Re: rehearsal mark prints twice (Almost solved)

[palama]

Frédéric, Mats,

Trying to narrow down the problem to a simple example, which follows, showed 
that removing the

      \context 
      {
         \Staff
         \consists Mark_engraver
      }    

construct solves the problem.
I do not remember where does this construct came from, the file I am working on 
went through countless applications of convert-ly and this is probably the 
residue of the syntax of some previous version of Lilypond.

Is the fact that Lilypond does not complain about the use of this construct to 
be considered a bug?

Thank you very much for your help.

Ciao,

Antonio

--------------------------------------------------------------------------------

\version "2.10.10"
Foo =  
\relative c'
{
   {
   c1 c c c c c c c c c c c c
   \mark \default
   c c c c c c c c c c c c c c c
   }
}
\score 
{
   { 
   \Foo
   }
   \layout 
   {   
      \context 
      {
         \Staff
         \consists Mark_engraver
      }    
   }
}
\paper 
{
   #(set-paper-size "a4")
}
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