Remove deprecated context properties
[proposal] Make Staff_symbol::line_count public and use it when <line_positions>’s not needed</line_positions> https://codereview.appspot.com/576090043
Fix regtests (conditional should only apply to horizontal fingerings) https://codereview.appspot.com/567560043
programming error/segfault while omitting Fingering.stencil with fingeringOrientations set 'left
Yowza. Not good indeed. Thanks for catching this James, I should’ve paid more attention!
Doc: mention tuplet-slur in Changes and in NR 1.2.1.2 "Tuplets"
Pushed as https://git.savannah.gnu.org/cgit/lilypond.git/commit/?id=ee56da0f7a68cb6d6c5cd8531a566d81abdc5e59
Fix #5476: segfault when Fingering stencil set to #f. https://codereview.appspot.com/567560043