Re: [Lilypond-auto] Issue 4242 in lilypond: make \shiftOff useful

[lilypond]

Updates:
        Labels: patch-review

Comment #6 on issue 4242 by address@hidden: make \shiftOff useful
https://code.google.com/p/lilypond/issues/detail?id=4242

Issue 3324 shows where the warning could be useful, to explain to users  
that LilyPond does not assign a default order of voices.  I suggest a  
better message, and more-friendly behavior, in issue 4255.

The warning can be useful when, and appears when, no voicing command has  
yet been given.  We do not need a command for getting the warning.  Either  
\oneVoice or \undo\shiftOn bring us back to the undefined horizontal-shift  
state.

horizontal-shift:   undefined     0            ±1          ±2
  used for voice:   \oneVoice  \voiceOne    \voiceThree
                               \voiceTwo    \voiceFour
 current command:   \shiftOff    --         \shiftOn    \shiftOnn

   patch command:    --        \shiftOff    \shiftOn    \shiftOnn

\shiftOff as (incorrectly) described by the manual is not a reversion to  
default, but an instruction on how to set a voice.  \shiftOff should not be  
\revert for the same reason that neither \autoBeamOff nor \cadenzaOff is an  
\unset.

So old patch back to "patch-review"

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