programming error

[Guy Durrieu]

Hello,

With the following input :

----------------
\version "2.8.6"

test = {\clef bass \key g \minor \time 4/2
d,4 bes a g d,8 g fis e fis c' bes-\parenthesize -\prall a
}

\score {
    \new Staff \test
  \layout { }
}
----------------

I get the following funny message :

----------------
programming error: minimise_least_squares ():  Nothing to minimise
continuing, cross fingers
----------------

The problem seems to come from the -\parenthesize -\prall command, and
appears several times when compiling my scores, but not every time I use
this command.

It seems also that crossing fingers is a good idea, since the result is
correct, but maybe there is a problem nevertheless...

Hope it helps.

Regards.

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Guy DURRIEU  ONERA/TIS/DTIM                tel    (33) 05.62.25.26.59
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