[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] Re: #5389 part

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[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] Re: #5389 partcombine warns about unterminated slur

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Thu, 26 Jul 2018 23:13:13 -0000

A reasonable question. When it comes time to change contexts, the part combiner searches for the next context relative to the current context, and there are no special cases. If this were to escape the current Staff in a multi-staff score, it would not be able to recover.

Context *
Part_combine_part_iterator::find_voice (const string &id)
{
  // Find a Voice among the siblings of the current outlet.  (Well, this might
  // also find a sibling's descendant, but that should not be a problem.)
  Context *c = get_outlet ()->get_parent_context ();
  if (c)
    return find_context_below (c, ly_symbol2scm("Voice"), id);
  programming_error ("no parent context");
  return 0;
}

[issues:#5389] partcombine warns about unterminated slur

Status: Accepted
Labels: partcombine
Created: Thu Jul 19, 2018 12:58 PM UTC by pkx166h
Last Updated: Thu Jul 26, 2018 02:43 AM UTC
Owner: nobody

Good morning,

I've been reading up on partcombine recently and I wanted to try out a few examples from the documentation to help me really understand the command, however I get this error with one example:

From:

http://lilypond.org/doc/v2.19/Documentation/notation/multiple-voices#automatic-part-combining

Error:

warning: unterminated slur r2 g'4( f8 e) |

I have not modified the code at all, just copy and paste.

I thought it was due to some voice-issue but I can't figure out how to fix. Thanks for any help.

Code:

musicUp = \relative c'' {
  \time 4/4
  a4 c4.( g8) a4 |
  g4 e' g,( a8 b) |
  c b a2.
} % begin verbatim

musicDown = \relative c'' {
  g4 e4.( d8) c4 |
  r2 g'4( f8 e) |
  d2 \stemDown a
}

\score {
    <<
    \new Staff \with { instrumentName = #"Standard polyphony" }

      << \musicUp \\ \musicDown >>

    \new Staff \with {
      instrumentName = #"PartCombine without text"
      printPartCombineTexts = ##f
    }

    \partcombine \musicUp \musicDown

    \new Staff \with { instrumentName = #"PartCombine with text" }
      \partcombine \musicUp \musicDown
    >>

 \layout {
    indent = 6.0\cm
    \context {
      \Score
      \override SystemStartBar.collapse-height = #30
    }
  }
}

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