Hi Andrew, thanks for raising this question I have always been too afraid to ask ;-)
Urs Am Donnerstag, den 23.07.2020, 19:15 +1000 schrieb Andrew Bernard: > There are some things in lilypond that I just think are not explained > anywhere. What is this springs-and-rods business? For Hairpins, I > read > this? > > minimum-length (dimension, in staff space): > 2.0 > > Try to make a spanner at least this long, normally in the horizontal > direction. This requires an appropriate callback for the > springs-and-rods property. If added to a Tie, this sets the minimum > distance between noteheads. > > And: > springs-and-rods (boolean): > ly:spanner::set-spacing-rods > > Dummy variable for triggering spacing routines. > > > With all due respect to our fantastic developers, I find this > unintelligible and less than helpful. What is springs-and-rods > supposed to be set to: ly:spanner::set-spacing-rods, or ##t, or ##f > and when, and why? What exactly is meant by 'dummy' in this context? > I use that word to mean a temporary placeholder, but there are many > usages. WHat is 'an appropriate callback'? No example is provided. > > If I had any idea at all about this I would write a small section in > the NR on it and submit it, but I am stumped. if this _is_ in the NR, > please let me know. > > > Andrew >
