (like a “cautionary accidental”). All of these choices
>>were forced not by the content, but by the presentation requirements.
>
>\set Staff.timeSignatureFraction = 3/2

Ah, sorry, just saw the other thread where you've already discovered
that...

-- 
Mark Knoop