PATCHES - MRs at needs_work

Here is the semi-annual list of those MRs which have been marked as 
needing work.  Please review them, and change their status to Abandoned 
if appropriate.


      Needs_Work:
!3062 Properly align hairpins ending at a barline - Lukas-Fabian Moser
     https://gitlab.com/lilypond/lilypond/-/merge_requests/3062

!3057 Draft: Grace notes tests around solving #34 - Arno Waschk
     https://gitlab.com/lilypond/lilypond/-/merge_requests/3057

!2954 Allow nested variable lookup in \markup - Dan Eble
     https://gitlab.com/lilypond/lilypond/-/merge_requests/2954

!2940 Draft: `x ?= ...` defines `x = ...` when `\x` is not valid - Dan Eble
     https://gitlab.com/lilypond/lilypond/-/merge_requests/2940

!2938 Streamline and update Documentation examples - Lukas-Fabian Moser
     https://gitlab.com/lilypond/lilypond/-/merge_requests/2938

!2853 fixes a long-standing issue where \rounded-box always painted a 
white interior - Marc Mouries
     https://gitlab.com/lilypond/lilypond/-/merge_requests/2853

!2836 Extend Glissando - make bounded by rests possible - Thomas Morley
     https://gitlab.com/lilypond/lilypond/-/merge_requests/2836

!2790 Add point and click MIDI Meta events - Nicolas Joyard
     https://gitlab.com/lilypond/lilypond/-/merge_requests/2790

!2742 Add forceStanza property - Valentin Petzel
     https://gitlab.com/lilypond/lilypond/-/merge_requests/2742

!2657 Define empty-music? - Dan Eble
     https://gitlab.com/lilypond/lilypond/-/merge_requests/2657

!2580 doc: Improve node and target file names - Werner Lemberg
     https://gitlab.com/lilypond/lilypond/-/merge_requests/2580

!2398 Part combine: print texts again on each new system - Saul James Tobin
     https://gitlab.com/lilypond/lilypond/-/merge_requests/2398

!2362 Draft: Allow for clef change at begin of piece - Valentin Petzel
     https://gitlab.com/lilypond/lilypond/-/merge_requests/2362

!2256 Implement tempo mark, spanner and aligner - Thomas Morley
     https://gitlab.com/lilypond/lilypond/-/merge_requests/2256

!2094 Draft: Add recorder woodwind diagram - Holger Peters
     https://gitlab.com/lilypond/lilypond/-/merge_requests/2094

!1810 Let \rhythm markup derive from current layout - David Kastrup
     https://gitlab.com/lilypond/lilypond/-/merge_requests/1810

!1809 Let Paper_book use \layout rather than \paper for global markups - 
David Kastrup
     https://gitlab.com/lilypond/lilypond/-/merge_requests/1809

!1779 Introduce StaffCollection context - Lukas-Fabian Moser
     https://gitlab.com/lilypond/lilypond/-/merge_requests/1779

!1753 doc: Implement `@lilycode` to print LilyPond code - Werner Lemberg
     https://gitlab.com/lilypond/lilypond/-/merge_requests/1753


Cheers,

Colin