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Re: Quesgion about breakbefore in \header { }


From: Paul Scott
Subject: Re: Quesgion about breakbefore in \header { }
Date: Tue, 29 Mar 2011 13:27:45 -0700
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.16) Gecko/20110303 Icedove/3.0.11

On 03/29/2011 01:14 PM, James Lowe wrote:
Hello,
________________________________________
From: address@hidden address@hidden on behalf of Paul Scott address@hidden
Sent: 24 March 2011 21:19
To: address@hidden
Subject: Re: Quesgion about breakbefore in \header { }

On 03/24/2011 12:58 PM, James Lowe wrote:
Hello,

In the NR we have one reference to the option

breakbefore

which says

breakbefore
This forces the title to start on a new page (set to ##t or ##f).

i.e (I assume)

\header {
    breakbefore = ##t
}

However for the life of me I cannot get this option to do anything.

\book {
     \header {
      title = "hello"
      breakbefore = ##t  % also did ##f
    }
    \score {
      \repeat unfold 200 { a b c d }
    }
}

I've removed the book part I've added another score construct and put some more 
header info there:

\book {
     \header {
      title = "hello"
      breakbefore = ##t  % also did ##f

It works for me if I put it in a \header in the score block
    }
    \score {
      \repeat unfold 200 { a b c d }

           \header{ breakbefore = ##t }
    }
    \score {
      \repeat unfold 200 { a b c d }
    }
   \header { ...more stuff ..}
}

---

Paul thanks for that (and Eluze)..

However breakbefore still seems rather vague on what it supposed to do.

Not rigorous but the only two places I ever put \header are before any score blocks or immediately after the score block I am applying it to.

Paul


For example

\book {
   \header { title = "Hello" }
   \score {
     \repeat unfold 10 { e'' e'' e'' e'' }
     \header { breakbefore = ##t }
   }
   \score {
     \repeat unfold 10 { b' b' b' b' }
   }
}

Gives me a 'Hello" on its own and then score starts on the next page, and the 
next score on the next page. So I get 3 pages in total.

However if I move the \header { breakbefore = ##t } anywhere else from this 
specific place I get an 'unexepcted \header' error.. for instance:

\book {
   \header { title = "Hello" }
   \score {
     \header { breakbefore = ##t }
     \repeat unfold 10 { e'' e'' e'' e'' }
   }
   \score {
     \repeat unfold 10 { b' b' b' b' }
   }
}

The header is still inside the \score { } but this fails.

Also if I put it in the second \score construct like so:

\book {
   \header { title = "Hello" }
   \score {
     \repeat unfold 10 { e'' e'' e'' e'' }
   }
   \score {
     \repeat unfold 10 { b' b' b' b' }
     \header { breakbefore = ##t }
   }
}

I get the title on the page 1 with the first score and the second score on a 
new page - 2 pages instead of 3.

If I add a second 'header' making the assumption that the breakbefore will 
break the *previous* header, then this:

\book {
   \header { title = "hello" }
   \score {
     \repeat unfold 10 { e'' e'' e'' e'' }
       \header { title = "goodbye" }
   }
   \score {
     \repeat unfold 10 { b' b' b' b' }
     \header { breakbefore = ##t }
   }
}

Outputs the same as the one previous (I get no "goodbye" in my title).

If I try to move my real header inside the \score { }

\book {
   \score {
     \repeat unfold 10 { e'' e'' e'' e'' }
       \header { title = "goodbye" }
   }
   \score {
     \repeat unfold 10 { b' b' b' b' }
     \header { breakbefore = ##t }
   }
}

Then I get 2 pages but no titles at all.

So I really don't know what use this is as

1. It only allows one \header { } title to be displayed - even if you add 
different \header { } components (i.e. poet = or instrument = etc) they don't 
print.

2. You must put the \breakbefore in a *very* specific place else it does 
nothing or gives you a compilation error. You cannot just put it 'anywhere' 
inside the score and you have to put it in the 'first' and then in a place 
after the notes.

So I'm struggling to see the point of this breakbefore and wonder if anyone 
really uses it in this context.

James


--
Paul Scott
Librarian
Southern Arizona Symphony Orchestra





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