[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #1228 merge si

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[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #1228 merge simultaneous rests of the same duration

Date:

Sat, 20 May 2017 07:41:02 +0000

Needs: -->
Patch: new --> needs_work
Type: --> Enhancement
Comment:

Fails make check.

.../regression/merge-rests-engraver.ly

Processing `./e0/lily-cbbf11e5.ly'
Parsing...
Renaming input to: `/home/james/lilypond-git/input/regression/merge-rests-engraver.ly'
Interpreting music...Backtrace:
In /home/james/lilypond-git/build/out/share/lilypond/current/scm/lily.scm:
1025:  1* (let* ((failed #)) (if (ly:get-option #) (begin #)) ...)
1025:  2* [lilypond-all #]
1038:  3  (let* ((failed #) (separate-logs #) (ping-log #) ...) (gc) ...)
1050:  4* [for-each #<procedure #f #> #]
In unknown file:
   ?:  5* [#<procedure #f (x)> "e0/lily-cbbf11e5.ly"]
In /home/james/lilypond-git/build/out/share/lilypond/current/scm/lily.scm:
1052:  6* (let* (# # #) (if separate-logs #) (if ping-log #) ...)
1063:  7* [lilypond-file #<procedure #f (key failed-file)> "e0/lily-cbbf11e5.ly"]
1098:  8  [catch ly-file-failed #<procedure #f ()> #<procedure #f (x . args)>]
In unknown file:
   ?:  9* [#<procedure #f ()>]
In /home/james/lilypond-git/build/out/share/lilypond/current/scm/lily.scm:
1099: 10* [ly:parse-file "e0/lily-cbbf11e5.ly"]
In /home/james/lilypond-git/build/out/share/lilypond/current/ly/init.ly:
  56: 11* (let* ((book-handler #)) (cond (# #) (# #)))
  59: 12  (cond (# #) (# #))
In /home/james/lilypond-git/build/out/share/lilypond/current/scm/lily-library.scm:
    ...
 243: 13  [ly:book-process-to-systems #<Book> #< Output_def> ...]
In unknown file:
   ?: 14* [# #]
   ?: 15* [# # #]
   ?: 16* [# #]
   ?: 17* [# # #]
   ?: 18* [Merge_rests_engraver #<Context Staff () >]
   ?: 19* (letrec (# # # # ...) (let # #))
In /home/james/lilypond-git/build/out/share/lilypond/current/scm/scheme-engravers.scm:
 157: 20* (rest-eqv (quote measure-count))

/home/james/lilypond-git/build/out/share/lilypond/current/scm/scheme-engravers.scm:157:30: In express
ion (rest-eqv (quote measure-count)):
/home/james/lilypond-git/build/out/share/lilypond/current/scm/scheme-engravers.scm:157:30: Variable u
sed before given a value: rest-eqv

[issues:#1228] merge simultaneous rests of the same duration

Status: Started
Created: Wed Aug 18, 2010 11:15 AM UTC by Anonymous
Last Updated: Sat May 20, 2017 06:04 AM UTC
Owner: horndude77

Originally created by: *anonymous

Originally created by: address@hidden

On 11 June 2010 16:27, Xavier Scheuer <address@hidden> wrote:

Could you implement the possibility:
\override RestCollision #'positioning-done = #merge-rests-on-positioning
described in http://lsr.dsi.unimi.it/LSR/Item?id=336
_directly_ into LilyPond?
So we would not have to define merge-rests-on-positioning ourselves,
each time we want to use this function.
This function _is useful_, as shown by the several messages asking for
this on lilypond-user:
http://lists.gnu.org/archive/cgi-bin/namazu.cgi?query=Merging+rests+&submit=Search!&idxname=lilypond-user
That would also be great if you could overpass the limitations, i.e.
– ability to handle more than two voices ;
>– handle multi-measure/whole-measure rests.

Maybe the following discussion could be helpful in a certain way:
http://lists.gnu.org/archive/html/lilypond-user/2010-02/msg00452.html

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